ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

% N! i: s, Y. q7 ]Low Pin Count Host Interface (LPC)
/ Y2 I/ J; }4 q$ s4 z$ p- @  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
" f% U" m9 U7 j  Programmable EC IO Port 62h/66h and 68h/6Ch
. s4 C, a8 Y. s$ V3 C! W  Programmable 4-byte Index I/O ports to access internal registers
4 O+ G" L% q) R& H1 v; q$ |4 I" s  One Programmable I/O write byte-address decoding

* A3 V" U/ {" [! JX-Bus Interface (XBI)
# [$ {" F2 N, F* A0 ]  SPI Flash support, the operation frequency runs at least 50MHz.
6 W* G. w( ?( ^* z  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

- k2 g6 g  \" x1 I6 k) z8051 Microprocessor
6 N: c: i; P7 M  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
* k" J1 K% [9 |3 e8 `% X, g) h( j  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
* z  {8 i( W( p* j, \; ~  Two 16-bit tightly-coupled timer

) i; v$ v; n4 G+ c8 L$ {2 m4 K: V: O8042 Keyboard Controller
% b$ m9 {7 z( G9 f" \  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

# [7 h( i  }- D0 e  LEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
) r  o3 h1 q  D% f" Q  6 built-in ADCs with 8-bit resolution.
' F3 t, j6 ?/ U6 ^% H' ?3 G  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
+ ?  I& F0 D2 W2 _; R  M) ~  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
6 c9 s. p9 S$ h$ l" t( i  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
! |  W" f9 T/ T5 O2 x. e/ T
8 K; }# i  E3 w% Y8 d; H( SGeneral Purpose Timer (GPT)
) M$ e: [4 P3 b# W/ a  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

# l3 c: J0 L: ~# O; B* t% EGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

( L! ^4 {1 f$ jGeneral Purpose Input/Output (GPIO)
. {+ K3 j2 W2 a6 z  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
8 {+ |7 \- b+ x9 D/ k  All GPIO pins are bi-direction, input and output.
0 ^7 W/ r) [" Q$ a6 {" d' w/ J" n  Max. 43 GPIOs
, r% q4 T: ]% n5 N) n0 H9 U% K
Power Management
" D: o! G/ D. h/ `$ G% h! ]  Sleep State: 8051 Program Counter (PC) stopped
  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。