ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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Low Pin Count Host Interface (LPC)
3 P% o' B6 v7 x7 C$ c) M  D$ w  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  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
  One Programmable I/O write byte-address decoding
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3 |/ M6 X2 x& S; O; l  \1 VX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
- `- z9 o3 ~7 B3 _9 X: g8 z  Addressable Memory range up to 24MB.
' v! U7 [6 ~7 ]# j  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
# @! L/ a' w% I, Y  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
0 N3 C$ d' W8 `  j  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
7 q6 T! Q3 @, Z/ Q& \  y& d4 |% u
  f6 X) U) S! `! c0 R  R9 v5 r8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

) J0 e2 m4 f: a9 uEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
& w$ @% ]1 M1 C% ^3 s! g& u) @- V  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
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) ^" x6 b! N: v  m: f0 sAnalog To Digital Converter (ADC)
  6 built-in ADCs with 8-bit resolution.
) ~+ o: F  L4 |. q  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse 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)
+ |* L5 }  t- a' `. M9 i( b1 w- r5 `1 n  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
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General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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) B' K5 J4 L2 G- H  o1 s" Y3 v6 kGeneral Purpose Wake-Up (GPWU)
4 O4 h: u, Z" e; F. ?8 s4 R. G0 M  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
% h5 C) ^1 F- b' e* l0 v. `) A  All I/O pins are bi-direction and configurable
7 B4 E' R1 s! p& ~  All outputs can be optionally tri-stated
' S  H4 v- G2 n+ J4 {( ?$ \  All inputs equipped with pull-up, high/low active, edge/level trigger selection
8 f8 h7 b8 a  U- V5 t  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
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Power Management
  Sleep State: 8051 Program Counter (PC) stopped
# g  O5 U  [! E) x( y+ C2 G  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。