ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
. E9 g* A" u8 _. b. ~8 c  SIRQ supporting IRQ1, IRQ12, SCI
+ {, y# Z4 U9 E' i7 c0 \  I/O Address Decoding:
  KBC IO Port 60h/64h
& }+ d% K/ l+ {; H) g* l, Z  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
7 O. J( b$ s  O  One Programmable I/O write byte-address decoding
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. Q$ s6 p! I, d* X- W4 LX-Bus Interface (XBI)
  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.

! |" Y9 I7 B* r6 `  Y8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  ^4 B' C" L1 n. j  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
3 O5 A+ g" T( C- O  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
6 m0 O  E3 j* |' ^+ ~, x  N9 q% b  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
/ Z  J3 W0 o, R# W: o9 W0 k* v  8 Standard keyboard commands processed by hardware
9 n2 B8 e' f3 l; |" c1 `  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
  T2 _1 a4 ]2 S! G7 f  Five EC Standard Commands can be processed by hardware
  p" Y2 S1 ~# n1 j- H* ^% [6 A" j$ P* z  ACPI Specification 2.0 compliant
- I0 w, `( S+ d' [! c, x  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
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5 }1 F! `+ M  N- ^. q. w2 N5 H, YAnalog To Digital Converter (ADC)
# _1 \! Z5 L4 a3 D  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

7 L" _/ m" y# ZPulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
( x  m3 {; |4 T  s  Configurable cycle time (up to 1 sec) and duty cycle.
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Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
" _* C3 ?1 f. Y( E# o  8-bit watchdog timer interrupt and reset setting
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General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

  ^9 @  N6 ~# A& TGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
0 ]& P: z" g: Q! z4 K  All outputs can be optionally tri-stated
8 d) z  O) Z8 ?  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
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Power Management
  Sleep State: 8051 Program Counter (PC) stopped
  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。