ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

' `, r4 S& U6 d# r; }Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
+ l; d( R* ]" T9 l# s; w/ U  I/O Address Decoding:
7 |# R5 ?; k' R  KBC IO Port 60h/64h
$ P9 T7 ]) M; ^& o& `: s  l; b& C  T  Programmable EC IO Port 62h/66h and 68h/6Ch
/ q0 _$ b. R3 T. d! Y  Programmable 4-byte Index I/O ports to access internal registers
: e3 f& v$ A9 T  One Programmable I/O write byte-address decoding
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! |* x7 P8 k" ~/ [: F8 _" wX-Bus Interface (XBI)
# t) G/ [6 m8 l. C  SPI Flash support, the operation frequency runs at least 50MHz.
/ P; H1 r2 n. z, A8 Z6 V( W  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
0 o  c* w+ R6 E2 I$ T  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
/ [1 B! C' M- s5 @  Programmable 8/16/32 MHz clock
. W# Y: K1 ~3 j, `  Fast instruction fetching from XBI Interface
( O4 l' n' N; p  128 bytes and 2KB tightly-coupled SRAM
  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer
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) s1 s. R7 c, P# K8042 Keyboard Controller
1 j9 }5 y6 A  s( |  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
- M2 b8 I/ o2 g  ACPI Specification 2.0 compliant
  Support customer command by firmware
+ x4 N  ^$ \. a  Programmable EC I/O port addressing (default 62h/66h)
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: P7 f( k/ S/ p! J  _5 KAnalog To Digital Converter (ADC)
; v- k. o( x* q+ A4 g  6 built-in ADCs with 8-bit resolution.
- e& I! g% r" [: H; U  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
+ B/ D) F9 g# y9 y& w2 a
) C! d/ ^( G6 Y, J1 Z% I" B! _Pulse Width Modulator (PWM)
  5 built-in PWMs
6 |: y# A, o! R  R" E) s2 U7 l  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

) L8 p+ H8 `' ~$ BWatchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
+ L3 c8 u9 v) c$ m" p
General Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
/ Y  l- r! g* D  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
$ Z6 k7 B( i, p6 ^5 ?; K  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

Power Management
* i6 m6 B; R+ l  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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! _# l; S- j4 o  Y* `8 ~% H* \& cTotal 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。