ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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/ w# ^' r3 N$ N1 a% m7 q  D4 N& qLow Pin Count Host Interface (LPC)
5 R0 C3 n, x, L! o" w" P  SIRQ supporting IRQ1, IRQ12, SCI
1 Z$ G) A$ s% b6 M# c: s  I/O Address Decoding:
  KBC IO Port 60h/64h
7 `( f( b* R/ h7 K" ?  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
) Y1 o1 J8 l* b  One Programmable I/O write byte-address decoding
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/ {) Y/ \5 e# P( \X-Bus Interface (XBI)
1 i+ ^- p; P8 q/ m( P. n* C' J" ~  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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, O6 u0 m# U( b9 J3 J2 x8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
! t4 m% U0 [& I6 N! w  Programmable 8/16/32 MHz clock
. Z! |7 D* @/ Y9 T- u  Fast instruction fetching from XBI Interface
2 a* h, V0 ^  g2 J) V  128 bytes and 2KB tightly-coupled SRAM
- v* M9 _- J* @- s3 @  24 extended interrupt sources.
9 u: P0 E, E7 A6 W; K4 j  Two 16-bit tightly-coupled timer

+ C5 |/ x9 b) |8 C8042 Keyboard Controller
  {/ h* A7 h7 k- U  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

7 c9 j. A9 Y$ K6 tEmbedded Controller (EC)
  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)
, w* s, l8 b8 h7 D* w+ t  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse 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)
8 K4 |5 o$ R) k/ {( o  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
, }8 M* |+ S7 e$ v5 L2 W- X. b  ~
1 n! ]$ O# ^  L9 O& q- U* W) f' ~General Purpose Timer (GPT)
  b: P8 y9 X6 y7 B8 U8 V/ G6 [, \  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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) r6 r! F" `6 W& }General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
% t, _7 g7 {* O  All inputs equipped with pull-up, high/low active, edge/level trigger selection
9 `6 w2 \. S! B) \- l- ~& L0 ^2 [& E  All GPIO pins are bi-direction, input and output.
  x  p1 U" m" N& C# q: }  Max. 43 GPIOs
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Power Management
; ?( \% v9 b7 _; [; y  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。