ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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' f, X8 F: s. q: v6 ?Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
$ ]! q5 p; r: ?' Q  I/O Address Decoding:
  Y, o! V  Z& A. C. Z$ {- r  KBC IO Port 60h/64h
" z. Z8 d2 p7 m- b6 J$ N" p  Programmable EC IO Port 62h/66h and 68h/6Ch
2 O- M& a5 N* ^/ E+ O; y3 c3 Y  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
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X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
/ `! z6 q, O9 N4 T- B  Addressable Memory range up to 24MB.
$ k% {: z3 O7 X( \+ Z  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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5 U* R4 C) g/ K$ B6 y4 c+ k8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
" C% ^7 A1 H% ]8 }  Programmable 8/16/32 MHz clock
/ _: x0 a% H0 i: V; ~) `( q  Fast instruction fetching from XBI Interface
! O' N. R! @, [1 i  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

& k  a/ t6 k: e% v2 F9 V. wEmbedded Controller (EC)
* Q3 b; D- X; |' r- E  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
0 c( B$ r0 y8 v# x0 j  Support customer command by firmware
; O3 [; M3 f% L" p' h5 x  Programmable EC I/O port addressing (default 62h/66h)
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' T1 ^; m. F) y; V+ xAnalog To Digital Converter (ADC)
0 w* I+ `  b9 j9 l+ c  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

' {7 a; I) u' z) j+ S4 N" aWatchdog Timer (WDT)
  f3 o0 u" ]  J7 p" x. E  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
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! O& u* {5 d) L" z9 mGeneral Purpose Timer (GPT)
3 G5 `! r$ L8 |: Y7 Y  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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8 \3 F8 Q8 T' L6 ^1 A+ lGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
8 r( G0 j2 a% B9 S4 V0 B  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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9 Y8 Y. \# l: a, V8 c+ ?4 DPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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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。