ENE KB3700 Keyboard Controller Datasheet R0.1 2006

bini

Feature Summary

" [/ `" {5 e  ^! `0 E& ^  H: d2 TLow Pin Count Host Interface (LPC)
! M+ S& ]9 Y3 N7 A# g  SIRQ supporting IRQ1, IRQ12, SCI
+ y  J; W6 V5 h5 W1 }  I/O Address Decoding:
# r. B9 e' q/ q  KBC IO Port 60h/64h
: U; D+ v$ j( c( L1 Q  Programmable EC IO Port 62h/66h and 68h/6Ch
  Programmable 4-byte Index I/O ports to access internal registers
# _+ u) J# }9 `$ g  One Programmable I/O write byte-address decoding
6 J( L6 q! n$ B% B9 ?1 W  y: C) V
X-Bus Interface (XBI)
4 y& {' v; ~3 _* ?, `  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.

  n/ u: J  r) G+ g" c8051 Microprocessor
  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
1 @  y. Q6 i. [) [  Programmable 8/16/32 MHz clock
$ f* D2 i$ J2 l- i  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
1 t% W) n* `1 w1 \9 Y8 J  24 extended interrupt sources.
  Two 16-bit tightly-coupled timer

8042 Keyboard Controller
& c8 T& s( h! C! Z3 W  8 Standard keyboard commands processed by hardware
  Each hardware command can be optionally processed by firmware

Embedded Controller (EC)
' q' D% X/ Q5 s+ u3 v, B6 y. y  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
0 U* K2 r3 t' a" |- o. e) n  Support customer command by firmware
  Programmable EC I/O port addressing (default 62h/66h)

' O4 q4 d' W6 \7 D9 q6 C" m1 IAnalog To Digital Converter (ADC)
7 n/ A" |4 R7 j6 Q0 f( O- [  6 built-in ADCs with 8-bit resolution.
  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).

Pulse Width Modulator (PWM)
  5 built-in PWMs
  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.
2 i. j/ Z# `. L$ f. [. F  8-bit watchdog timer interrupt and reset setting
- B2 q6 ^8 e  i$ x
* f& V" Q9 S- aGeneral Purpose Timer (GPT)
9 n8 X! u& Y+ W( W. ~  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
; z& p4 ^2 k$ s- t9 a; d* C
General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.

General Purpose Input/Output (GPIO)
% U6 G# i9 a, E: E3 z  All I/O pins are bi-direction and configurable
7 O& y1 S: E8 `5 c* f  All outputs can be optionally tri-stated
- z4 ]( `/ T) S8 \1 z0 H# F# y  All inputs equipped with pull-up, high/low active, edge/level trigger selection
: U: e; Z* m0 V' A- p  All GPIO pins are bi-direction, input and output.
  Max. 43 GPIOs
& J, Z2 r6 J0 R2 U* h* L4 R3 }( A
0 v2 h$ l0 m, {1 Q1 p8 a6 X9 b( IPower Management
3 O1 {7 [. p4 c# k  Sleep State: 8051 Program Counter (PC) stopped
  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
5 r, S# w5 Q( i  p, ?0 w
$ d# M$ z$ u$ g1 Z, ATotal 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。