ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
/ k6 `. |1 |* K+ N0 g, D3 _  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
. X  y* k. f$ u2 N% z  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
0 U( |/ g6 e3 b/ z, A0 c  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
4 B% K% N( n2 P8 E  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
/ W3 W( H! {8 G  L8 l0 q  8051 64KB code memory can be mapped into 4 independent 16KB pages.

% W; |# c1 H! X5 {3 s) C8051 Microprocessor
/ i5 T% P/ T0 n4 f' D. C  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

8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

3 O0 D5 c2 F0 v6 q, L( ~Embedded Controller (EC)
' o7 v! s# P, p. f- \* R, q' Y! N  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
4 E) i1 j5 ?& q2 M4 F8 d  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

Analog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
1 H7 ?, |7 V! R  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
7 g. z0 {5 j. V, H  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
' V+ @$ m% ?  `' X5 Z$ E/ B7 w" c  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
  _/ c8 r" n) J1 Y% F# y2 K7 y
5 [0 z' X/ _3 v3 ?0 m; RGeneral Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
7 j* R) J3 h, \; |7 }! A  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
4 U  E3 i1 ^; W/ E3 C" U  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.
/ v4 K, p2 u$ _. d7 N  Max. 43 GPIOs

Power Management
0 x+ o6 l# n5 \4 @$ X" K  Sleep State: 8051 Program Counter (PC) stopped
0 P( d4 r( s4 A  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

( h  g* o/ p1 M/ u  C. N$ o0 pTotal 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。