ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

Low Pin Count Host Interface (LPC)
. p8 X$ ]2 k% ~% V* _  SIRQ supporting IRQ1, IRQ12, SCI
. S$ T  G% ], M9 J+ |# L  I/O Address Decoding:
. v7 D1 f" S, {( b5 K* g" e  KBC IO Port 60h/64h
, Z- L$ N" V  X% O7 @" k  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
, Z6 k' U4 i' Y4 `9 k- Y3 q  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
0 }4 D/ ~6 D, ~5 o: I  Addressable Memory range up to 24MB.
! _* z  _/ F5 h+ @6 q7 T6 f  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
0 _# V" [5 G* g; p7 J* K6 O4 @$ }$ _  Fast instruction fetching from XBI Interface
" \( {' ]( L& d: U  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
( V( p: f- Y! c* f5 |4 l  Two 16-bit tightly-coupled timer
5 R# K' N5 F" L0 n" y
8042 Keyboard Controller
+ u$ l0 J8 o4 G5 m2 N9 Z  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
( e  R; n# @/ Q1 }7 C  Q2 B( s- G
Embedded Controller (EC)
% C  |# _$ Q; R! o* P3 ^  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)

6 P' f$ N$ i. H4 [& YAnalog To Digital Converter (ADC)
0 H  Y( K" j+ {  b6 `0 h1 Y# i  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
$ Z: G0 n- C2 Y; B
Pulse Width Modulator (PWM)
  5 built-in PWMs
/ G) U4 W0 e( C! l5 m$ {  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
. \' j: e7 r$ J( v
Watchdog Timer (WDT)
2 h( u2 @4 v! o1 c; ^  32.768KHz input clock with 20-bit time scale.
1 r+ K$ F3 G. E  8-bit watchdog timer interrupt and reset setting

. _1 ^0 C4 Z) ~0 Q& \, ~3 MGeneral Purpose Timer (GPT)
2 e' h6 U0 \1 i$ C  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
# @8 i3 ]+ A( o% D
General Purpose Wake-Up (GPWU)
9 E* D: [5 s" j' j" t& m  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

" N) N% I& j$ d8 r% q5 |General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
  S& P7 P" v' j  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
' k( Z& p. W$ F& L* _
Power Management
  Sleep State: 8051 Program Counter (PC) stopped
9 E* h! y, X7 i; F9 [  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

& `6 ^! v9 \1 G) N1 b* {8 P1 [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。