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
  I/O Address Decoding:
- B+ H/ p- t% d' _. X  KBC IO Port 60h/64h
. O# W  L. P; t, @7 b+ O: b$ _  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
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. z+ P; S7 P8 m5 [6 Q* NX-Bus Interface (XBI)
3 V  Z/ e8 O$ B" n5 p  SPI Flash support, the operation frequency runs at least 50MHz.
$ s- e% w7 ~; y& }9 q0 ?  Addressable Memory range up to 24MB.
8 \. l% l: Z% r- c9 n  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
) x& v0 h5 I1 z& J) I" F( L  Programmable 8/16/32 MHz clock
1 ~7 b/ r9 U0 e; C2 b* a8 U& p$ s# \  Fast instruction fetching from XBI Interface
6 ?# {& F5 f" Q1 b! k3 G- o- b9 y1 K# {  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
: S7 R( G/ n2 X" G  Two 16-bit tightly-coupled timer
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  m, C% L7 K: v! E* S, k8042 Keyboard Controller
8 h, W* O) j) o1 A4 m& I; p  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware
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% E7 _9 }% r+ V# g% dEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
0 x: o9 |, T* z+ \. w  ACPI Specification 2.0 compliant
  Support customer command by firmware
" ~: R, C0 D+ `5 |  N  Programmable EC I/O port addressing (default 62h/66h)
2 h  }8 A- A9 D
$ {, c  I6 g) ?3 c1 S1 HAnalog To Digital Converter (ADC)
6 j4 t7 A! j, i/ b  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
  Y1 c: B3 Q9 @5 E+ |
. _9 X. c4 q" d% q1 wPulse Width Modulator (PWM)
  5 built-in PWMs
  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

. u* k; p/ s$ y  [) L; gWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
  E# @6 z5 R" c% z3 h" a
General Purpose Timer (GPT)
( R  B* _& |1 f  ~) f4 R7 q  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
& V1 A* k- K0 B& G1 S$ w% u  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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General Purpose Input/Output (GPIO)
! \8 j# B1 q# d& r- z& j  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

: S5 P% u) E+ L& ~$ bPower Management
7 T$ @) O2 z7 x# D/ f& T  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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) f' J" d$ J* I9 s& E6 KTotal 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。