ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

- y5 f- f$ x6 t8 E. Q7 hLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
6 I; y+ v$ [$ a) W2 x, \1 @! I# ^6 A- B5 C  I/O Address Decoding:
  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
" b' }# F# {" v( `0 c  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding

! k8 }( \7 b) \6 nX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
2 T3 `0 r+ d- p2 p' ?4 p0 |# [. T  Addressable Memory range up to 24MB.
) @% d5 x; `( U  g; x- l. O# q  8051 64KB code memory can be mapped into 4 independent 16KB pages.
5 y, ^& ^; D& R  b. S2 n, j
/ U' q, N' {* K2 E8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
" \/ m5 ?% ^: N7 Y  Fast instruction fetching from XBI Interface
% [, L' a5 z6 S, l9 W3 Y  128 bytes and 2KB tightly-coupled SRAM
3 V& [6 S, C4 W  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
6 {' v7 w$ H" E. A2 o& R
9 R& Z6 }+ p3 O6 t+ @& z8042 Keyboard Controller
- B! m5 ]- U* C/ r& A  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
3 U' k2 X' x" z- a7 [
8 a0 T6 E3 G* C8 X+ xEmbedded Controller (EC)
7 t( Z# }; m2 p  Five EC Standard Commands can be processed by hardware
+ n! p  h4 P2 }  ACPI Specification 2.0 compliant
4 z8 m3 {5 i. ~  Support customer command by firmware
) P: {: J; L; c+ p  Programmable EC I/O port addressing (default 62h/66h)
0 K  K4 V$ U. j( u3 y1 i
Analog To Digital Converter (ADC)
  p1 H+ L$ k1 ]2 x' P  6 built-in ADCs with 8-bit resolution.
" t( g% [' P9 P( N- o4 \" g/ g  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
6 U7 v8 ]. d2 E5 f
Pulse Width Modulator (PWM)
* H7 k' P$ q; s: Y6 z+ j  5 built-in PWMs
  P1 f& X8 B1 y7 R# `2 m  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
, T, Y' }" v! b* S- _2 B  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
( a; s. c6 r  d2 Q* S! |7 V  32.768KHz input clock with 20-bit time scale.
3 U# k" t. c1 N: K3 D* M  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
- [% K3 ~8 h2 ?9 Y' o3 E
; b4 _0 |. [) y* WGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
% C5 g! e0 B& ]9 }7 i. |  All I/O pins are bi-direction and configurable
$ F/ R8 Z# u1 P  All outputs can be optionally tri-stated
8 \/ l) s: N( j8 R$ q5 t  All inputs equipped with pull-up, high/low active, edge/level trigger selection
+ W) c9 \' x5 G6 {# m  All GPIO pins are bi-direction, input and output.
) D* b9 N# ]$ Y0 V  Max. 43 GPIOs
: {- S8 `2 U! @0 n8 W$ {
+ h, w4 q% {! N2 F9 R8 @Power Management
0 I+ n2 I4 v0 T  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

  I+ {* Z* ~3 J2 C" {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。