ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary
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1 l: u% s& e3 C0 M+ P% G$ u$ y& {% r8 KLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
2 A/ O3 `* B" \0 s  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
5 ~$ g' Z) L! o: N  Programmable 4-byte Index I/O ports to access internal registers
' L& w6 f, T- n$ }8 z  One Programmable I/O write byte-address decoding

! I9 a6 A8 q" `5 AX-Bus Interface (XBI)
; u: j$ f: J+ q  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
+ D4 O% P( i& \* V( I* g: q  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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' Y3 _3 m2 V, g8 _: N' b- _  B6 S8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
9 X8 }; C: Q; E- w. `' A! m$ c4 S) @  Programmable 8/16/32 MHz clock
8 Y$ ?( l9 O5 R' }, ?3 a  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
0 O- C  y' P2 C1 |& i! h. j  24 extended interrupt sources.
+ Q/ V" x/ w5 U# u  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

% u4 p6 o) ^$ {/ t& BEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
. E" F0 P3 V0 p  ACPI Specification 2.0 compliant
  Support customer command by firmware
/ |1 l  M* ?* X# m3 y2 k& v" [5 y& G  Programmable EC I/O port addressing (default 62h/66h)
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Analog To Digital Converter (ADC)
) m( a: L* F) Y( P2 l$ `  6 built-in ADCs with 8-bit resolution.
) U* t) l+ m. z, t4 X  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse Width Modulator (PWM)
  5 built-in PWMs
0 v) W. t6 i8 P; F5 {+ l  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

& U7 X8 |, F; \% J- Z; h$ q2 MWatchdog Timer (WDT)
& _9 ^; L& D  P+ W5 T  q( I  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)
4 `% h% q* [( ]3 Y$ ^  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

$ v. U0 {. I+ g4 w8 w2 ?" xGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
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General Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
: T, B# Y; G1 @  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
, ~) ]9 f1 [; D5 u  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

Power Management
  Sleep State: 8051 Program Counter (PC) stopped
1 O7 N8 Q  I; X+ r# b) Z  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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+ {2 _+ p, b6 w5 P6 XTotal 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。