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
0 A0 f7 b: ~' G% p* R2 i  I/O Address Decoding:
  KBC IO Port 60h/64h
# G& h5 U* G# }, u( G0 g  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
+ i( |! x0 [6 n: D# P& w  One Programmable I/O write byte-address decoding

* }' ?4 K! E' [0 i; o1 OX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
/ K2 w, F$ }5 Y; K3 g8 @  8051 64KB code memory can be mapped into 4 independent 16KB pages.
0 y& D( X2 {/ g
8051 Microprocessor
+ F: ]( |! n9 y) j; J9 q* h  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
7 p2 g0 [8 T# c  ]/ U  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
* x# J. e0 G9 \, @8 q( h  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
. J* C$ ?, t1 l& K* p, j' S5 ~: P  _  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
/ V0 V, z* D6 K8 [+ N8 u; ]  8 Standard keyboard commands processed by hardware
- O" Z: ~/ H# Q/ \& E  Each hardware command can be optionally processed by firmware
5 ~9 x. f  s( M  d1 ^0 g3 c* M1 T
  v& W, E* T6 v7 NEmbedded Controller (EC)
6 q9 e% D  K, p: J8 e  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)
9 T6 y/ f" x  i7 @: X) e  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
  5 built-in PWMs
2 I5 x: F5 H1 c2 o6 Y  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
" b0 `, o" L* u( g9 F/ B( S  Configurable cycle time (up to 1 sec) and duty cycle.
- h3 n7 D, g  s& e2 ?
Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
; f: F* H- j% s4 j/ b8 `
% O. W- m. I; ~General Purpose Wake-Up (GPWU)
  ~6 s$ ]8 R+ z( q. z- L  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
- w( s. y$ `1 Y0 i6 o
General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
4 f7 t+ R! Z1 J  All outputs can be optionally tri-stated
3 ?/ r* w5 P0 A" k0 _$ u* \  All inputs equipped with pull-up, high/low active, edge/level trigger selection
, w% P6 R3 a( }. J0 M' e9 t4 m  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

# \1 N9 N5 f% d! T5 \8 h. @Power Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

+ Z2 J5 q1 E% t( t; ?) 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。