ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
1 r' e' I- {- n% L
Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
& M0 l- G  z. A. P' I7 ~  KBC IO Port 60h/64h
( N( ^" J/ l: v9 c4 u! d! b  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
, m+ I3 w+ j/ `, d: Y4 e/ A' [
, I* x( T( X0 FX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
; x; u- U  C8 H  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
0 ~8 C/ T3 B3 p. ~' g  24 extended interrupt sources.
: g5 c, ^! t2 u6 \" I& j4 U  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
0 R3 l  u! b' O1 P3 X9 \3 i  8 Standard keyboard commands processed by hardware
+ P1 Z3 s* p. v* j+ Z' f  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
$ D$ Z. S7 P7 p3 o$ ?- @  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
# F0 ?2 b8 v) C0 N: H8 [  6 built-in ADCs with 8-bit resolution.
6 T- j% ]0 \0 C  c2 T7 w  i, O" Q  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse Width Modulator (PWM)
% v" ^" _# ]9 W, K7 x3 D  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

) D6 f0 W' T  qWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
% O% ~/ t7 D8 w* I7 a7 V  8-bit watchdog timer interrupt and reset setting
  v  d9 I8 P. o8 ?1 e' R4 Z
General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

/ t  E1 Y- v, {General Purpose Wake-Up (GPWU)
: T* m5 o9 w  s4 d  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
- I8 q' P+ @+ X( d3 p
General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
+ c/ L* Q; A: O/ `- I& K, s  Max. 43 GPIOs

Power Management
  Sleep State: 8051 Program Counter (PC) stopped
2 E) {8 J' m& T8 R; Z5 l3 c  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

Total 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。