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
7 }2 R$ a+ ]! _" D0 j  I/O Address Decoding:
* J4 _6 n' I, p$ o" ?1 I  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
  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
. R! K8 [8 b: \) l6 Q3 C1 ]; E0 \  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  @( V6 X: L8 e3 f7 O; |  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8 m# {# o. v8 x5 @6 ^! M8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
9 d2 X0 p% |: |8 p/ a1 i7 `' o  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
6 P3 I9 W) B+ G0 h) t9 k  Two 16-bit tightly-coupled timer

* ]1 K# S0 l5 Q0 P8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
. }6 t; p: T6 }$ [3 p" f
' J; Q3 R/ y3 E. Z# N1 \5 O/ n# d, WEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
( B/ {( l5 l1 v  ACPI Specification 2.0 compliant
  Support customer command by firmware
: d$ Z3 p( P/ Q& O. V  Programmable EC I/O port addressing (default 62h/66h)
5 |+ p* }9 u! I
Analog To Digital Converter (ADC)
- W; N) M0 f3 {$ j2 M, c  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
# L, |  t' r; d% T; ]  5 built-in PWMs
8 d( r. r* I4 F6 K3 O6 X( L  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

; L0 h. M( d5 b0 [' _# D$ PWatchdog Timer (WDT)
: E( V+ `/ T  @5 t+ E3 d6 N4 n  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
: J" i- j% [4 e  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
( g' v+ `: R; \/ I0 G  F% L- t
General Purpose Wake-Up (GPWU)
, w1 x  Q/ h& n1 T9 t# G/ ]" t  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
; E  V  R6 [3 u
General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
$ i, U; W% H% |* S  All outputs can be optionally tri-stated
% V9 x3 \: l$ c/ T& n0 ]2 M  All inputs equipped with pull-up, high/low active, edge/level trigger selection
5 [0 Q! q+ g+ M* T  All GPIO pins are bi-direction, input and output.
/ l# `5 B) g) p2 ]  Max. 43 GPIOs

Power Management
  Sleep State: 8051 Program Counter (PC) stopped
/ I: [5 ?  A' S# L4 F/ O  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

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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。