ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
: ?1 S% h7 D* v9 N% J( B  I/O Address Decoding:
" I9 D9 D* w8 z! ~  U/ g7 W  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
* a9 ]/ Z+ Q" y- u: M  One Programmable I/O write byte-address decoding

0 X7 ]$ z/ Z' R$ \1 u: z2 IX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
& u, q' L# T& B" C" m# k( A8 y  Addressable Memory range up to 24MB.
  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
  r; n  v" j% _- K: j0 k7 c7 s  Fast instruction fetching from XBI Interface
) g! L# Y8 Y. ~( o5 C  S) T8 F  128 bytes and 2KB tightly-coupled SRAM
- R/ R5 h/ ~+ d5 ^# w' D  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer

- f" M1 t! k* N% [  H8042 Keyboard Controller
% ?; o6 k/ J$ H  F* x! I  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
6 f" Y  b  y6 b: }0 M3 h0 r* |
" }6 [3 Q" z3 j9 t' ~) aEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
# H7 O% d  L, o$ d- v. B. U  Q* C  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
; [4 @: S$ L" q; f  Y: u+ E5 g, z
Analog To Digital Converter (ADC)
1 L, y# g( t2 m2 N& c; y1 o5 W4 T  6 built-in ADCs with 8-bit resolution.
" Y) l4 p$ \: r- H3 f  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

6 Z/ X7 m9 `* G3 e0 g; ]  CPulse Width Modulator (PWM)
  5 built-in PWMs
  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.
+ m0 B; h0 u! ^  8-bit watchdog timer interrupt and reset setting
, k' ?/ k( F; K9 ?2 d# ^! g
" o8 ], Y! O0 I$ [General Purpose Timer (GPT)
2 w& _  a* c' X; y; i3 A  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

3 @  ?% s8 b1 W1 S/ W! f' FGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
& g) `. h# m6 ?# {2 w: F  All outputs can be optionally tri-stated
# K# C: p9 A4 K3 B7 ^' c- L+ T  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
" q5 E' f  N7 U  Max. 43 GPIOs

* t2 l' Z! _" g2 Y+ w% u  o4 xPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

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。