ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

3 d7 C3 {6 g' a" nLow Pin Count Host Interface (LPC)
) ~8 e4 L- A: u  SIRQ supporting IRQ1, IRQ12, SCI
1 T$ K: T, b4 A( c& L0 r  I/O Address Decoding:
  KBC IO Port 60h/64h
7 ^7 N3 y, n2 j* L  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.
3 e, R  G1 C1 L! V- d  _. `  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

7 ^9 \( s" q8 b% T) @* R8051 Microprocessor
, k' E9 T/ S9 P6 q( G4 `  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
: C4 X6 b9 P1 v2 v7 U, a  Fast instruction fetching from XBI Interface
9 w8 s3 v2 c* b2 C! _. n  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
- f$ T5 |6 p8 a$ J) m! h* ?8 p
" l; ]0 O/ ]9 V) N- \* i8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
+ ?, _; Y  ?7 X9 c/ i6 u
* D( |! d  R/ [- ^% wEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
# @4 J6 }; l- C6 V: ]7 Z# ]  Support customer command by firmware
! B  G% s# ?3 ?! C2 g6 v6 G9 \  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
$ h: {1 W$ o6 b: R& b  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
" l1 M- Z8 p/ q
Pulse Width Modulator (PWM)
, _  r" L; R1 r+ e0 X' D' K2 G  5 built-in PWMs
7 W. X1 Q  Z* ]7 ]  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
! s5 I- V* `  J* b# a( f  Configurable cycle time (up to 1 sec) and duty cycle.

* ?% ?0 Y+ U% Y; T* y! `Watchdog Timer (WDT)
. @& [+ `! ~$ q' M; x. @  32.768KHz input clock with 20-bit time scale.
* t4 B0 _- I/ W* z" k; J1 E  8-bit watchdog timer interrupt and reset setting
# Z$ i/ q3 X8 e- \8 |6 z
General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
& D; ]1 C; C! p' r  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
, ^* I* Q% A1 h+ m6 g
, p7 F; E: n- J$ V" \General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
+ e; ^& S; ]( d& E  All outputs can be optionally tri-stated
1 t3 V# H( A! {  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 }& g8 v, E, _7 [8 y: @) O
* \) \+ i+ g) n! i" ]Power Management
  Sleep State: 8051 Program Counter (PC) stopped
  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。