ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
* S, D' T9 J7 w0 |  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
( ~  b5 C' i1 t/ G: {- f  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

& |# x6 M6 |3 E6 |5 x# tX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
# `; e5 e# d' E2 A- h  8051 64KB code memory can be mapped into 4 independent 16KB pages.

' v3 ?) R, r0 l/ k! {' t8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
# H6 `) v4 h5 ?0 s7 d+ u  Fast instruction fetching from XBI Interface
, Q2 r. T, `( m1 ^  128 bytes and 2KB tightly-coupled SRAM
; v% u3 Z* {; M* X9 L* Q7 b+ [" |- l  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
' F: x" m# Y7 ?. }3 g  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
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Embedded Controller (EC)
+ |7 ?" p+ F0 S  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
$ U7 i0 W3 Z5 i+ D9 K( R# w! S2 O  Support customer command by firmware
8 g, z# x5 g+ Q% }  Programmable EC I/O port addressing (default 62h/66h)
) }" g6 F; u! m8 b  [2 n
. L* D* x' t! G; g0 w+ w/ wAnalog To Digital Converter (ADC)
2 g  |1 L* n3 G4 x. Z) k  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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. h3 x' G( l- S: nPulse Width Modulator (PWM)
* r; \2 Z7 |+ R' z/ z: ~' H  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

1 o9 X+ f/ ^4 r, Q3 m* MWatchdog Timer (WDT)
* \+ m; E3 ]% h+ J# s: X  @  32.768KHz input clock with 20-bit time scale.
- G/ x7 M- `5 d; W' A2 X9 V0 B  8-bit watchdog timer interrupt and reset setting
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General Purpose Timer (GPT)
6 w7 D3 P0 a- e: z. P. c% f  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
: ^! D$ O% l0 }% b1 ~5 [1 E  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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  u( k" g% k  gGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  i; ~- G! y" W  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
6 U, E% G  `: h/ q! L; f/ V  All GPIO pins are bi-direction, input and output.
* T7 D% s& U- Z( d  Max. 43 GPIOs

Power Management
  Sleep State: 8051 Program Counter (PC) stopped
! C0 b# v* s8 R! U  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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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。