ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

0 J3 {9 p' i( [- ]% M% _Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
; w! \/ b; O0 y; B8 ?  I/O Address Decoding:
  KBC IO Port 60h/64h
2 O- ?! r! B3 Q5 J$ Q! z' h- _  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
" x3 K8 x6 ]0 `0 V" M( v) ^
8 l7 Q  S, ]. i1 W( `1 S9 U/ x( z0 ZX-Bus Interface (XBI)
8 ?2 u/ ^: W% z+ W: u# y6 u: b  SPI Flash support, the operation frequency runs at least 50MHz.
# I. s* X; L& u  T$ `& _  Addressable Memory range up to 24MB.
" A6 ^" l& s9 j, K( _  8051 64KB code memory can be mapped into 4 independent 16KB pages.
' z/ G2 N7 a2 t) m
' r' P& l" c- B/ M8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
3 u0 x8 V/ [( g$ H4 Q1 p6 v  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
) ~) {* N% }* U, E6 V  24 extended interrupt sources.
$ I# C: B) c, e7 B% n4 P  a( w( n  Two 16-bit tightly-coupled timer
! ^: F! s7 e5 A" f, F, u0 O! a
8042 Keyboard Controller
3 r5 r+ @- ?; p  8 Standard keyboard commands processed by hardware
' J- ^2 y$ O& I/ ^  j  Each hardware command can be optionally processed by firmware
8 |& F6 W2 m, p/ z8 T3 V5 v
Embedded Controller (EC)
+ a5 D# L+ J/ _- i$ @  ?( q# K  Five EC Standard Commands can be processed by hardware
( k- M" y0 ^" ^6 T- V" K, Z  ACPI Specification 2.0 compliant
  Support customer command by firmware
- A! l, m% n" g4 V, t  Programmable EC I/O port addressing (default 62h/66h)
8 X8 d* {$ X! L, o/ {
Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
+ _  u' H3 }% [, E# ^6 U2 c7 A- W" C  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
+ b  C+ E9 [3 S. W  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
8 `/ A2 A2 ?8 @0 y" A8 o/ {3 j  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

2 g6 ]& p  C9 h8 V2 o: UGeneral Purpose Wake-Up (GPWU)
6 c4 n, j; L4 U9 r5 }) [6 E; h* B  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

6 C* L1 |/ M6 U8 \7 a- K2 KGeneral Purpose Input/Output (GPIO)
8 C5 z: r6 T, ^  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
# z3 X% Q9 k& Y  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
4 H3 Z, V! ^% z( ~& Y; N% r
0 H( q' L# K6 H7 c, ?7 ~+ C1 APower Management
- J  q/ ]' V% p/ W7 {# U1 ~- j  Sleep State: 8051 Program Counter (PC) stopped
4 K' y+ R+ N  h/ @  q% {  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

% R, Y& b, C. x' YTotal 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。