ENE KB3700 Keyboard Controller Datasheet R0.1 2006

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Feature Summary

Low Pin Count Host Interface (LPC)
  SIRQ supporting IRQ1, IRQ12, SCI
4 ]( S9 ]6 A. ?- K' ~( h9 j  I/O Address Decoding:
  KBC IO Port 60h/64h
  Programmable EC IO Port 62h/66h and 68h/6Ch
+ j0 s0 N# }# Z  Programmable 4-byte Index I/O ports to access internal registers
  One Programmable I/O write byte-address decoding
  N( G& S2 B1 p3 g) \* a1 F% N7 V
6 S6 B+ G  S' x4 l1 z9 J4 [) YX-Bus Interface (XBI)
  SPI Flash support, the operation frequency runs at least 50MHz.
  Addressable Memory range up to 24MB.
4 Q/ e0 C- c, b  l  8051 64KB code memory can be mapped into 4 independent 16KB pages.
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0 x+ y* `/ B. \' P, S8 X8051 Microprocessor
4 X* |6 v  V% O8 `5 ~: O3 |6 `  Industry 8051 Instruction set complaint with 3~5 cycles per instruction.
  Programmable 8/16/32 MHz clock
  Fast instruction fetching from XBI Interface
  128 bytes and 2KB tightly-coupled SRAM
7 z: U4 |8 W% S  24 extended interrupt sources.
  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

1 E8 o7 P  H" c- e9 Y" aEmbedded Controller (EC)
  Five EC Standard Commands can be processed by hardware
  ACPI Specification 2.0 compliant
  Support customer command by firmware
" W" f* x) r2 }' b! A  Programmable EC I/O port addressing (default 62h/66h)

, C! T' B: ]" n. u' v5 fAnalog To Digital Converter (ADC)
5 A* K( }9 L6 B4 y; j: D  6 built-in ADCs with 8-bit resolution.
% V; G7 ?6 J4 @& _, R/ T; ^% ^5 L# C  The ADC pins can be alternatively configured as General Purpose Inputs (GPI).
1 o2 q) ]8 j# |0 K
( c0 Q# m2 l$ h5 @- s) JPulse Width Modulator (PWM)
5 \9 W3 E- {, ]4 Z  5 built-in PWMs
9 F% Q1 c1 S0 O# r' b* ]  V! F  Selectable clock sources: 1MHz/64KHz/4KHz/256Hz.
  Configurable cycle time (up to 1 sec) and duty cycle.
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Watchdog Timer (WDT)
: H6 N+ m  W* s2 @9 g2 @  32.768KHz input clock with 20-bit time scale.
  8-bit watchdog timer interrupt and reset setting
2 [" u! V4 X" j9 D/ ^
General Purpose Timer (GPT)
, m6 r' l; D" t2 M+ K1 {, K  Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution
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General Purpose Wake-Up (GPWU)
  All General Purpose Input pins can be configured to generate interrupts or wake-up event.
  A3 L6 @; j# g" e+ _
( |, i' u. C% SGeneral Purpose Input/Output (GPIO)
% O& I' K/ A$ P  All I/O pins are bi-direction and configurable
  All outputs can be optionally tri-stated
" O" u( M! a2 \/ t% v  All inputs equipped with pull-up, high/low active, edge/level trigger selection
  All GPIO pins are bi-direction, input and output.
% Q! r; ]! n( v3 u  w" g! N, t  Max. 43 GPIOs
! }$ u  \0 A6 }3 p1 p0 q
6 X+ F4 G" a" {Power Management
  Sleep State: 8051 Program Counter (PC) stopped
# V; Y0 _5 ]- g; A  G* L  Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.
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6 \4 S/ W# r% C5 s5 p0 j' LTotal 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。