ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
$ ^1 \. t4 c* |/ `% U  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
- L+ U- a2 \8 E* E! L  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
2 B/ q7 d0 m+ I+ U+ q* _' J  Programmable 4-byte Index I/O ports to access internal registers
0 K* U2 D2 t# O2 U; h% A; d7 B' _  One Programmable I/O write byte-address decoding
8 @' F, X8 J& a: ~8 C( b: K
X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
0 S9 F6 I3 Z, g  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

5 c. q3 _7 ]# ?# S- N4 |! d8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
' d/ a3 g* Y% Q/ S7 `  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer

# U7 X. R) [' |! q6 L. A$ z/ h4 B8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  ?% X( |* f( X0 r% Y* m+ J  Each hardware command can be optionally processed by firmware
: B, Y: Z" T# z$ k" R3 d4 g
Embedded Controller (EC)
" {) G1 c- o' N  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
! E, G! w- a: G  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
/ u" O- \8 k' x( u  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
' W1 p& D. \- V; A1 Q  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
) \/ `7 S+ Z  Y7 j8 G  Configurable cycle time (up to 1 sec) and duty cycle.
- I7 ?# [% B7 Q. v/ ~/ A5 N4 \+ Z
4 [& }$ T- b% @9 g# s- P! ]; F1 p5 ^Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
, a, n! F% M* u) P2 u
' Y4 o' Z9 p# }7 i6 e9 aGeneral Purpose Timer (GPT)
! e3 i2 n* q% p2 u! ]  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

1 w0 }7 O% M" J, Z+ EGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

% T' g8 Y5 M' h- q% hGeneral Purpose Input/Output (GPIO)
: @0 p  I0 \* E7 E  All I/O pins are bi-direction and configurable
. J' W4 H) H8 e" N# Y$ {0 s* u  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
5 s2 l; Z- z+ k  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

* S8 j7 k% s$ n5 qPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

  A1 Q% [& C$ H3 z* DTotal 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。