ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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$ c( b: N9 O: x3 |' e3 }Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
9 w7 q5 P5 Q( f- J  One Programmable I/O write byte-address decoding
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X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
# |& V3 o5 W3 r& l: H* V8 p6 ~  Addressable Memory range up to 24MB.
5 g" w( y: Q9 l  [. K  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
+ S! X8 u8 ~: e$ n5 Z( D  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
4 ?5 A2 _$ l: I7 x" o  Programmable 8/16/32 MHz clock
, X+ N5 Z$ W% K0 C3 V) D% X1 Z  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
/ Q; `2 b; K# m  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
# J+ O! Z1 @; m- m( [3 P; ]  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
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Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
, @1 D. t# |4 Q0 Z, M+ x, a  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
" z$ @" N5 _9 e  V' M2 K1 g  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse Width Modulator (PWM)
# ~; ^% @  j$ S* A% k  5 built-in PWMs
2 E' e7 Y# K, n0 w; f  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
2 R7 a5 `! f; z% `2 o  Configurable cycle time (up to 1 sec) and duty cycle.
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Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

) O) ^; x1 x8 m- q; `6 f# Q+ \# wGeneral Purpose Timer (GPT)
6 P0 j$ t0 {. \0 o" w. H  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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General Purpose Wake-Up (GPWU)
+ H# p1 x5 }2 [0 g9 g( r  U  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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! |+ C' C: F1 `9 VGeneral Purpose Input/Output (GPIO)
; u/ f* S. i6 Z' r  R2 L  All I/O pins are bi-direction and configurable
0 W" s! R1 o, P- P( t! U, `; a4 |  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
% O% e$ ^' M% p0 P) W3 {  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
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# p6 j. {$ J& x, {Power Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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0 s1 t: ?9 l1 B/ _: h  ~! aTotal Pages: 40

szyxp

many thanks! 有KB3310的DATASHEET吗?

nickname

Thanks a lot

sweaker

这个SPEC还是太简单了，谁知道ENE在用SPI ROM时，prefetch的cache有多大？如果spi run over 50Mhz,我看到它的8051处理指令需要3～5个cycles，而且听说ENE用的免费的C code，那么你们在用的时候感觉perfermance怎么样？特别是处理PS2 device的时候。