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
/ |7 N" l2 C) B& m7 `  I/O Address Decoding:
6 A" r3 b. l; f  KBC IO Port 60h/64h
, m, y) ~+ \. \4 \, r/ M: `  V  Programmable EC IO Port 62h/66h and 68h/6Ch
7 h6 }+ i5 y! S9 ]. j6 N  Programmable 4-byte Index I/O ports to access internal registers
5 E! E# f- e: w  One Programmable I/O write byte-address decoding

) v9 o4 m5 W6 z! A" t0 M- f! lX-Bus Interface (XBI)
. L3 c& ?1 y' M# W) [% A  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  h- r  N! a2 m' l) V  8051 64KB code memory can be mapped into 4 independent 16KB pages.
: b; T! P% n) o' T
& E- k* H( y8 F" d& b8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
- q4 K5 ~/ G4 p# V1 s7 b! ^+ d* }4 D  Programmable 8/16/32 MHz clock
9 s4 g5 z2 \8 t, O& ?/ ?' G$ z  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
( {# t- M7 i/ }6 y5 R1 Z, B) h  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
$ m1 s& i3 `4 x2 Q+ L& Y2 f$ u  8 Standard keyboard commands processed by hardware
2 O. s. c2 V, W  Each hardware command can be optionally processed by firmware
- o3 T( r; Y: v9 e  }' v$ d( o
Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
8 \$ x& p- V% L# M  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

3 V! h% X' L* e5 b* g2 ^7 Z  O3 kAnalog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
4 L/ X# J# C  Q# q
& Q/ m+ V7 k  {+ q) UPulse Width Modulator (PWM)
  5 built-in PWMs
; p* u! H* r9 U3 N  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
: D' q' ~1 N% G2 R  Configurable cycle time (up to 1 sec) and duty cycle.

; Y  `! X% u- p' K+ gWatchdog Timer (WDT)
$ r4 }% o/ n. v% D! G' u  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
" Q7 K" w- t- h' n2 A
' n/ A! P' o5 JGeneral 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.
* H# ?- k6 [0 y* B. g2 Y  |5 G; X: K
2 H7 i: j: w: ]4 mGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
* z+ U- y! K8 {% G+ E4 p  n  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
7 |5 C% o* d$ |, `8 A6 }) |4 @" I  Max. 43 GPIOs

  y& `, _$ e. T9 xPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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" W1 Z8 N) k- Y0 t8 S% XTotal 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。