ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary
0 B+ T$ k/ t) C+ V) G
Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
' L% [" x# ?- u: i4 |8 Z  KBC IO Port 60h/64h
5 W! |; H4 x/ k( O6 I4 y* _0 I  Programmable EC IO Port 62h/66h and 68h/6Ch
" Y, o2 g& Z$ S* g  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
/ ^0 _% I% }7 `1 L/ U" ~; C, T
X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
, R2 Q2 L% M5 N- N9 b8 f& F8 \6 c, R  Addressable Memory range up to 24MB.
  l7 `, O# n: }1 G  8051 64KB code memory can be mapped into 4 independent 16KB pages.

, L1 U+ C( {7 s8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
+ [- M5 l8 o0 l& B! a3 O  Programmable 8/16/32 MHz clock
) h5 |0 \4 _8 H! d$ M  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
  C8 U  w6 n# ]( o! ]
8042 Keyboard Controller
# {5 ]+ c7 P+ q- C  8 Standard keyboard commands processed by hardware
+ W- T5 e, _" \$ S, F1 o' g  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
. e& B6 Z, \- H$ b# r' `% Q8 d6 C  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
4 V9 w$ C6 n  ]4 J7 F# Z8 j  Support customer command by firmware
% m) s) m0 p8 s: f* i/ i  Programmable EC I/O port addressing (default 62h/66h)
9 Y, E+ D9 |: u2 S) P
Analog To Digital Converter (ADC)
8 H& y. M& e# G! j; K, m3 p' Z& h  6 built-in ADCs with 8-bit resolution.
' W& b$ h) i$ k& W  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
8 L3 T. w# v8 _  d  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
) o9 q) D1 E  T  P. y  Configurable cycle time (up to 1 sec) and duty cycle.
" f9 X( ]* O, k8 G1 ^$ b
Watchdog Timer (WDT)
+ d" X7 k) X$ P2 k/ T' v  32.768KHz input clock with 20-bit time scale.
2 ~2 q& ^6 Y" X% i: ?/ C& `  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
9 l2 h& y2 B; q+ k/ H3 Y2 [: r% x  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

# ?1 B. X6 F/ z( d' ^  [# jGeneral Purpose Input/Output (GPIO)
8 B" k& b+ W$ ]/ S+ Y. \  All I/O pins are bi-direction and configurable
- m0 O0 a$ m% j" \- b4 \  All outputs can be optionally tri-stated
" P, y# L6 R9 o# m3 L  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
! I) ]; B3 @" M9 V7 D7 E9 {9 i  Max. 43 GPIOs

Power Management
1 B% B: B" F: u/ F2 _5 [- P  Sleep State: 8051 Program Counter (PC) stopped
& m! f; [# c; W  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
  ?/ H$ l, L% W& E. N2 m7 L
" z( o: E+ W- W) ^7 O+ |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。