ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
# u5 _3 p7 p7 i4 a  I/O Address Decoding:
9 K+ J5 i/ X9 R# L  KBC IO Port 60h/64h
4 H8 h! Q9 ~9 a1 R2 _6 [2 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

X-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.
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8051 Microprocessor
+ j. }' ?- R" N$ T  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
0 u* _+ n  _: b) W; I# v+ e5 V, O  Fast instruction fetching from XBI Interface
; [; S* b' T. n3 Q3 ^  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
/ ]  w+ ?' ?  ?
7 _3 j' |+ r/ K" k6 p0 m/ `8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

$ s; T% p! b* MEmbedded Controller (EC)
; T" h, r5 A8 z& H" {! G) L  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
! N5 h, z& q# s* z  L( f7 ~4 h  6 built-in ADCs with 8-bit resolution.
4 t/ n0 z1 @7 ~  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

7 V- G4 N6 p3 a7 t4 c8 MPulse Width Modulator (PWM)
  5 built-in PWMs
( k3 N; S/ S; A5 W- |+ H$ \; \) n  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
: T8 m. R% ~* j
Watchdog Timer (WDT)
) R7 P6 R1 l' A9 W( l  32.768KHz input clock with 20-bit time scale.
0 o4 w* v" `0 c. _/ _3 t6 K, [0 W  8-bit watchdog timer interrupt and reset setting

( B; A# \9 n% h0 Y$ V( b( N1 xGeneral Purpose Timer (GPT)
& k: h$ U& M5 C( b  J+ t' h  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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General Purpose Wake-Up (GPWU)
7 C& g+ q! V& Y' C! k3 P" `  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
* a3 a' ^/ C/ ]+ ~5 R6 r+ i% ]
General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
  e. r) a; K; Z6 \7 e( n. z- R  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
5 f7 A% W9 u. T1 V5 K9 f
' x7 B! n9 G6 r$ ]2 x+ {- s* UPower Management
9 Z. g# a: e# a2 G! s8 r5 `2 v  Sleep State: 8051 Program Counter (PC) stopped
/ n' _$ G% Y% g- n' D6 _/ L, ~  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。