ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
; j$ z+ R3 \4 G! ^1 j) p1 ?  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
5 X# X7 _  r& y7 d  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
$ w: m9 s* A! ]0 o) }  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
8 F1 K6 a% v! N; W- Q4 [  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.

8051 Microprocessor
  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
$ Q. e: ?- d3 n8 F: d% k8 H& C- M& Y
8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
* L8 V4 K! @4 j* \9 a  Each hardware command can be optionally processed by firmware

8 l% k6 U8 m# E: O. [6 d- GEmbedded Controller (EC)
0 _! \, @4 A: V+ I; d5 g  Five EC Standard Commands can be processed by hardware
' `! v1 {! K4 ]: ?; `  ACPI Specification 2.0 compliant
' C6 Q9 ?# `- d5 e) X# t2 w7 x& L9 I% a6 i  Support customer command by firmware
  f( h( h  k$ a  Z4 _- D8 e  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
4 H- A% G; [* k; ?6 F- D$ s/ ?. l  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
4 ^9 k% h0 H+ @& ?9 @3 f4 j: J! j
Pulse Width Modulator (PWM)
8 G* Y/ E! j/ v  5 built-in PWMs
# [; u( a% j, o9 e( Y/ j. [  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
2 f4 i7 o* Q: s4 h. t" }; e) [
! E2 J( v$ U4 I3 lWatchdog Timer (WDT)
/ l- r1 x# L+ |6 ]  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
- E9 Y) J2 G- l" O  D1 V+ c, u
- M/ e  {: ^! D$ A% @: d. cGeneral Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
8 f5 P% j( S6 m3 {! w5 m/ i' W
General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

! ?! w+ Z3 Y, h+ [' rGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
7 o7 U1 b$ v# m% C. D. \  All inputs equipped with pull-up, high/low active, edge/level trigger selection
0 D7 I- K5 E# g5 H  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
! `# B7 j; S% k0 y$ m9 t0 U
Power Management
6 w& L% p- T+ Q% g& i- W" V0 O; h  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

. T! i  E1 k# G' K& X& ?1 tTotal 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。