ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
  I/O Address Decoding:
  KBC IO Port 60h/64h
; q9 p- q! L7 v3 L: `  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
& N8 i" p3 y& r/ g  One Programmable I/O write byte-address decoding

X-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
! g7 y4 M) o5 c+ r6 l- P  Addressable Memory range up to 24MB.
  8051 64KB code memory can be mapped into 4 independent 16KB pages.

8051 Microprocessor
0 v+ T' e9 [2 y* M: \) t7 }: |  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
. l5 }  Z4 w3 y! g" G3 k* o! @  Programmable 8/16/32 MHz clock
8 c; s% }0 ^* U- b9 b! F2 E  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
- Q$ h. h, b( |# O  24 extended interrupt sources.
+ E) [& n( J( `' `; ?  Two 16-bit tightly-coupled timer
' V* {5 u; T$ o- e
7 ]" [  `* P# f9 W1 B* Y8042 Keyboard Controller
  8 Standard keyboard commands processed by hardware
6 n. C4 w  l; r1 V8 q) V7 P/ w8 k  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
% \* b* U1 K, \: Z" b- W, u+ [) W# q0 p  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)
: V# U- n1 a/ U
. t  F. N) `% M) Y* g, ^7 vAnalog To Digital Converter (ADC)
2 d. N! [( n; l4 t3 e  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
3 g$ V: M8 z5 f- L  5 built-in PWMs
% I+ V& _  X! _$ V) H, p  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.

Watchdog Timer (WDT)
  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting

! ~. u+ |8 h& H! t# N, N1 h9 fGeneral Purpose Timer (GPT)
  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

- c+ w! {2 x4 {9 U; j, XGeneral Purpose Input/Output (GPIO)
  All I/O pins are bi-direction and configurable
7 o7 _# R' G; f! q5 R" c) O1 N8 y  All outputs can be optionally tri-stated
  All inputs equipped with pull-up, high/low active, edge/level trigger selection
. w4 L8 T. X3 J+ T6 ~! S  E4 T0 R  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs

Power Management
$ @6 {& W: {* V5 Z8 E  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

. {- t2 C. ]8 D* g* B* yTotal 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。