ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

" f: ^3 T; @% D: \: z8 R: ]3 _Low Pin Count Host Interface (LPC)
% g- u  k  z2 {" p/ c  SIRQ supporting IRQ1, IRQ12, SCI
6 K" E4 N/ |1 C# E  I/O Address Decoding:
  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
6 p! {/ t- t8 D9 Q2 Z' V, Y& ?  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
/ p4 S7 T, g* P; ^6 O- d  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
' e- z) P* x! f- T& z6 a: s  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
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
: y# F# t  r  `
! Y: \. C- y, Z7 K/ v8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
3 H4 x; S% {: a2 T3 d) c: R) H6 z  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
; J' g+ c1 ^2 y5 w  Support customer command by firmware
0 u2 Y- y% S1 b/ \! H/ H/ O7 k  Programmable EC I/O port addressing (default 62h/66h)

1 a6 J! d  T: O, K' P3 ^  j: FAnalog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
1 d6 p! _4 z# i' l" I/ [' h  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
0 Y0 Y( @' q  ^$ @) U1 V7 u1 f
8 r* r! F. J% P* T/ m$ VPulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
1 Q) e5 o+ S& {- C/ E9 x
) ^8 e9 x- \5 A- hGeneral 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.
6 K8 z! e! ?, ?  [0 N# B* e8 G- G
General Purpose Input/Output (GPIO)
; c; e: k8 C! p9 D5 {: h1 Q0 g  All I/O pins are bi-direction and configurable
% G0 o$ d3 c( }  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.
  Max. 43 GPIOs
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3 T. x( J$ [/ t; N* L- I+ lPower Management
) F6 {0 v, r8 @  w  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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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。