ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

5 t5 e) c9 O; j+ y  K4 sLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
. e/ _& @( l; H$ d  I/O Address Decoding:
  KBC IO Port 60h/64h
0 U1 F- C2 |* h" A' c- }% n  Programmable EC IO Port 62h/66h and 68h/6Ch
# b$ N) N& i3 g8 H  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding

9 x& b7 w9 l. h  {+ \" mX-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.

8051 Microprocessor
6 `8 ?! z* j6 g( \  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
% X: C" ^; _- f. `) n  Programmable 8/16/32 MHz clock
( l" O- C% u+ R/ q  ^% N  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
* i: N  `) ~5 {, ^& Y& h, C7 K  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
7 G# a; v2 g8 W0 H1 R
9 y" ^4 `, p5 Q+ I8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
; k- @4 j* F) a. V  Each hardware command can be optionally processed by firmware
0 K$ G! I5 I& O" M* c# L' X1 ]
$ h9 N9 e7 H: Z* n6 yEmbedded Controller (EC)
0 J: d0 P/ @% }' M( y( B  Five EC Standard Commands can be processed by hardware
+ w+ o' S1 c* c  ACPI Specification 2.0 compliant
/ c7 v! @+ d9 n  Support customer command by firmware
! n, ?& T" z6 w& O  Programmable EC I/O port addressing (default 62h/66h)
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Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
$ e6 y4 \( l5 y5 p/ V( |5 g  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

4 X- P, {# |0 |2 KPulse Width Modulator (PWM)
- G6 C0 O) j3 F- S$ p, r( P  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
% w# s9 X3 A* `+ o  D- }
Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

6 b( J% d* p  ^8 rGeneral Purpose Timer (GPT)
( \. Z, m' A' V, I) M! w- F  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
5 C3 R- p9 E$ H) S1 s. [
General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
5 m" G4 f' F4 [& ~& H  All I/O pins are bi-direction and configurable
7 O* x2 C& G2 r/ ~  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
* Z, E6 S9 O! j# m8 s% w' X, m& Y7 L  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

5 u# B+ a$ J' U9 E; v8 \Power Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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- p- B/ b9 ~" H" v/ W& }1 d$ p# ?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。