ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
$ M0 K5 E, @; F' r" w- [4 _  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
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" X, o# B8 m9 [X-Bus Interface (XBI)
% K$ U/ }2 I6 U2 \  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
4 q# P  `+ l$ r2 d( u  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
0 `0 _. _% ], d/ L" P/ B1 s$ ?# j  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
' y' U+ i4 U. e9 K+ h  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
( s) k. L% {( o  128 bytes and 2KB tightly-coupled SRAM
! R  U0 m. |, p+ o  24 extended interrupt sources.
4 k1 ^4 W) U2 A& Z  Two 16-bit tightly-coupled timer
; V7 b$ {+ s  I
8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
/ u: d5 O+ ^4 w7 O  Each hardware command can be optionally processed by firmware
; I$ `$ J' G' o6 R/ u  w
Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
9 |- z' Q: R, g  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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* b9 n9 n; V, iPulse Width Modulator (PWM)
  5 built-in PWMs
) p/ X4 s5 w2 D  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
& \: k7 m0 h4 R% L6 a  32.768KHz input clock with 20-bit time scale.
' ]1 k/ W) N+ q" ]! I$ T5 N  O' N  8-bit watchdog timer interrupt and reset setting

" o+ K* D0 ^. v. AGeneral Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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9 ^1 h' L, j# lGeneral Purpose Wake-Up (GPWU)
, _+ ~5 m2 x+ \- R0 a& ^1 y0 L  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
! S* ?9 X, K& ^) ^  All GPIO pins are bi-direction, input and output.
, f( W- N/ @4 K! m; n  Max. 43 GPIOs

3 u6 c! }% M5 R$ b: E1 M6 ePower Management
2 V( I; h$ C# d) L) D  Sleep State: 8051 Program Counter (PC) stopped
8 p4 S$ G* i+ F5 L. N; w4 m" K  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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% [( @6 N3 b5 BTotal 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。