ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

) X7 y8 Y( b6 t, r$ gLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
! ], q$ I: \+ a4 d0 v  KBC IO Port 60h/64h
/ }2 N! K2 E1 e/ q8 M* |  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
  s6 H0 l9 y  d' }  One Programmable I/O write byte-address decoding

" [6 X1 Q3 o5 k: O1 N8 E+ WX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
* a+ J: w) t/ X4 V  Addressable Memory range up to 24MB.
/ F/ c& U. k( t. O) k7 X  8051 64KB code memory can be mapped into 4 independent 16KB pages.
; y7 B8 i% j! s
8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
* Y; F* y1 h/ C8 y7 K9 f, W  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
0 B4 \' U4 O3 G2 b, |
- z. N* D! z6 N* I( K5 m8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
" t4 Q  t! g- g! w$ N
Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
: P$ {5 }+ d3 y! @3 _" n( ~  ACPI Specification 2.0 compliant
  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.
9 ~7 l2 \6 j0 R* F4 n, U  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
: R0 i0 s# I, N# M: C, [
9 _% z9 k. T( R& P$ B* K, YPulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

" Q1 T1 |3 z' p) v4 Q; N8 |Watchdog Timer (WDT)
5 }+ s0 ]( S7 f6 @, b  32.768KHz input clock with 20-bit time scale.
7 v  [( D( o. Y' Q4 `  8-bit watchdog timer interrupt and reset setting
- W, @4 d1 |% k9 Q
General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
5 l2 c1 \6 x3 I" h% @
- X" N$ @6 c1 S) M# N2 ?General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
% h  T. s- O( S! ?0 Q! h! y  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
3 X1 p/ {' Y# a  Max. 43 GPIOs
8 q9 v2 D% O0 w6 {: K3 o( {
) ?) k2 P& C# W2 D1 V0 u. [Power Management
  A, ?- w9 w4 L  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
1 `" a  _. G4 P
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。