ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

# D  j/ u% J, |6 g: Z+ R4 sLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
: @( o* O3 [3 F8 E8 x$ q  I/O Address Decoding:
' k$ F! \6 p  {0 u" m! l* Y2 b  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
3 U- _7 n3 ]( p4 G2 {1 W" e  Programmable 4-byte Index I/O ports to access internal registers
# a3 M& m9 w. Z) J& z/ o; q% G  One Programmable I/O write byte-address decoding
5 {7 s3 S: g, S9 Z% H. {9 V5 R
X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  C8 @. H7 u$ e: B  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
4 F% j4 y. q; C  128 bytes and 2KB tightly-coupled SRAM
5 \% [* X1 x1 X6 i- }! V  24 extended interrupt sources.
$ [9 Y) N7 e  O  l! j  ^! P3 A  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
3 p6 \! G& |# g! n' f! E  8 Standard keyboard commands processed by hardware
# g0 \7 v2 Y0 n& d) [3 k5 U  Each hardware command can be optionally processed by firmware
3 v2 B( d: ]7 M% q) g
Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
# Q8 w2 v1 N$ E) K: v6 }. k: a3 A0 h4 s  Programmable EC I/O port addressing (default 62h/66h)
3 g- i  I# V8 R% p7 J4 x7 h$ J" ]
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).

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.
: j5 M4 P; h( B9 U8 D
7 h* Q" z0 o/ y* y. E- y6 gWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
* @+ _+ X6 \" {
General Purpose Timer (GPT)
+ j; ~- j2 {% O3 ?  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

3 k* w. y; p" |9 I4 ?General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
% i, O" ^, g3 n* `6 @( o; S
General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
( j% ^" Z9 n3 u& t# l  x4 t0 `: H/ j  All outputs can be optionally tri-stated
* J7 q1 K" ?% O  All inputs equipped with pull-up, high/low active, edge/level trigger selection
- l) b" R8 A$ Q; c4 P# O  All GPIO pins are bi-direction, input and output.
; l( o/ V" [* M; _4 Y' z& w  Max. 43 GPIOs
' S6 J$ A* x# L. T' v9 X) X
Power Management
  Sleep State: 8051 Program Counter (PC) stopped
% t, |# c! ?+ {( N" C  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

; E8 r# Q. K7 c5 r' x; gTotal 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。