? 2014 microchip technology inc. ds00001781a-page 1 product features general features - 3.3 volt operation (sio block is 5 volt toler- ant) - lpc interface - programmable wake-up event interface - pc99, pc2001 compliant - acpi 2.0 compliant - multiplexed command, address and data bus - serial irq interface compatible with serial- ized irq support for pci systems - pme interface - isa plug-and-play compatible register set - 25 general purpose input/output pins - system management interrupt ac power failure recovery watchdog timer 2.88mb super i/o floppy disk controller - licensed cmos 765b floppy disk controller - software and register compatible with microchip's proprietary 82077aa compatible core - supports one floppy drive - configurable open dr ain/push-pull output drivers - supports vertical recording format - 16-byte data fifo - 100% ibm? compatibility - detects all overrun and underrun conditions - sophisticated power control circuitry (pcc) including multiple powerdown modes for reduced power consumption - dma enable logic - data rate and drive control registers - 480 address, up to eight irq and three dma options - support 3 mode fdd enhanced digital data separator - 2 mbps, 1 mbps, 500 kbps, 300 kbps, 250 kbps data rates - programmable precompensation modes serial ports - two full function serial ports - high speed ns16c550a compatible uarts with send/receive 16-byte fifos - supports 230k and 460k baud - programmable baud rate generator - modem control circuitry - 480 address and 15 irq options infrared port - multiprotocol infrared interface - irda 1.0 compliant - sharp ask ir - 480 addresses, up to 15 irq multi-mode? parallel port with chiprotect? - standard mode ibm pc/xt?, pc/at?, and ps/2? compatible bi-directional parallel port - enhanced parallel port (epp) compatible - epp 1.7 and epp 1.9 (ieee 1284 compliant) - ieee 1284 compliant enh anced capabilities port (ecp) - chiprotect circuitry for protection - 960 address, up to 15 irq and three dma options keyboard controller - 8042 software compatible - 8 bit microcomputer - 2k bytes of program rom - 256 bytes of data ram - four open drain outputs dedicated for key- board/mouse interface - asynchronous access to two data registers and one status register - supports interrupt and polling access - 8 bit counter timer - port 92 support - fast gate a20 and kreset outputs motherboard glue logic - ide reset output - (4) buffered pci reset outputs with software controlled reset capability - default transpar- ent - 3vsb gate and 3v gate signal generation - front panel reset debouncing and power good signal generation - power supply turn on circuitry with support for power button on ps/2 keyboard - resume reset signal generation - smbus isolation circuitry (2 sets external and 1 set internal for hardware monitoring block) - smbus 2.0 compliant interface for hardware monitoring - led control (2) SCH5017 super i/o with temperature sensing, quiet auto fan and glue logic downloaded from: http:///
SCH5017 ds00001781a-page 2 ? 2014 microchip technology inc. fan control - 5 pwm (pulse width modulation) outputs - two and three piece linear fan function options. - low frequency and high frequency pwm support - 6 fan tachometer inputs - programmable automatic fan control based on temperature - interrupt pin for out-of-limit fantach events - fantach events generate pmes and/or speaker warning temperature monitor - monitoring of two remote thermal diodes - internal ambient temperature measurement - limit comparison of all monitored values - interrupt pin for out-of- limit temperature indi- cation - thermal events generate pmes and/or speaker warning - configurable offset for internal or external temperature channels. voltage monitor - monitor power supplies (5v, +5vtr, +12v, vccp, vbat, vtr, and vcc) - limit comparison of all monitored values - interrupt pin for out-of-limit voltage indication - voltage events generate pmes and/or speaker warning security features - security key register (32 byte) for device authentication 6 vid (voltage identification) inputs phoenix keyboard bios rom 128-pin, qfp rohs compliant package description the SCH5017 is a 3.3v (super i/o block is 5v tolerant) pc99/pc2001 compliant super i/o controller with an lpc interface. SCH5017 also includes hardware mon- itoring capabilities, enhanced security features, power control logic and motherboard glue logic. the SCH5017's hardware monitoring capability includes temperature, voltage and fan speed monitor- ing. it has the ability to aler t the system to out-of-limit conditions and automatically control the speeds of mul- tiple fans. there are four analog inputs for monitoring external voltages of +5v, +5vtr, +12v and vccp (core processor voltage), as well as internal monitoring of the sio's vcc, vtr, and vbat power supplies. the SCH5017 includes support for monitoring two external temperatures via thermal diode inputs and an internal sensor for measuring am bient temperature. the nhwm_int pin is implemented to indicate out-of-limit temperature, voltage, and fantach conditions. the hardware monitoring block of the SCH5017 is accessi- ble via the system management bus (smbus). the same interrupt event reported on the nhwm_int pin also creates pme wakeup events and speaker alarm annunciation. the SCH5017 also allows for a two or three piece lin- ear fan function. the motherboard glue logic includes various power management and syst em logic includ ing generation of nrsmrst, smbus buffers, and buffered pci reset out- puts. the SCH5017 incorporates complete legacy super i/o functionality including an 8042 based keyboard and mouse controller, an ieee 1284, epp, and ecp com- patible parallel port, one serial port that is 16c550a uart compatible, one irda 1.0 infrared ports, and a floppy disk controller with microchip's true cmos 765b core and enhanced digital data separator, the true cmos 765b core provides 100% compatibility with ibm pc/xt and pc/at architectures and is software and register compatible wit h microchip's proprietary 82077aa core. system related functionality, which offers flexibility to the system designer, general pur- pose i/o control functions, control of two led's, and fan control using fan tachometer inputs and pulse width modulator (pwm) outputs. the SCH5017 is acpi 1.0/2.0 compatible and there- fore supports multiple low power-down modes. it incor- porates sophisticated power control circuitry (pcc), which includes support for keyboard and mouse wake- up events. the SCH5017 supports the isa plug-and-play stan- dard register set (version 1.0a). the i/o address, dma channel and hardware irq of each logical device in the SCH5017 may be reprogrammed through the inter- nal configuration registers. there are up to 480 (960 - parallel port) i/o address location options, a serialized irq interface, and three dma channels. downloaded from: http:///
? 2014 microchip technology inc. ds00001781a-page 3 SCH5017 to our valued customers it is our intention to provide our valued customers with the bes t documentation possible to ensure successful use of your micro chip products. to this end, we will continue to improve our public ations to better suit your needs. our publications will be refined and enhanced as new volumes and updates are introduced. if you have any questions or comments regarding this publication, please contact the marketing co mmunications department via e-mail at docerrors@microchip.com . we welcome your feedback. most current data sheet to obtain the most up-to-date version of this data s heet, please register at our worldwide web site at: http://www.microchip.com you can determine the version of a data s heet by examining its literature number found on the bottom outside corner of any page . the last character of the literature number is the version number, (e.g., ds30000000a is version a of document ds30000000). errata an errata sheet, describing minor operati onal differences from the data sheet and recommended workarounds, may exist for cur- rent devices. as device/doc umentation issues become known to us, we will publish an errata s heet. the errata will specify the revision of silicon and revision of document to which it applies. to determine if an errata sheet exists for a particul ar device, please check with one of the following: microchips worldwide web site; http://www.microchip.com your local microchip sales office (see last page) when contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) yo u are using. customer notification system register on our web site at www.microchip.com to receive the most current information on all of our products. downloaded from: http:///
SCH5017 ds00001781a-page 4 ? 2014 microchip technology inc. block diagram figure 1: SCH5017 block diagram leds led2* led1* internal bus (data, address, and control lines) power mgmt io_pme_s5* io_smi* gp1[0:4]*, gp21*,gp22* gp27*, gp32*,gp33* gp36*, gp37* , gp4[0,2,3]* gp5[0:1]*, gp6[0:1]* note 1: this diagram does not show power and ground connections. note 2: signal names followed by an asterisk (*) are located on multifunction pins. this diagram is designed to show the various functions available on the chip and should not be used as a pin layout . clock gen clk32 clocki wdt 32 byte security key register ndsr1, ndtr1 ndcd1, nri1 power control and recovery ` slp_s3#, slp_s5# pwrgd_cpu , pwrgd_3v n3vsb_gat e n3v_gate nrsmrst nfprst, pb_in# pwrgd_ps nhwm_int vid0vid1 vid2 vid3 vid4 vid5 / fantach3 +5v_in +5vtr_in vccp_in +12v_in remote1- remote1+ remote2- remote2+ pwm1/xtest out pwm2 pwm3/ addr_en# fantach1 fantach2 fantach4/ addr_sel pwma*, pwmb* fantacha* fantachb* s m bu s sda sclk hardware monitor general purpose i/o io_pme_s3* vcc vtr vbat slp_s3# slp_s5# hwn_int 14.318mhz 96 mhz pci_reset# wdt* ser_irq lad[3:0] lframe# ldrq# pci_reset# pci_clk lpc bus interface serial irq smbus isola- tion switch sda1 sclk1 sda2 sclk2 proprietary 82077 compatible floppydisk controller with digital data separator & write precom- pensation nrdata, nwdata ndir, nstep nmtr0, ntrk0, inndex drvden0*, nwrtprt nwgate, nhdsel ndskchg, nds0, high-speed 16550a uart port 1 txd1*, rxd1 ncts1, nrts1* multi-mode parallel port with chiprotect tm / fdc mux (see lpc47b27x) pd[7,0] busy, slct, pe, nerror, nack nstrobe, ninit, nslctin, nalf intruder detection nintrd_in keyboard/mouse 8042 controller kclk*, kdat* mclk*, mdat* a20m* nkbdrst* pci reset outputs npcirst_out[1:4]* nide_rstdrv* speaker speaker high-speed 16550a uart port 2 txd2 (irtx)*, rxd2 (irrx)* dsr2*, dtr2* dcd2*, ri2* cts2*, rts2 * downloaded from: http:///
? 2014 microchip technology inc. ds00001781a-page 5 SCH5017 package outline figure 2: 128-pin qfp package, 14mm x 20mm x 2.7mm body, 3.2mm footprint note: for the most current package draings, see the microchip packaging specification at http://.microchip.com/packaging downloaded from: http:///
SCH5017 ds00001781a-page 6 ? 2014 microchip technology inc. appendix a: product brief revision history table a-1: revision history revision section/figure/entry correction ds00001781a (06-20-14) replaces previous smsc version rev. 0.5 (05-24-07) downloaded from: http:///
? 2014 microchip technology inc. ds00001781a-page 7 SCH5017 the microchip web site microchip provides online support via our www site at www.microchip.com . this web site is used as a means to make files and information easily available to customers. accessible by using your favorite internet browser, the web site con- tains the following information: product support C data sheets and errata, application notes and sample programs, design resources, users guides and hardware support documents, latest software releases and archived software general technical support C frequently asked questions (faq), te chnical support requests, online discussion groups, microchip consultant program member listing business of microchip C product selector and ordering guides, latest microchip press releases, listing of semi- nars and events, listings of microchip sales offi ces, distributors and factory representatives customer change notification service microchips customer notification service helps keep customers current on microc hip products. subscribers will receive e-mail notification whenever there are changes, updates, revisi ons or errata related to a specified product family or development tool of interest. to register, access the microchip web site at www.microchip.com . under support, click on customer change notifi- cation and follow the registration instructions. customer support users of microchip products can receive assistance through several channels: distributor or representative local sales office field application engineer (fae) technical support customers should contact their distributor, representative or field application engineer (fae) for support. local sales offices are also available to help customers. a listing of sales offices and locations is included in the back of this docu- ment. technical support is available through the web site at: http://www.microchip.com/support downloaded from: http:///
SCH5017 ds00001781a-page 8 ? 2014 microchip technology inc. product identification system to order or obtain information, e.g., on pricing or de livery, refer to the factory or the listed sales office . part no. (1) xxx (2) package device device: SCH5017 (1) package: nw = 128 pin qfp (2) tape and reel option: blank = tray packaging tr = tape and reel (3) examples: a) SCH5017-nw = 128-pin qfp [x] (3) tape and reel option - note 3: tape and reel identifier only appears in the catalog part number description. this identi- fier is used for ordering purposes and is not printed on the device package. check with your microchip sales office for package availability with the tape and reel option. note 2: all package options are rohs compliant. for rohs compliance and environmental information, please visit http://www.micro- chip.com/pagehandler/en-us/aboutus/ ehs.html . note 1: these products meet the halogen maximum concentration values per iec61249-2-21. - downloaded from: http:///
? 2014 microchip technology inc. ds00001781a-page 9 information contained in this publication regarding device applications and the like is provided on ly for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with yo ur specifications. microchip make s no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fi tness for purpose . microchip disclaims all liability arising from this information and its use. use of micro- chip devices in life support and/or safety applications is entirely at the buyers risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, impl icitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, dspic, flashf lex, flexpwr, jukeblox, k ee l oq , k ee l oq logo, kleer, lancheck, medialb, most, most logo, mplab, optolyzer, pic, picstart, pic 32 logo, righttouch, spynic, sst, sst logo, superflash and uni/o are registered trademarks of microchip technolog y incorporated in the u.s.a. and other countries. the embedded control solutions company and mtouch are registered tr ademarks of microchip technology incorporated in the u.s.a. analog-for-the-digital age, bodycom, chipkit, chipkit logo, codeguard, dspicdem, dspicdem.net, ecan, in-circuit serial programming, icsp, inter-chip connectivity, kleernet, kleernet logo, miwi, mpasm, mpf, mplab certified logo, mplib, mplink, multitrak, netdetach, omniscient code gener ation, picdem, picdem.net, pickit, pictail, righttouch logo, real ice, sqi, serial quad i/o, total endurance, tsharc, usbcheck, varisense, viewspan, wiperlock, wireless dna, and zena are trademarks of microchip technology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchi p technology incorporated in the u.s.a. silicon storage technology is a regi stered trademark of microchip tech nology inc. in other countries. gestic is a registered trademarks of microc hip technology germany ii gmbh & co. kg, a s ubsidiary of microchip technology inc., in other countries. all other trademarks mentioned herein are property of their respective companies. ? 2014, microchip technology incorporated, printed in the u.s.a., all rights reserved. isbn: 9781632763136 note the following details of the code protection feature on microchip devices: microchip products meet the specification cont ained in their particular microchip data sheet. microchip believes that its family of products is one of the mo st secure families of its kind on the market today, when used i n the intended manner and under normal conditions. there are dishonest and possibly illegal meth ods used to breach the code protection fe ature. all of these methods, to our knowledge, require using the microchip products in a manner outside the operating specif ications contained in microchips data sheets. most likely, the person doing so is engaged in theft of intellectual property. microchip is willing to work with the customer who is concerned about the integrity of their code. neither microchip nor any other semiconduc tor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as unbreakable. code protection is constantly evolving. we at microchip are committed to continuously improving the code protection features of our products. attempts to break microchips c ode protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your softwa re or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperi pherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified. quality management s ystem certified by dnv == iso/ts 16949 == downloaded from: http:///
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