ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

+ N: W" d% ]8 v( uLow Pin Count Host Interface (LPC)
( {0 D0 B0 ^; E% r# I' \  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
- T; |! |  n1 D. i  |. M  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
8 {% i; T$ a# G8 [8 h  One Programmable I/O write byte-address decoding
# e5 ?8 U' y& V1 z" M2 e
/ [( j0 g* N( ^1 `2 iX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
" }# ^- N7 v# A* d3 @; W; y8 U  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
/ v7 d8 y5 G4 M* V) w3 A  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
3 f( a( L% p, s9 j. w2 e$ P  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

Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
& T" ~, n% W4 S  ACPI Specification 2.0 compliant
  e; ~: L9 d/ f% h, \  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.
( H& z" a  s! H" z5 S0 `  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

! i$ e1 S# }9 cPulse Width Modulator (PWM)
6 i0 Y0 s# I& z5 X1 s" {8 {  5 built-in PWMs
7 j2 q: T: T- u  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
& g2 t. i* a$ |  Configurable cycle time (up to 1 sec) and duty cycle.
2 o- q0 Z" P) I4 g
Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
0 j6 F7 j4 V. Y4 \: f  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
0 H' q, ]; Z. h: n  X2 A- I4 C  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
# w9 k( V8 v) M7 P7 C  All I/O pins are bi-direction and configurable
" b: q! B8 Y% P  All outputs can be optionally tri-stated
, v% }# N, J% r9 y% ?# j  All inputs equipped with pull-up, high/low active, edge/level trigger selection
7 ]/ {1 O3 H3 o6 r) e1 W  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

2 l; T- r- K# H$ J8 V$ APower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
/ R3 `9 p5 k6 a# n2 T0 Z2 X  Z/ O
! Q& U8 c8 }1 ~( [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。