features eroflex circuit technology C risc turboengines for the future ? scd5230 rev 1 12/22/98 block diagram n full militarized qed rm5230 microprocessor n dual issue superscalar microprocessor - can issue one integer and one floating-point instruction per cycle l 100, 133 and 150 mhz operating frequency C consult factory for latest speeds l 228 dhrystone2.1 mips l specint95 4.2 specfp95 4.5 n system interface optomized for embedded applications l 32-bit system interface lowers total system cost with up to 87.5 mhz operating frequency l high performance write protocols maximize uncached write bandwidth l operates at processor clock divisors 2 through 8 l 5v tolerant i/o's l ieee 1149.1 jtag boundary scan n integrated on-chip caches l 16kb instruction - 2 way set associative l 16kb data - 2 way set associative l virtually indexed, physically tagged l write-back and write-through on per page basis l early restart on data cache misses n integrated memory management unit l fully associative joint tlb (shared by i and d translations) l 48 dual entries map 96 pages l variable page size (4kb to 16mb in 4x increments) n high-performance floating point unit l single cycle repeat rate for common single precision operations and some double precision operations l two cycle repeat rate for double precision multiply and double precision combined multiply-add operations l single cycle repeat rate for single precision combined multiply-add operation n mips iv instruction set l floating point multiply-add instruction increases performance in signal processing and graphics applications l conditional moves to reduce branch frequency l index address modes (register + register) n embedded application enhancements l specialized dsp integer multiply-accumulate instruction and 3 operand multiply instruction l i and d cache locking by set l optional dedicated exception vector for interrupts n fully static cmos design with power down logic l standby reduced power mode with wait instruction l 2.5 watts typical with less than 70 ma standby current n 128-pin power quad-4 package (f22), consult factory for package configuration preliminary store buffer data set a data tag a dtlb physical data tag b instruction set a integer instruction register fp instruction register instruction set b address buffer instruction tag a itlb physical instruction tag b sys ad write buffer read buffer data set b dbus control floating-point register file joint tlb tag aux tag intibus floating-point coprocessor 0 unpacker/packer madd, add, sub,cvt pc incrementer branch adder dva load aligner integer register file integer/address adder data tlb virtual shifter/store aligner logic unit integer multiply, divide integer control instruction tlb virtual floating point control phase lock loop instruction select fpibus abus system/memory control program counter iva div, sqrt 32-bit superscaler microprocessor act5230
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 2 description the act5230 is a highly integrated superscalar microprocessor that implements a superset of the mips iv instruction set architecture(isa). it has a high performance 64-bit integer unit, a high throughput, fully pipelined 64-bit floating point unit, an operating system friendly memory management unit with a 48-entry fully associative tlb, a 16 kbyte 2-way set associative instruction cache, a 16 kbyte 2-way set associative data cache, and a high-performance 32-bit system interface. the act5230 can issue both an integer and a floating point instruction in the same cycle. the act5230 is ideally suited for high-end embedded control applications such as internetworking, high performance image manipulation, high speed printing, and 3-d visualization. hardware overview the act5230 offers a high-level of integration targeted at high-performance embedded applications. some of the key elements of the act5230 are briefly described below. superscalar dispatch the act5230 has an efficient asymmetric superscalar dispatch unit which allows it to issue an integer instruction and a floating-point computation instruction simultaneously. with respect to superscalar issue, integer instructions include alu, branch, load/store, and floating-point load/store, while floating-point computation instructions include floating-point add, subtract, combined multiply-add, converts, etc. in combination with its high throughput fully pipelined floating-point execution unit, the superscalar capability of the act5230 provides unparalleled price/performance in computationally intensive embedded applications. cpu registers like all mips isa processors, the act5230 cpu has a simple, clean user visible state consisting of 32 general purpose registers, two special purpose registers for integer multiplication and division, a program counter, and no condition code bits. pipeline for integer operations, loads, stores, and other non-floating-point operations, the act5230 uses the simple 5-stage pipeline also found in the qed circuits r4600, r4700, and r5000. in addition to this standard pipeline, the act5230 uses an extended seven stage pipeline for floating-point operations. like the qed r5000, the act5230 does virtual to physical translation in parallel with cache access. integer unit like the qed r5000, the act5230 implements the mips iv instruction set architecture, and is therefore fully upward compatible with applications that run on processors implementing the earlier generation mips i-iii instruction sets. additionally, the act5230 includes two implementation specific instructions not found in the baseline mips iv isa but that are useful in the embedded market place. described in detail in the qed rm5230 datasheet,, these instructions are integer multiply-accumulate and 3-operand integer multiply. the act5230 integer unit includes thirty-two general purpose 64-bit registers, a load/store architecture with single cycle alu operations (add, sub, logical, shift) and an autonomous multiply/divide unit. additional register resources include: the hi/lo result registers for the two-operand integer multiply/ divide operations, and the program counter(pc). register file the act5230 has thirty-two general purpose registers with register location 0 hard wired to zero. these registers are used for scalar integer operations and address calculation. the register file has two read ports and one write port and is fully bypassed to minimize operation latency in the pipeline. alu the act5230 alu consists of the integer adder/ subtractor, the logic unit, and the shifter. the adder performs address calculations in addition to arithmetic operations, the logic unit performs all logical and zero shift data moves, and the shifter performs shifts and store alignment operations. each of these units is optimized to perform all operations in a single processor cycle for detail information regarding the operation of the quantum effect design (qed) riscmark ? rm5230 ? , 32-bit superscalar microprocessor see the qed datasheet (revision 1.2 july 1998).
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 3 absolute maximum ratings 1 symbol rating range units t term terminal voltage with respect to gnd -0.5 2 to 4.6 v t case operating temperature 0 to +85 c t bias case temperature under bias -55 to +125 c t stg storage temperature -55 to +125 c i in dc input current 20 3 ma i out dc output current 50 ma notes: 1. stresses above those listed under "absolutemaximums rating" may cause permanent damage to the device. this is a stress rati ng only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not i mplied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2. v in minimum = -2.0v for pulse width less than 15ns. v in maximum should not exceed +5.5 volts. 3. when v in < 0v or v in > vcc. 4. no more than one output should be shorted at one time. duration of the short should not exceed more than 30 second. recommended operating conditions symbol parameter minimum maximum units v cc power supply voltage +3.135 +3.465 v v ih input high voltage 0.7v cc v cc + 0.5 v v il input low voltage -0.5 0.2v cc v t c operating temperature case (commercial) 0 +85 c dc characteristics (v cc = 3.3v 5%; t case = 0c to +85c) parameter sym conditions 133 / 150mhz units m i n max output low voltage v ol1 i ol = 20 a 0.1 v output high voltage v oh1 i ol = 20 a vcc - 0.1 v output low voltage v ol2 i ol = 4 ma 0.4 v output high voltage v oh2 i ol = 4 ma 2.4 v input high voltage v ih 0.7v cc v cc + 0.5 v input low voltage v il -0.5 0.2v cc v input current i in1 v in = 0v -20 +20 a input current i in2 v in = v cc -20 +20 a input current i in3 v in = 5.5v -250 +250 a input capacitance c in 10 pf output capacitance c out 10 pf
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 4 ac characteristics (v cc = 3.3v 5%; t case = 0c to +85c) power consumption parameter symbol conditions 133mhz, 3.3v 150mhz, 3.3v units typ 5 max typ 5 max active operating supply current i cc1 c l = 0pf, 150/75mhz, no sysad activity tbd tbd tbd tbd ma i cc2 c l = 50pf, 150/75mhz, r4000 write protocol without fpu operation 1000 1750 1150 1950 ma i cc3 c l = 50pf, 150/75mhz, write re-issue or pipelined writes 1100 2000 1250 2250 ma standby current i sb1 c l = 0pf, 150/75mhz tbd tbd ma i sb1 c l = 50pf, 150/75mhz tbd tbd ma notes: 5. typical integer instruction mix and cache miss rates. capacitive load deration symbol parameter 133 / 150mhz units minimum maximum c ld load derate 2 ns/25pf clock parameters parameter symbol test conditions 133/150mhz units m i n max sysclock high t schigh transition < 5ns 4ns sysclock low t sclow transition < 5ns 4ns sysclock frequency 6 33 75 mhz sysclock period t scp 30 ns clock jitter for sysclock t jitterin 250 ps sysclock rise time t scrise 5ns sysclock fall time t scfall 5ns modeclock period t modeckp 256 * t scp ns jta clock period t jtagckp 4 * t scp ns notes: 6. operation of the act5230 is only guaranteed with the phase loop enabled.
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 5 system interface parameters 7 parameter symbol test conditions 133mhz 150mhz units m i n max m i n max data output 8 t do mode 14...13 = 10 (fastest) tbd tbd tbd tbd ns mode 14...13 = 11 tbd tbd tbd tbd ns mode 14...13 = 00 1.0 8.0 1.0 8.0 ns mode 14...13 = 01 (slowest) tbd tbd tbd tbd ns data setup t ds t rise = 5ns 4.0 4.0 ns data hold t dh t fall = 5ns 00ns notes: 7. timmings are are measured from from 1.5v of the clock to 1.5v of the signal. 8. capacitive load for all output timing is 50pf. boot time interface parameters parameter symbol test conditions 133/150mhz units m i n max mode data setup t ds 4 sysclock cycles mode data hold t dh 0 sysclock cycles
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 6 act5230 microprocessor C pquad pinouts pin # function pin # function pin # function pin # function 1 vcc 53 nc 105 vcc 157 nc 2 nc 54 nc 106 nmi* 158 nc 3 nc 55 nc 107 extrqst* 159 nc 4 vcc 56 vcc 108 reset* 160 nc 5 vss 57 vss 109 coldreset* 161 vcc 6 sysad4 58 modein 110 vccok 162 vss 7 nc 59 rdrdy* 111 bigendian 163 sysad28 8 sysad5 60 wrrdy* 112 vcc 164 nc 9 nc 61 validin* 113 vss 165 sysad29 10 vcc 62 validout* 114 sysad16 166 nc 11 vss 63 release* 115 nc 167 vcc 12 sysad6 64 vccp 116 vcc 168 vss 13 nc 65 vssp 117 vss 169 sysad30 14 vcc 66 sysclock 118 sysad17 170 nc 15 vss 67 vcc 119 nc 171 vcc 16 sysad7 68 vss 120 sysad18 172 vss 17 nc 69 vcc 121 nc 173 sysad31 18 sysad8 70 vss 122 vcc 174 nc 19 nc 71 vcc 123 vss 175 sysadc2 20 vcc 72 vss 124 sysad19 176 sysadc6 21 vss 73 syscmd0 125 nc 177 vcc 22 sysad9 74 syscmd1 126 vcc 178 vss 23 nc 75 syscmd2 127 vss 179 sysadc3 24 vcc 76 syscmd3 128 sysad20 180 sysadc7 25 vss 77 vcc 129 nc 181 vcc 26 sysad10 78 vss 130 sysad21 182 vss 27 nc 79 syscmd4 131 nc 183 sysadc0 28 sysad11 80 syscmd5 132 vcc 184 sysadc4 29 nc 81 vcc 133 vss 185 vcc 30 vcc 82 vss 134 sysad22 186 vss 31 vss 83 syscmd6 135 nc 187 sysadc1 32 sysad12 84 syscmd7 136 vcc 188 sysadc5 33 nc 85 syscmd8 137 vss 189 sysad0 34 vcc 86 syscmdp 138 sysad23 190 nc 35 vss 87 vcc 139 nc 191 vcc 36 sysad13 88 vss 140 sysad24 192 vss 37 nc 89 vcc 141 nc 193 sysad1 38 sysad14 90 vss 142 vcc 194 nc 39 nc 91 vcc 143 vss 195 vcc 40 vcc 92 vss 144 sysad25 196 vss 41 vss 93 int0* 145 nc 197 sysad2 42 sysad15 94 int1* 146 vcc 198 nc 43 nc 95 int2* 147 vss 199 sysad3 44 vcc 96 int3* 148 sysad26 200 nc 45 vss 97 int4* 149 nc 201 vcc 46 modeclock 98 int5* 150 sysad27 202 vss 47 jtdo 99 vcc 151 nc 203 nc 48 jtdi 100 vss 152 vcc 204 nc 49 jtck 101 nc 153 vss 205 nc 50 jtms 102 nc 154 nc 206 nc 51 vcc 103 nc 155 nc 207 vcc 52 vss 104 nc 156 vss 208 vss ( p a ck a g e & p i n o u t s s u b j e c t t o c h a n g e C c o n ta c t f a c to r y )
aeroflex circuit technology scd5230 rev 1 12/22/98 plainview ny (516) 694-6700 7 sample ordering information part number screening speed (mhz) package ACT-5230PC-133F22I industrial temperature 133 128 lead pquad act-5230pc-150f22c commercial temperature 150 128 lead pquad act-5230pc-200f22t military temperature 200 128 lead pquad act-5230pc-200f22m military screening 200 128 lead pquad aeroflex circuit technology 35 south service road plainview new york 11803 telephone: (516) 694-6700 fax: (516) 694-6715 toll free inquiries: (800) 843-1553 www.aeroflex.com/act1.htm e-mail: sales-act@aeroflex.com specifications subject to change without notice. circuit technology part number breakdown actC 5230 pc C 133 f22 m aeroflex circuit technology base processor type 133 = 133mhz 150 = 150mhz 200 = 200mhz cache style package type & size c = commercial temp, 0c to +70c i = industrial temp, -40c to +85c t = military temp, -55c to +125c m = military temp, -55c to +125c, screened * q = mil-prf-38534 compliant/smd if applicable screening * screened to the individual test methods of mil-std-883 pc = primary cache maximum pipeline freq. surface mount package f22 = 1.10" sq 128 lead pquad
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