ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

. d& ?  ~% D* T) d0 y7 v; U$ ?Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
! }) c) g. w( V1 Y  Programmable EC IO Port 62h/66h and 68h/6Ch
! x0 I8 d3 h8 h  B+ x* A* S  Programmable 4-byte Index I/O ports to access internal registers
4 W% \8 f+ E% ]- x! U  One Programmable I/O write byte-address decoding

! u5 n/ w0 S. v, b; L5 LX-Bus Interface (XBI)
  Q$ {2 [! `% K9 }5 s  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
2 m( e  C+ d; ^3 M  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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  u% [+ b  j" u. C8051 Microprocessor
$ L$ C! E! N% Q9 L  U( P  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
9 R# O: W1 x9 i$ c2 _  Programmable 8/16/32 MHz clock
% J! K2 [  [0 Q5 Q7 ]  Fast instruction fetching from XBI Interface
$ b% a' F5 [0 L; b5 X- Z! g- q  128 bytes and 2KB tightly-coupled SRAM
. W- l, ]$ J2 Q/ O$ f2 v  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
4 `0 }3 m; B( Y+ v/ t& l4 c3 G  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
6 D0 |6 y3 D7 l+ |4 w  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
5 h5 E6 s) |5 V5 A: E
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).
1 ^( v8 |, v* ^5 K3 {6 h" D
, @% |0 K4 ~0 @# b. @* J$ WPulse Width Modulator (PWM)
  5 built-in PWMs
8 J; S0 H) k. A5 ?! ^& w  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
, d: S! H" \" U) G" y# a: D) d: O9 a
Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
7 a! }& z' H$ d4 [, k* U  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
, L6 h" J1 g; q0 _  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
9 o! a: L( G! |! \+ a8 v0 [& }. f
General Purpose Wake-Up (GPWU)
- N7 u) B3 c% |) v( f  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
' S3 j+ j) b0 ^) U- a6 m
General Purpose Input/Output (GPIO)
! }, {3 A8 N1 q  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
5 t; ]1 _/ u2 ~  Z( O' \/ ?4 u8 z  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
, m; U  F5 e; q0 |5 U& ~/ y  Max. 43 GPIOs

$ m2 c, `7 H) w2 d2 U. ZPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
2 f' M: F+ v/ H  B
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。