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
# U& _- t5 @; h9 }9 s  I/O Address Decoding:
  KBC IO Port 60h/64h
: T" ]; I  @% M4 \1 W. ?  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. t# {+ U& Q
X-Bus Interface (XBI)
: \2 T, Q; m3 e* G  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
$ M; z& D  r1 |8 o8 ?& T8 i  8051 64KB code memory can be mapped into 4 independent 16KB pages.

! n: G' {' ^, e% }8051 Microprocessor
6 J  O/ e3 t* g  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
8 o5 W' H: t* s5 h  \, M  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
* k5 p/ A, v& n" h7 S% x  Two 16-bit tightly-coupled timer
  n7 E9 y5 h' |  _# J% g
8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
) y) n$ Z9 T9 v. ^; O6 N, Z0 y  Each hardware command can be optionally processed by firmware
( Z! W& @1 ]1 V" C
Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
) Y9 w  ]" D8 Y& ~3 h3 `' x  Programmable EC I/O port addressing (default 62h/66h)
" ~/ k4 R& Y7 J7 W  n& `' o8 s
" j! z: p; `8 \3 |1 C, ?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).

% C( l) P0 ?7 a8 f- w( N/ gPulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
; i7 c7 d% [% |6 A1 t  Configurable cycle time (up to 1 sec) and duty cycle.
) L  U3 D/ X4 G" W) M( y5 R
$ s$ J' |8 B$ G8 R9 ~# PWatchdog Timer (WDT)
$ s% B5 f5 l" P( I  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
9 W, m4 \5 n( P$ s4 X  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
( ^7 C2 d1 |3 L; U% k# t
! [, f3 K/ \! ^! IGeneral Purpose Wake-Up (GPWU)
8 D' F) }! l$ _2 S( Y4 [. X  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
9 _) i& y7 {8 Y5 ?7 w- g1 w9 z  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
; ]+ ?! F  h0 Y. R* U  Max. 43 GPIOs

( [$ C, ?% ?) ~' UPower Management
+ G5 k8 D% `+ a$ `+ ~4 P* j1 l  Sleep State: 8051 Program Counter (PC) stopped
# o6 u6 s  |0 L5 S: i3 @9 b# P  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

. @3 l7 }" H8 c. P7 y4 |6 ?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。