ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary
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% V* O2 x0 L2 U, vLow Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
, P7 B5 v& L8 [6 v' b  E$ u  I/O Address Decoding:
+ s& X! M. z) h- I. T' l% Y! n  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
8 W% E  ~- D. _7 q; g  Programmable 4-byte Index I/O ports to access internal registers
1 P5 @' N( p0 k" i( t3 p1 M9 X  One Programmable I/O write byte-address decoding
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X-Bus Interface (XBI)
( ~5 ^$ i$ q' u& z  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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8051 Microprocessor
/ m5 k! b" r$ k" Y; s; H  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
' g: q. t7 [9 L$ s1 B/ E- Y  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
" \( y% J# m1 W9 E' T" y  24 extended interrupt sources.
2 Y; k4 i, K1 a+ W  Two 16-bit tightly-coupled timer
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8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
8 {; `+ ]1 T7 O9 B  Each hardware command can be optionally processed by firmware
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Embedded Controller (EC)
8 i9 `' R2 o# {' ^  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)
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Analog To Digital Converter (ADC)
% T: [7 B9 m% Y& Y% w- _5 F) f( s  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
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Pulse Width Modulator (PWM)
5 k! a$ w) E  K4 f  5 built-in PWMs
; D: o9 T4 K2 `/ [( D% p7 q  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
$ u+ s6 ]/ N. V9 C( h  Configurable cycle time (up to 1 sec) and duty cycle.

! p% w9 ]2 @9 ^' J, Q. dWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
" E  ?; P4 S% C# U  8-bit watchdog timer interrupt and reset setting
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General Purpose Timer (GPT)
0 ~2 t0 t" g1 h, o3 Q/ r  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

; `" a! k0 h5 _, V+ GGeneral Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

0 b4 O9 A: c) x: |General Purpose Input/Output (GPIO)
" `2 t+ l0 |) v3 H/ g6 ]  Z  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
8 O. J( p. m9 c' T. ]! ^! H/ l  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
4 E) u9 K1 g8 @0 i8 N4 n: q% G+ p  Max. 43 GPIOs
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8 e1 F5 g+ P# T, pPower Management
  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

! H5 T) r* s  b( O! pTotal 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。