? copyright 1999 advanced micro devices, inc. all rights reserved. publication# 22459 rev: a amendment/ 0 issue date: january 1999 amd-k6 ? e high-performance, amd-k6 embedded processor distinctive characteristics n advanced 6-issue risc86 ? superscalar microarchitecture C seven parallel specialized execution units C multiple sophisticated x86-to-risc86 ? instruction decoders C advanced two-level branch prediction C speculative execution C out-of-order execution C register renaming and data forwarding C issues up to six risc86 instructions per clock n high-performance ieee 754-compatible and 854-compatible floating-point unit n high-performance industry-standard mmx? instructions n large on-chip split 64-kbyte level-one (l1) cache C 32-kbyte instruction cache with additional predecode cache C 32-kbyte writeback dual-ported data cache C mesi protocol support n 321-pin ceramic pga (socket 7 compatible) package n industry-standard system management mode (smm) n ieee 1149.1 boundary scan n x86 binary software compatibility n 0.25-micron process technology general description note: this data sheet provides information specific to the amd-k6e processor. for more information about the amd-k6e processor, see the model 7 section of the amd-k6 processor data sheet , order #20695. with the amd-k6e embedded processor, amd continues to deliver leading-edge processor solutions. based on the highly successful amd-k6 processor with 0.25-micron process technology, the amd-k6e processor delivers high performance with a low core voltage and low power dissipation. this new, embedded version of the amd-k6 processor continues to leverage todays cost-effective infrastructure to deliver a superior price/performance solution. as a member of amds e86? family of embedded x86- based processors, the amd-k6e processor extends the range of software-compatible performance allowing existing x86 designs and software to be used in high-performance products. in addition to a wide selection of inexpensive development tools, compilers, debuggers, chip sets, and pc operating systems, the amd-k6e processor is also supported by a number of real-time operating systems (rtos) such as qnx, psos, rtxc, and windows ? ce. this compatibility and support result in decreased development costs and improved time to market.
2amd-k6 ? e embedded processor data sheet supplement ordering information a amd-k6 package type a = 321-pin ceramic pin-grid array (cpga), socket 7 compatible family/core amd-k6 case temperature r = 0cC70c /266 performance rating /266 = 266 mhz /233 = 233 mhz operating voltage f = 2.1 vC2.3 v core, 3.135 vC3.6 v i/o f r processor type e = embedded processor e valid combinations valid combinations list configurations planned to be supported in volume for this device. consult the local amd sales office to confirm availability of specific valid combinations and to check on newly released combinations. valid combinations amd-k6e/266 amd-k6e/233 afr
amd-k6 ? e embedded processor data sheet supplement 3 logic diagram by interface a20m a31Ca3 ap ads adsc apchk be7 Cbe0 ahold boff breq hlda hold d/c ewbe lock m/io na scyc w/r cache ken pcd pwt wb/wt clock bus arbitration clk bf2Cbf0 tck tdi tdo tms trst brdy brdyc d63Cd0 dp7Cdp0 pchk eads hit hitm inv ferr ignne flush init intr nmi reset smi smiact stpclk jtag test data and data parity inquire cycles floating-point error handling external interrupts, smm, reset and initialization address and address parity cycle definition and control cache control amd-k6?e processor voltage detection vcc2det 1 vcc2h/l 1 notes: 1. for information about the vcc2det and vcc2h/l pins, see chapter 26, signal descriptions, in the amd-k6 processor data sheet , order #20695 .
4amd-k6 ? e embedded processor data sheet supplement architectural overview figure 1 shows the block diagram for the amd-k6e embedded processor. the sections that follow describe the fea- tures of the part. figure 1. amd-k6?e embedded processor block diagram the amd-k6?e processor the amd-k6e embedded processor is function- and pin-compatible with the industry-leading amd-k6 processor (model 7). it is an excellent choice for embedded applications that require a high- performance x86-compatible processor such as central office switches, network routers, point-of-sale terminals, information appliances, and socket 7/ windows based single-board computers. the amd-k6? processor core the amd-k6e embedded processor is based on the amd-k6 processor (model 7), and it maintains pin, function, and software compatibility. to provide industry-leading performance, the amd-k6 processor core incorporates the innovative and efficient risc86 microarchitecture, a large 64-kbyte level-one cache (32-kbyte dual-ported data cache, 32-kbyte instruction cache with predecode data), a powerful ieee 754-compatible and 854-compatible floating-point execution unit, and a high-performance multimedia execution unit for executing industry-standard mmx? instructions. these features have been combined to deliver industry leadership in 16-bit and 32-bit performance. the amd-k6 processors risc86 microarchitecture is a decoupled decode/execution superscalar design that implements state-of-the-art design techniques to achieve leading-edge performance. advanced design techniques implemented in the amd-k6 include multiple x86 instruction decode, single-clock internal risc operations, seven execution units that support superscalar operation, out-of-order execution, data forwarding, speculative execution, and register renaming. in addition, the processor supports state-of- the-art advanced branch prediction logic by implementing an 8192-entry branch history table (the industrys only branch target cache) and a return address stack, which combine to deliver an extremely high prediction rate. these design techniques enable the amd-k6 processor to issue, execute, and retire multiple x86 instructions per clock, resulting in excellent scalable performance. designed to run both 16-bit and 32-bit software, the amd-k6 processor is x86 binary-code compatible. amds extensive experience through four generations of x86 processors has been carefully integrated into the amd-k6 to provide complete compatibility with integer x (register) unit store unit integer y (register) unit floating-point unit branch (resolving) unit store queue instruction control unit scheduler buffer (24 risc86) six risc86 ? operation issue out-of-order execution engine level-one dual-port data cache (32 kbyte) 128-entry dtlb level-one instruction cache (32 kbyte + predecode) 64-entry itlb dual instruction decoders x86 to risc86 branch logic (8192-entry bht) (16-entry b tc) (16-entry ras) load unit multimedia unit predecode logic level-one cache controller socket 7 bus interface 16-byte fetch four risc86 decode
amd-k6 ? e embedded processor data sheet supplement 5 windows 3.x, windows ce, windows 95, windows 98, windows nt ? , dos, os/2, unix, solaris, netware ? , vines, and other leading x86 operating systems and applications. the amd-k6 processor is socket 7 compatible, allowing the processor to be quickly and easily integrated into a mature and cost-effective industry-standard infrastructure of motherboards, chip sets, power supplies, and thermal solutions. amd has designed, manufactured, and delivered over 50 million microsoft windows compatible processors. the amd-k6 processor is one in a long line of processors. with its combination of state-of-the-art features, industry-leading performance, high-performance multimedia engine, full x86 compatibility, and low-cost infrastructure, the amd-k6e embedded processor is an excellent choice for high-performance embedded applications and fast time to market. maximum frequency table 1 shows the maximum cpu and maximum bus frequencies for the amd-k6e processor. table 1. maximum frequency processor cpu clock max. frequency bus input clock max. frequency amd-k6?e/266 266 mhz 66 mhz amd-k6e/233 233 mhz 66 mhz
6amd-k6 ? e embedded processor data sheet supplement operating ranges the functional operation of the amd-k6e processor is designed to work within the voltage and temperature param- eters defined in table 2. absolute ratings exposure to conditions outside the operating ranges listed in table 2 for extended periods of time can affect long-term reliability. permanent damage can occur if the absolute ratings listed in table 3 are exceeded. table 2. amd-k6?e operating ranges parameter minimum typical maximum v cc2 1,2 notes: 1. v cc2 and v cc3 are referenced from v ss . 2. v cc2 specification for 2.2 v components. 2.1 v 2.2 v 2.3 v v cc3 1 3.135 v 3.3 v 3.6 v t case 0 c 70 c table 3. amd-k6?e absolute ratings parameter minimum maximum v cc2 C0.5 v 2.5 v v cc3 C0.5 v 3.6 v v pin 1 notes: 1. v pin (the voltage on any i/o pin) must not be greater than 0.5 v above the voltage being applied to v cc3 . in addition, the v pin voltage must never exceed 4.0 v. C0.5 v v cc3 + 0.5 v and 4.0 v t case (under bias) C65 c+110 c t storage C65 c +150 c
amd-k6 ? e embedded processor data sheet supplement 7 power dissipation table 4 contains the typical and maximum power dissipation of the amd-k6e processor during normal and reduced power states. table 4. amd-k6?e typical and maximum power dissipation clock control state 233 mhz 266 mhz normal (maximum thermal power) 1 notes: 1. the maximum power dissipated in the normal clock control state must be taken into account when designing a solution for thermal dissipation for the amd-k6e processor. maximum power is determined for the worst-case instruction sequence or function for the listed clock control states with v cc2 = 2.2 v and v cc3 = 3.3 v. 13.50 w 14.55 w normal (typical thermal power) 2 2. typical power is determined for the typical instruction sequences or functions associated with normal system operation with v cc2 = 2.2 v and v cc3 = 3.3 v. 8.10 w 8.75 w stop grant / halt (maximum) 3 3. the clk signal and the internal pll are still running but most internal clocking has stopped. 2.46 w 2.48 w stop clock (maximum) 4 4. the clk signal, the internal pll, and all internal clocking has stopped. 2.25 w 2.25 w
8amd-k6 ? e embedded processor data sheet supplement thermal specifications the amd-k6e processor operating specifications call for the case temperature (t c ) to be in the range of 0c to 70c for the cpga package. the ambient temperature (t a ) is not specified as long as the case temperature is not violated. the case temperature must be measured on the top center of the package. table 5 shows the thermal specifications derated, based on operating the cpu at frequencies lower than the maximum rated frequency. for more information about the amd-k6e thermal specifications, see chapter 38, thermal design in the amd-k6 processor data sheet , order #20695. for information about thermal solutions, see the amd-k6 processor thermal solution design application note , order #21085. table 5. amd-k6?e thermal power derating based on lower cpu frequencies frequency max. i cc2 (core) v cc2 = 2.2 v 100 mv 1 notes: 1. max. i cc2 specification is taken at v cc2 = 2.3 v. (the maximum power supply current must be taken into account when designing a power supply.) max. i cc3 (i/o) v cc3 = 3.3 v +300 mv, C165 mv 2 2. max. i cc3 specification is taken at v cc3 = 3.6 v. (the maximum power supply current must be taken into account when designing a power supply.) max. thermal power 3 3. the maximum power dissipated in the normal clock control state must be taken into account when designing a solution for thermal dissipation for the amd-k6e processor. maximum power is determined for the worst-case instruction sequence or function for the listed clock control states with v cc2 = 2.2 v and v cc3 = 3.3 v. typical thermal power 4 4. typical power is determined for the typical instruction sequences or functions associated with normal system operation with v cc2 = 2.2 v and v cc3 = 3.3 v. clock multiple bf2Cbf0 133 mhz 3.95 a 0.46 a 8.60 w 5.20 w 2.0x 110b 166 mhz 4.95 a 0.48 a 10.50 w 6.30 w 2.5x 100b 200 mhz 5.95 a 0.50 a 12.45 w 7.50 w 3.0x 101b 233 mhz 6.50 a 0.52 a 13.50 w 8.10 w 3.5x 111b 266 mhz 7.05 a 0.54 a 14.55 w 8.75 w 4.0x 010b
amd-k6 ? e embedded processor data sheet supplement 9 physical dimensions cgf 321, ceramic pin-grid array (cpga) .060 .090 16-038-cp-5_ac cgf321 eu160 1.13.99 lv .050 1.795 1.805 1.940 1.960 index corner (45? chamfer) 0.64 max .100 .120 .130 .017 .020 1.795 1.805 1.940 1.960 a c .005 f .030 .010 mmm m c c ab 321 x .100 .050 .115 .143 .051 .060 1.768 1.776 1.221 1.295 .060 .090 index corner (45? chamfer) b 1.221 1.295 1.768 1.776 1.940 1.960 1.221 1.295 1.768 1.776 1.940 1.960 a b lid side view of cgf pga note: all dimensions are in inches.
10 amd-k6 ? e embedded processor data sheet supplement trademarks amd, the amd logo, and combinations thereof, amd-k6, and e86 are trademarks, and risc86 is a registered trademark of advanced m icro devices, inc. mmx is a trademark of intel corporation. windows and windows nt are registered trademarks of microsoft corporation. netware is a registered trademark of novell, inc. product names used in this publication are for identification purposes only and may be trademarks of their respective companies . disclaimer the contents of this document are provided in connection with advanced micro devices, inc. ("amd") products. amd makes no repr esentations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make c hanges to speci- fications and product descriptions at any time without notice. no license, whether express, implied, arising by estoppel or oth erwise, to any in- tellectual property rights is granted by this publication. except as set forth in amd's standard terms and conditions of sale, amd assumes no liability whatsoever, and disclaims any express or implied warranty, relating to its products including, but not limited to, th e implied warranty of merchantability, fitness for a particular purpose, or infringement of any intellectual property right. amd's products are not designed, intended, authorized or warranted for use as components in systems intended for surgical impla nt into the body, or in other applications intended to support or sustain life, or in any other application in which the failure of amd's p roduct could create a situation where personal injury, death, or severe property or environmental damage may occur. amd reserves the right to discont inue or make changes to its products at any time without notice.
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