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user?s manual IE-70000-MC-NW-A in-circuit emulator document no. u16348ej1v0um00 (1st edition) date published november 2002 n cp(k) printed in japan 2002
user?s manual u16348ej1v0um 2 [memo]
user?s manual u16348ej1v0um 3 windows is either a registered trademark or a trademark of microsoft corporation in the united states and/or other countries. pc/at is a trademark of international business machines corporation. the information in this document is current as of august, 2002. the information is subject to change without notice. for actual design-in, refer to the latest publications of nec electronics data sheets or data books, etc., for the most up-to-date specifications of nec electronics products. not all products and/or types are available in every country. please check with nec electronics sales representative for availability and additional information. no part of this document may be copied or reproduced in any form or by any means without prior written consent of nec electronics. nec electronics assumes no responsibility for any errors that may appear in this document. nec electronics does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of nec electronics products listed in this document or any other liability arising from the use of such nec electronics products. no license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec electronics or others. descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software and information in the design of customer's equipment shall be done under the full responsibility of customer. nec electronics assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. while nec electronics endeavors to enhance the quality, reliability and safety of nec electronics products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. to minimize risks of damage to property or injury (including death) to persons arising from defects in nec electronics products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment and anti-failure features. nec electronics products are classified into the following three quality grades: "standard", "special" and "specific". the "specific" quality grade applies only to nec electronics products developed based on a customer- designated "quality assurance program" for a specific application. the recommended applications of nec electronics product depend on its quality grade, as indicated below. customers must check the quality grade of each nec electronics product before using it in a particular application. "standard": computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots. "special": transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support). "specific": aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. the quality grade of nec electronics products is "standard" unless otherwise expressly specified in nec electronics data sheets or data books, etc. if customers wish to use nec electronics products in applications not intended by nec electronics, they must contact nec electronics sales representative in advance to determine nec electronics's willingness to support a given application. (note) (1) "nec electronics" as used in this statement means nec electronics corporation and also includes its majority-owned subsidiaries. (2) "nec electronics products" means any product developed or manufactured by or for nec electronics (as defined above). ? ? ? ? ? ? m8e 02. 11
user ? s manual u16348ej1v0um 4 regional information ? device availability ? ordering information ? product release schedule ? availability of related technical literature ? development environment specifications (for example, specifications for third-party tools and components, host computers, power plugs, ac supply voltages, and so forth) ? network requirements in addition, trademarks, registered trademarks, export restrictions, and other legal issues may also vary from country to country. nec electronics america, inc. (u.s.) santa clara, california tel: 408-588-6000 800-366-9782 fax: 408-588-6130 800-729-9288 nec electronics hong kong ltd. hong kong tel: 2886-9318 fax: 2886-9022/9044 nec electronics hong kong ltd. seoul branch seoul, korea tel: 02-528-0303 fax: 02-528-4411 nec electronics shanghai, ltd. shanghai, p.r. china tel: 021-6841-1138 fax: 021-6841-1137 nec electronics taiwan ltd. taipei, taiwan tel: 02-2719-2377 fax: 02-2719-5951 nec electronics singapore pte. ltd. novena square, singapore tel: 6253-8311 fax: 6250-3583 j02.11 nec electronics (europe) gmbh duesseldorf, germany tel: 0211-65 03 01 fax: 0211-65 03 327 sucursal en espa ? a madrid, spain tel: 091-504 27 87 fax: 091-504 28 60 v lizy-villacoublay, france tel: 01-30-67 58 00 fax: 01-30-67 58 99 succursale fran ? aise filiale italiana milano, italy tel: 02-66 75 41 fax: 02-66 75 42 99 branch the netherlands eindhoven, the netherlands tel: 040-244 58 45 fax: 040-244 45 80 tyskland filial taeby, sweden tel: 08-63 80 820 fax: 08-63 80 388 united kingdom branch milton keynes, uk tel: 01908-691-133 fax: 01908-670-290 some information contained in this document may vary from country to country. before using any nec electronics product in your application, piease contact the nec electronics office in your country to obtain a list of authorized representatives and distributors. they will verify:
user?s manual u16348ej1v0um 5 introduction target readers this manual is intended for users who design and develop application systems using the IE-70000-MC-NW-A. it is assumed that the target readers are familiar with the functions and usage methods of the devices and have knowledge of debuggers. purpose the purpose of this manual is to describe the proper operation of the ie-70000-mc- nw-a and its basic specifications. organization this manual is divided into the following parts. overview names and functions of components cautions on designing target system how to read this manual it is assumed that the reader of this manual has general knowledge in the fields of electrical engineering, logic circuits, and microcontrollers. this manual explains the basic setup procedure and switch settings. to learn about the basic specifications and operation methods read this manual in the order of the contents . to learn the operation methods and command functions, etc., of the ie-70000-mc- nw-a read the user?s manual of the debugger (sold separately) that is used. conventions note : footnote for item marked with note in the text caution : information requiring particular attention remark : supplementary information numeral representation: binary xxxx or xxxxb decimal xxxx hexadecimal xxxxh prefix indicating the power of 2 (address space, memory capacity): k (kilo): 2 10 = 1024 m (mega): 2 20 = 1024 2 terminology the meanings of terms used in this manual are listed below. target device the device that is targeted for emulation. target system the system (user-built system) that is targeted for debugging. this includes the target program and user-configured hardware.
user?s manual u16348ej1v0um 6 related documents when using this manual, refer to the following manuals. the related documents indicated in this publication may include preliminary versions. however, preliminary versions are not marked as such. { documents related to development tools (user?s manuals) document name document number IE-70000-MC-NW-A in-circuit emulator this manual operation to be prepared c language u16054e pm plus to be prepared ca850 c compiler package ver. 2.40 assembly language u16042e id850nw integrated debugger ver.1.10 or later operation (windows tm based) u14891e caution the documents listed above are subject to change without notice. be sure to use the latest documents when designing.
user?s manual u16348ej1v0um 7 contents chapter 1 overview......................................................................................................... ................10 1.1 hardware configuration ...................................................................................................... ......................... 10 1.2 features.................................................................................................................... ..................................... 11 1.3 function specifications ..................................................................................................... .......................... 11 1.4 system configuration ........................................................................................................ .......................... 13 1.5 contents in carton .......................................................................................................... ............................. 14 chapter 2 names and functions of components ............................................................15 2.1 names and functions of components ........................................................................................... ............ 15 2.2 connection .................................................................................................................. .................................. 17 2.3 switch settings ............................................................................................................. ................................ 19 2.4 startup/termination......................................................................................................... ............................. 20 chapter 3 cautions on designing target system ...........................................................21 3.1 ie connector (target system side)........................................................................................... .................. 22 3.1.1 recommended circuit example when nb85e type.b core is used.................................................. 22 3.1.2 recommended circuit example when nb85e type.c core is used ................................................. 23 3.1.3 ie connector (target system side)......................................................................................... ............ 24 3.2 rom on target system ........................................................................................................ ........................ 26 3.2.1 rom connector............................................................................................................. .................... 26 3.2.2 rom probe setting......................................................................................................... ................... 27 3.2.3 interface circuit and cautions for rom probe .............................................................................. ... 28 appendix package drawings ................................................................................................... .....29
user?s manual u16348ej1v0um 8 list of figures figure no. title page 1-1 system configuration ........................................................................................................ ................................13 1-2 contents in carton.......................................................................................................... ...................................14 2-1 names of components ......................................................................................................... .............................15 2-2 connection to target system ................................................................................................. ...........................17 2-3 connection to rom on target system (1 rom) .................................................................................. .............18 2-4 connection to rom on target system (2 roms) ................................................................................. ............18 3-1 recommended connection circuit example (nb85e type.b) ....................................................................... ...22 3-2 recommended connection circuit example (nb85e type.c)....................................................................... ...23 3-3 pin assignment of ie connector (target system side) ......................................................................... ............25 3-4 pin assignment of rom probe (ep-16000c (sold separately) and ep-16384c (sold separately)) ................26 3-5 voltage setting of rom probe (ep-16000c (sold separately) and ep-16384c (sold separately)).................27 3-6 interface circuit outline of rom probe ...................................................................................... .......................28
user?s manual u16348ej1v0um 9 list of tables table no. title page 1-1 function specifications ..................................................................................................... ................................11 2-1 setting dip switches for rom mode........................................................................................... ......................19 3-1 pin functions of ie connector (target system side).......................................................................... ..............24
user?s manual u16348ej1v0um 10 chapter 1 overview the IE-70000-MC-NW-A is an external in-circuit emulator to be connected to a target device in which a debug control unit is mounted to efficiently debug hardware and software. 1.1 hardware configuration in-circuit emulator (IE-70000-MC-NW-A) sold separately rom probe probe for 274096 type rom (ep-16384c) rom probe probe for 278000/2716000 type rom (ep-16000c) pc interface board ie-70000-pc-if-c note ie-70000-98-if-c ie-70000-pci-if ie-70000-cd-if-a board to connect a pc and the IE-70000-MC-NW-A. it is used inserted in the expansion slot of the pc. ie-70000-pc-if-c: for ibm pc/at tm compatible isa bus ie-70000-98-if-c: for pc-9800 series c bus ie-70000-pci-if: for pci bus ie-70000-cd-if-a: for pcmcia socket power supply adapter ac adapter for nec electronics in-circuit emulator (ie-70000-mc-ps-b) note cannot be used for pc98-nx series
chapter 1 overview user ? s manual u16348ej1v0um 11 1.2 features { general-purpose usage available in v850e series products in which a debug control unit is mounted { debug control unit control interface mounted { branch pc trace via the trace packet data method (including on-chip cache execution) { data access trace via the trace packet data method { rom emulation function { the dimensions of the IE-70000-MC-NW-A are as follows. parameter value operating voltage 5 v5% current consumption 500 ma (typ.) height 26 mm width 160 mm external dimensions (refer to appendix package drawings ) depth 162 mm weight 250 g 1.3 function specifications table 1-1. function specifications (1/2) parameter specification target device device in which a debug control unit is mounted operating voltage of target device: 3.0 to 3.6 v interface clock (dck) 25 mhz number of interface signal pins 5 debug control unit interface (execution control block) functions of interface signal pins ? dck: interface clock input ? dms: interface mode select output ? ddi: interface data input ? ddo: interface data output ? drst( ? ): debug control unit reset output trace clock (trclk) 100 mhz (max.) number of trace signal pins 6 functions of trace signal pins ? trcclk: trace clock input ? trcdata[3:0]: trace data input ? trcend: trace data end point indication input trace packet data length 8 to 256 bits (in 8-bit units) trace memory capacity ? 3 mb (including 1 mb of time stamp storage memory) number of trace packet data ? approximately 200 k (min.) to 2 m (max.) ? any size between 24 and 3 mb specifiable in 24-byte units debug control unit interface (trace control block) trace start ? trace event (incorporated in debug control unit) ? trace forcible start (incorporated in debug control unit)
chapter 1 overview user ? s manual u16348ej1v0um 12 table 1-1. function specifications (2/2) parameter specification trace end ? trace memory full ? trace end status of debug control unit detected debug control unit interface (trace control block) trace mode ? 3 types <1> trace from trace event to trace end <2> trace around match event (delay trace) delay counter: any value between 0 and 32 k counts specifiable (1 count equals 24 bytes of trace memory) <3> trace termination by trace event (incorporated in debug control unit) rom emulation memory capacity 2 mb 2 banks (access time: 60 ns (min.)) supported rom ? 4 /8/16 mb rom ? 3 v/5 v ? 16-bit bus mode only ? page access supported rom emulation function rom probe ? up to 2 probes connectable (sold separately) ? 40-pin/42-pin dip package type break function incorporated in debug control unit of target device pin mask function incorporated in debug control unit of target device connector for mounting target system (recommended) ? 26-pin straight type: 8830e-026-170s (by kel corporation) ? 26-pin right-angle type: 8830e-026-170l (by kel corporation) temperature 10 to 40 c operating environment humidity 10 to 80%rh (no condensation) temperature ? 15 to +40 c storage environment humidity 10 to 80%rh (no condensation)
chapter 1 overview user ? s manual u16348ej1v0um 13 1.4 system configuration the following shows the system configuration when connecting the IE-70000-MC-NW-A. figure 1-1. system configuration <3> <1>, <2> <7> <8> <6> <4> <5> <9> <10> <11> <12> remark <1> personal computer (pc-9800 series, ibm pc/at compatible) <2> debugger (id850nw: sold separately) <3> pc interface board (ie-70000-98-if-c/ie-70000-pc-if-c, ie-70000-pci-if-a/ie-70000-cd-if-a: sold separately) <4> host interface cable (included with this product) <5> in-circuit emulator (IE-70000-MC-NW-A: this product) <6> ie connection cable (included with this product) <7> ie connector (sold separately: made by kel corporation) 8830e-026-170s: straignt 8830e-026-170l: right angle <8> target system <9> rom probe (sold separately) ep-16000c: for 278000/2716000 type rom ep-16384c: for 274096 type rom <10> power adapter (ie-70000-mc-ps-b: sold separately) <11> ac100v power cable (sold separately: included with ie-70000-mc-ps-b) <12> ac220v power cable (sold separately: included with ie-70000-mc-ps-b)
chapter 1 overview user?s manual u16348ej1v0um 14 1.5 contents in carton the carton of the IE-70000-MC-NW-A contains the following. check for any missing items. if there are missing or damaged items, please contact an nec electronics sales representative or an nec electronics distributor. return the guarantee card included in the carton after filling in all the items. figure 1-2. contents in carton <1> IE-70000-MC-NW-A <2> ie connection cable (26-pin) <3> host interface cable (36-pin) <4> users' manual (j/e) <5> guarantee card <7> cautions on use (j/e) <6> data sheet (j/e) <1> IE-70000-MC-NW-A ? 1 <2> ie connection cable ? 1 <3> host interface cable ? 1 <4> users ? manual (japanese version, english version) ? one each (this manual) <5> guarantee card ? 1 <6> data sheet (japanese version, english version) ? one each <7> cautions on use (japanese version, english version) ? one each
user?s manual u16348ej1v0um 15 chapter 2 names and functions of components this chapter describes the names and functions of components, switch settings, and connections with related devices of the IE-70000-MC-NW-A. 2.1 names and functions of components figure 2-1. names of components on rom sw host power power sw IE-70000-MC-NW-A dc5v rom2 rom1 reset 1 2 off o n o f f <3> <2> <1> <7> <8> <6> <4> <5> <9> <1> ie connector this is a connector for connecting the ie connection cable. <2> rom1 probe connector this is a connector for connecting the rom probe ep-16000c (sold separately) or ep-16384c (sold separately). when configuring a 32-bit bus using two roms, connect the rom corresponding to the lower 16 bits and this connector using the rom probe. when emulating one rom, connect the rom to this connector. <3> rom2 probe connector (42-pin dip package supported) this is a connector for connecting the rom probe ep-16000c (sold separately) or ep-16384c (sold separately). when configuring a 32-bit bus using two roms, connect the rom corresponding to the higher 16 bits and this connector using the rom probe. <4> dip switch for rom mode this is a dip switch for setting whether or not to use the rom1 probe connector and rom2 probe connector. the factory setting of the rom1 probe connector and rom2 probe connector is ? not use ? .
chapter 2 names and functions of components user ? s manual u16348ej1v0um 16 <5> reset switch this is a switch for testing the product itself. do not use this switch. when this switch is pressed during debugging, the debugger will malfunction. <6> host interface connector connect the attached host interface cable to this connector. however, when connecting the ie-70000-cd-if-a, use the cable that is supplied with the ie-70000-cd-if-a. <7> power supply jack connect the plug of the power supply adapter ie-70000-mc-ps-b (sold separately) to this jack. <8> power switch use this switch to turn on/off the power of the IE-70000-MC-NW-A. <9> power led this led is lit while the IE-70000-MC-NW-A is on.
chapter 2 names and functions of components user?s manual u16348ej1v0um 17 2.2 connection the following describes the connection between the IE-70000-MC-NW-A and related devices. (1) connection to the interface board use the host interface cable (supplied) to connect the host interface connector of the IE-70000-MC-NW-A to the ?ch0? connector note of the interface board. when connecting the interface board to the ie-70000-cd-if-a, use the cable supplied with the ie-70000-cd- if-a (sold separately). note ie-70000-pci-if-a (sold separately), ie-70000-pc-if-c (sold separately), or ie-70000-98-if-c (sold separately) (2) connection to the target system use the ie connection cable (supplied) to connect the ie connector of the IE-70000-MC-NW-A to the ie connector note on the target system. note ie connector (recommended) 8830e-026-170s (manufactured by kel corporation): 26-pin straight type 8830e-026-170l (manufactured by kel corporation): 26-pin right-angle type figure 2-2. connection to target system target system IE-70000-MC-NW-A ie connector ie connection cable (approximately 300 mm) ie connector (to be prepared by user)
chapter 2 names and functions of components user ? s manual u16348ej1v0um 18 (3) connection to the rom on the target system use the rom probe note to connect the rom1 or rom2 probe connector of the IE-70000-MC-NW-A to the rom socket on the target system and set the switch. for how to set the switch, refer to 2.3 switch settings . note ep-16000c (sold separately) or ep-16384c (sold separately) figure 2-3. connection to rom on target system (1 rom) target system IE-70000-MC-NW-A rom1 probe connector rom2 probe connector rom probe (ep-16000c (sold separately) or ep-16384c (sold separately)) (approximately 300 mm) rom socket (to be prepared by user) figure 2-4. connection to rom on target system (2 roms) target system IE-70000-MC-NW-A rom1 probe connector rom2 probe connector rom probe (ep-16000c (sold separately) or ep-16384c (sold separately) 2) (approximately 300 mm) rom socket (to be prepared by user) (4) connection to power supply adapter connect the ie-70000-mc-ps-b plug to the power supply jack of the IE-70000-MC-NW-A.
chapter 2 names and functions of components user ? s manual u16348ej1v0um 19 2.3 switch settings the following describes the switch settings of the dip switches for rom mode. set these switches when using the rom emulation function via the rom probe. table 2-1. setting dip switches for rom mode setting of dip switch for rom mode purpose sw1 sw2 status not using rom emulation function (factory setting) off off 12 to enable only rom1 probe connector on off 12 to enable rom1 probe connector and rom2 probe connector on on 12 caution the combination of sw1 off and sw2 on is prohibited. 12
chapter 2 names and functions of components user ? s manual u16348ej1v0um 20 2.4 startup/termination the following describes the procedures for startup and termination. to operate the IE-70000-MC-NW-A, a dedicated debugger is required. for details, refer to the id850nw integrated debugger ver.1.10 or later operation (windows based) user?s manual (u14891e) . (1) startup procedure <1> turn on the host machine. <2> turn on the IE-70000-MC-NW-A. <3> turn on the target system. <4> start the debugger. (2) termination procedure <1> terminate the debugger. <2> shut down the power to the target system. <3> shut down the power to the IE-70000-MC-NW-A. <4> terminate the host machine (power off).
user?s manual u16348ej1v0um 21 chapter 3 cautions on designing target system to debug the target system with the IE-70000-MC-NW-A connected, a circuit to connect the IE-70000-MC-NW-A is required on the target system. this chapter describes the circuit to connect the IE-70000-MC-NW-A and cautions.
chapter 3 cautions on designing target system user?s manual u16348ej1v0um 22 3.1 ie connector (target system side) the following shows the recommended circuit example of the target system required when connecting the ie- 70000-mc-nw-a and the pin assignment of the ie connector (on the target system side). 3.1.1 recommended circuit example when nb85e type.b core is used figure 3-1 shows the recommended circuit example of the ie connector (on the target system side). figure 3-1. recommended connection circuit example (nb85e type.b) a1 b13 a12 a13 b11 b12 b1-b10 a2 a3 a4 a5 a6 a8 a9 a7 a10 note 1 note 2 note 2 note 2 note 3 a11 trcclk v dd gnd trcdata0 trcdata1 trcdata2 trcdata3 trcend dck dms ddi ddo drst(-) dck dms ddi ddo dbint drst(-) (open) (open) (open) (open) (reserved) (reserved) (reserved) (reserved) +3.3 v external event detection device, etc. 50 k ? 4.7 k ? +3.3 v nb85e (type.b) ie connector note 4 (target system side) 22 ? notes 1. the clock pattern length must be as short as possible and shielded by gnd. the pattern length should be 100 mm or less. 2. the pattern length must be as short as possible. the pattern length should be 100 mm or less. 3. recommended 3.3 v buffer products: sn74lvc541a (manufactured by ti) or tc74lcx541f (manufactured by toshiba) 4. recommended products: 8830e-026-170s, 8830e-026-170l manufactured by kel corporation remarks 1 .v dd (pin b13) of the ie connector (on the target system side) is used to detect whether the power of the target system is on. 2. the dbint pin is optional. it is not required to be prepared as an external pin unless a debug interrupt has to be externally input.
chapter 3 cautions on designing target system user ? s manual u16348ej1v0um 23 3.1.2 recommended circuit example when nb85e type.c core is used figure 3-2 shows the recommended circuit example of the ie connector (on the target system side). figure 3-2. recommended connection circuit example (nb85e type.c) a1 b13 a12 a13 b11 b12 b1-b10 a2 a3 a4 a5 a6 trcclk v dd gnd trcdata0 trcdata1 trcdata2 trcdata3 trcend trcclk euttrg trcdata0 trcdata1 trcdata2 trcdata3 trcend (open) (open) (open) (open) (reserved) (reserved) (reserved) (reserved) +3.3 v a8 a9 a7 a10 note 1 note 2 note 2 note 2 note 1 note 2 note 2 note 2 note 2 note 2 note 3 note 3 a11 dck dms ddi ddo drst(-) dck dms ddi ddo dbint drst(-) external event detection device, etc. 50 k ? 4.7 k ? 22 ? 22 ? +3.3 v ie connector note 4 (target system side) nb85e (type.c) logic analyzer, etc. notes 1. the clock pattern length must be as short as possible and shield by gnd. the pattern length should be 100 mm or less. 2. the pattern length must be as short as possible. the pattern length should be 100 mm or less. 3. recommended 3.3 v buffer products: sn74lvc541a (made by ti) or tc74lcx541f (made by toshiba) 4. recommended products: 8830e-026-170s, 8830e-026-170l made by kel corporation remarks 1. v dd (pin b13) of the ie connector (on the target system side) is used to detect whether the power of the target system is on. 2. the dbint pin is optional. it is not required to be prepared as an external pin unless a debug interrupt has to be externally input. 3. the evttrg pin is optional. it can be mainly used as a trigger output to a measuring device such as a logic analyzer. it is not required to be prepared as an external pin unless a trigger output is required.
chapter 3 cautions on designing target system user ? s manual u16348ej1v0um 24 3.1.3 ie connector (target system side) table 3-1 and figure 3-3 show the function list and pin assignment of the ie connector (on the target system side). recommended connectors: kel corporation 8830e-026-170s: 26-pin straight type kel corporation 8830e-026-170l: 26-pin right-angle type table 3-1. pin functions of ie connector (target system side) pin no. pin name i/o description a1 trcclk o trace clock output a2 trcdata[0] o trace data 0 output a3 trcdata[1] o trace data 1 output a4 trcdata[2] o trace data 2 output a5 trcdata[3] o trace data 3 output a6 trcend o trace data end output a7 ddi i data input for debug serial interface a8 dck i clock input for debug serial interface a9 dms i transfer mode selection input for debug serial interface a10 ddo o data output for debug serial interface a11 drst(-) i debug control unit (dcu) reset input a12 (reserved) ? (leave open) a13 (reserved) ? (leave open) b1 gnd ?? b2 gnd ?? b3 gnd ?? b4 gnd ?? b5 gnd ?? b6 gnd ?? b7 gnd ?? b8 gnd ?? b9 gnd ?? b10 gnd ?? b11 (reserved) ? (leave open) b12 (reserved) ? (leave open) b13 v dd ? +3.3 v input (for monitoring target power)
chapter 3 cautions on designing target system user ? s manual u16348ej1v0um 25 figure 3-3. pin assignment of ie connector (target system side) b13 b12 b11 b3 b2 b1 (top view) a13 a12 a11 a3 a1 a2
chapter 3 cautions on designing target system user?s manual u16348ej1v0um 26 3.2 rom on target system the following describes the pin assignment of the rom probe (sold separately) and cautions when connecting the target system using the rom probe. 3.2.1 rom connector figure 3-4 shows the pin assignment of the rom probe (sold separately). the rom probe (sold separately) supports rom with two types of pin layouts. figure 3-4. pin assignment of rom probe (ep-16000c (sold separately) and ep-16384c (sold separately)) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 a19 a8 a9 a10 a11 a12 a13 a14 a15 a16 (nc) gnd 015 07 014 06 013 05 012 04 v cc 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 a18 a17 a7 a6 a5 a4 a3 a2 a1 a0 ce(-) gnd oe(-) 00 08 01 09 02 010 03 011 ep-16000c (600 mil dip) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 a19 v cc a17 a16 a15 a14 a13 a12 a11 a10 a9 gnd a8 a7 a6 a5 a4 a3 a2 a1 a0 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 a18 (nc) ce(-) 015 014 013 012 011 010 09 08 gnd 07 06 05 04 03 02 01 00 oe(-) ep-16384c (600 mil dip) remarks 1. the pin assignment of the ep-16000c (sold separately) is equivalent to that of the 27c4000/27c8000/27c16000, except for pin 32, which is an nc pin. 2. the pin assignment of the ep-16384c (sold separately) is equivalent to that of the 27c4096 for pins from 2 to 41, but pin 2 is an nc pin. note that the pin assignments of pins 1 and 42 are exclusive to the ep-16384c (sold separately).
chapter 3 cautions on designing target system user ? s manual u16348ej1v0um 27 3.2.2 rom probe setting figure 3-5 shows the jumper setting of the rom probe. the rom probe supports 3.3 v rom and 5 v rom, so set the jumper in accordance with the voltage of the rom to be mounted on the target system. figure 3-5. voltage setting of rom probe (ep-16000c (sold separately) and ep-16384c (sold separately)) 1 3 v 5 v 23 1 and 2 shorted: when the voltage of the rom on the target system is 3.3 v 2 and 3 shorted: when the voltage of the rom on the target system is 5 v (factory setting)
chapter 3 cautions on designing target system user ? s manual u16348ej1v0um 28 3.2.3 interface circuit and cautions for rom probe the interface circuit of the rom probe is shown in figure 3-6. when using the rom probe, note the cautions on designing the target system. figure 3-6. interface circuit outline of rom probe v cc a0 to a17 00-015 gnd (word/byte) ce oe ep-16000c/ep-16384c rom socket (42-pin dip) dc-dc converter jumper switch +3.3 v (to lvt244) a18, a19 50 k ? ay g lvt244 to IE-70000-MC-NW-A to IE-70000-MC-NW-A a y g lvt244 from IE-70000-MC-NW-A ay g lvt244 or gate nc cautions 1. the bus load of the target system when the rom probe is connected may be higher than that when an actual rom is connected. caution must be paid when designing the bus of the target system. it is recommended to mount a bus buffer in the rom of the target system. 2. a18 and a19 are pulled down (50 k ? ? ? ? ) inside the rom probe, so they must be nc (no connection) on the target system when they are not used on the target system. 3. when using the rom emulation function, set the size of the rom area set by the mapping command of the debugger to the same size as the size of the rom on the target system. if these settings are different, the rom emulation memory cannot be read with a correct address from the target device. 4. data cannot be written to the rom emulation memory form the target device. 5. the access time of the rom emulation memory is 60 ns. set the wait count of the target device to an appropriate value when using the rom emulation memory.
user?s manual u16348ej1v0um 29 appendix package drawings IE-70000-MC-NW-A (unit: mm) <1> <9> <8> <7> <6> <5> <4> <3> <2> 162 160 26 <1> ie connector <2> rom1 probe connector <3> rom2 probe connector <4> dip switch for rom mode <5> reset switch <6> host interface connector <7> power supply jack <8> power switch <9> power led

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