ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
5 D0 |6 U  E5 X! N$ ~" D# s3 G' k
Low Pin Count Host Interface (LPC)
& X1 v2 a# G4 b  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
0 S, }) W- }3 e- u$ M  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
% f5 n" [, R7 P6 p9 N8 q  Programmable 4-byte Index I/O ports to access internal registers
) m, f: x6 k1 c. N. v0 _/ K; A  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.
8 w7 r0 s. P  M6 a  g; }  8051 64KB code memory can be mapped into 4 independent 16KB pages.

" h6 A$ K7 p5 P  k+ P" O9 }- B8051 Microprocessor
* h  W8 \! f9 h, _" ]! l) _  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer

. k5 G) s+ v3 V& b. b9 k0 t  Y8 y8042 Keyboard Controller
1 \) N5 ~% ?# m3 I  8 Standard keyboard commands processed by hardware
6 R! _3 Y+ n& [9 ]  Each hardware command can be optionally processed by firmware
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Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
7 G1 c& g6 }0 [" I, h9 E! p  Support customer command by firmware
5 Y. m3 C) V" _  Programmable EC I/O port addressing (default 62h/66h)

5 j  E! H/ \$ M; z8 LAnalog To Digital Converter (ADC)
5 u" u7 |1 S" F! P6 {  6 built-in ADCs with 8-bit resolution.
6 ^5 M5 K9 P$ C" w" i7 h  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

  x+ f: F# f; x  IPulse Width Modulator (PWM)
( z1 F8 O4 z$ h0 A  B# y, x  5 built-in PWMs
! Y! e; b+ o' @5 t" C6 n  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  Y: e( n/ L; R; o% K' m  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
$ Y& P! [* i1 ?, s! `* f" j  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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General Purpose Wake-Up (GPWU)
  H& S+ {0 `$ @) i1 D  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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& h7 O9 z9 h. s( rGeneral Purpose Input/Output (GPIO)
  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.
  Max. 43 GPIOs
4 D2 W8 ^6 o. |( B1 c9 k1 _
' u3 H: H' {6 |4 ?9 NPower 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。