ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
% |' s! M6 I. x$ o* a  SIRQ supporting IRQ1, IRQ12, SCI
; |6 t6 ^* c  X& S3 G  I/O Address Decoding:
. D2 q& l; E! ]6 y# a# g  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
; I3 z& `& r* g4 t  One Programmable I/O write byte-address decoding
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$ _( {) n9 Z3 `X-Bus Interface (XBI)
- P! B9 `1 d* w' Q% i9 \# G  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
7 a! [6 s+ m' r# F& G  [, |  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
3 ]+ t+ J5 E/ _  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
3 \7 |% M4 E, C1 S6 E! J; S. m" L  24 extended interrupt sources.
% M; G/ f; v) \! c8 |( [5 t  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
" A% |3 ?: ^4 x% C- ^: {: D  Each hardware command can be optionally processed by firmware
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; a2 \. j* W' REmbedded Controller (EC)
0 P6 S; j9 Z' L5 \- S  Five EC Standard Commands can be processed by hardware
: v, L  M* Q! b  ACPI Specification 2.0 compliant
( A2 h! s8 G2 d5 K8 _; z  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
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Analog To Digital Converter (ADC)
0 s- w4 @' ^# o  V( R5 R  6 built-in ADCs with 8-bit resolution.
: C1 X9 X3 s# }% ^  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
& B9 E- L4 f  i: C  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

" [+ c- W3 I" y$ o# `Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
( |' @7 }% R5 G1 {) `  8-bit watchdog timer interrupt and reset setting
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General Purpose Timer (GPT)
; s  M; q" h' D0 X0 P2 i7 E1 J) f  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
# o) O. _6 B4 r3 F  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

1 h8 F$ d) Q* M/ v' y* o4 EGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
/ R' _! _" W3 j1 ?# E" z0 m  All outputs can be optionally tri-stated
. P! h  w5 j1 q) g- n* u$ v  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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8 _# ^3 Q& b, e5 Q. W1 ]. b- l$ mPower Management
$ x- H: x) L0 W9 _1 r* i4 l  E7 M) h  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

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。