ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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, b- Y  }& l  W/ C! s7 K: X' D  HLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
5 t# v$ Y# B% h( [! p0 l& D( E  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

X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
5 g' i3 [# @: m1 X- Q  Addressable Memory range up to 24MB.
% R" \. N, s5 H7 x  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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1 |. ~1 P2 b& n+ l0 x( V! s8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
! _/ M: k2 w% ~( h5 Q  Programmable 8/16/32 MHz clock
9 K) T1 D' N) ?/ {  J. \  Fast instruction fetching from XBI Interface
$ |  r& ~1 N8 \( @* `  128 bytes and 2KB tightly-coupled SRAM
' ?( g6 ~: Q& S. T  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
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9 @) E5 h+ x% N3 y# f8 q% b+ E, ]8042 Keyboard Controller
! m9 W- Z) W3 {8 w0 f* T# [  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

# ?% U' |. x! M5 M- HEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
' k( U: c& |3 v$ i8 X5 Q  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

- D% r( j- g1 r2 Q% \0 JAnalog To Digital Converter (ADC)
( y5 [  Q$ G+ ]& E5 P  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

) _: T+ U% q$ O) m& [Pulse Width Modulator (PWM)
! c' d0 N8 B: h! m' i+ I$ m% J  5 built-in PWMs
0 D9 C3 A2 _& W; T+ Y: l5 j6 ^  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  ^+ z( O4 i( ^; j5 v1 x" `( [  Configurable cycle time (up to 1 sec) and duty cycle.

% g9 [) y* t/ {+ ]1 ~* D- h( p  oWatchdog Timer (WDT)
8 S2 j  H' ~5 ^+ d( y  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

General Purpose Timer (GPT)
4 ]5 G$ m3 I9 e' ?4 V$ c8 f9 l2 L  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

! ?, J9 r$ B) m  n/ S6 S3 DGeneral 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
3 e0 i& A: Y7 ^$ `/ W  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
% g( t& ?. V. g, K+ G( G, I  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
5 i- z! h' ?& C* M, M) s5 T  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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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。