ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
( V( y* K! f' P0 g6 e  I/O Address Decoding:
  KBC IO Port 60h/64h
1 C1 T, Y+ S+ I6 a& {) j  Programmable EC IO Port 62h/66h and 68h/6Ch
% m3 k4 y3 h  F' h  Programmable 4-byte Index I/O ports to access internal registers
( G: D) X9 g4 W- A/ ?# ~  R% b  o  One Programmable I/O write byte-address decoding

( J: I' T9 {5 iX-Bus Interface (XBI)
2 i$ J9 l# F$ t1 ]% C6 f5 O4 P  @  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.
/ b$ J! z& Z4 |" @% g
8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
! D' Z$ N' V+ Y" v' A  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  ~/ ?' ~& ?6 L+ j. [7 f1 m% D  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

9 A$ d: p" q* n% c- tEmbedded Controller (EC)
. L; O- C( K4 q6 T  Five EC Standard Commands can be processed by hardware
7 {& l/ t# A1 H3 n8 ^: c  ACPI Specification 2.0 compliant
  Support customer command by firmware
/ |; S, [6 [8 S8 v  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
; ?7 n  z5 [. k1 y  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
  `5 O/ h. o. X
- w9 M$ ^- {% T- a$ p. BPulse Width Modulator (PWM)
' b+ [! g6 A( M4 b, Y0 v- y# J/ |  5 built-in PWMs
& X( Y+ C) a% X2 Y  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
" r' P& V. G) F) Z  Configurable cycle time (up to 1 sec) and duty cycle.
) |+ z5 p/ ^& N
% F2 _' {- f, CWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
* |/ ]. a1 I( n$ [, a  8-bit watchdog timer interrupt and reset setting
$ \% D5 Y! v# E7 \# x
General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
9 w+ K/ V* y5 C) x) ~
* I2 p. t* o7 YGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
6 y4 T2 Z% `: v5 |% V6 B$ ~  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

Power Management
$ H6 P9 J# G* f3 ?  Sleep State: 8051 Program Counter (PC) stopped
6 R, @7 s7 i+ x! i5 G) [# T# L  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
& ^2 c& a) M+ T  j0 @3 n
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。