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Número de pieza | KB9012 | |
Descripción | Keyboard Controller | |
Fabricantes | ene | |
Logotipo | ||
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Keyboard Controller
Data Sheet
Revision 0.9
June 2010
ENE RESERVES THE RIGHT TO AMEND THIS DOCUMENT WITHOUT NOTICE AT ANY TIME. ENE
ASSUMES NO RESPONSIBILITY FOR ANY ERRORS APPEAR IN THE DOCUMENT, AND ENE DISCLAIMS
ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF ENE PRODUCTS
INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, OR
INFRINGEMENT OF ANY PATENTS, COPYRIGHTS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
Headquarters
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Science-based Industrial Park,
Hsinchu City, Taiwan, R.O.C
TEL: 886-3-6662888
FAX: 886-3-6662999
hCtotpp:y//rwigwhwt©.e2n0e1.1c,oEmN.tEwTechnology Inc. All rights reserved.
Taipei Office
4F, No.88, Bauchiau Rd.
Shindian City, Taipei,
Taiwan, R.O.C.
TEL: 886-2-89111525
FAX: 886-2-89111523
1 page KB9012 Keyboard Controller Datasheet
4. MODULE DESCRIPTIONS .................................................................................. 20
4.1 CHIP ARCHITECTURE ......................................................................................... 20
4.1.1 Power Planes........................................................................................... 20
4.1.2 Clock Domains ........................................................................................ 21
4.1.3 PCICLK and CLKRUN#........................................................................... 23
4.1.4 Internal Memory Map.............................................................................. 24
4.2 GPIO ................................................................................................................ 25
4.2.1 GPIO Function Description ................................................................... 25
4.2.2 GPIO Structures ...................................................................................... 29
L4.2.3 GPIO Attribution Table ........................................................................... 30
4.2.4 GPIO Registers Descriptions (0xFC00~0xFC7F) ................................ 33
IA4.2.5 GPIO Programming Sample .................................................................. 48
4.3 KEYBOARD AND MOUSE CONTROL INTERFACE (KBC) ........................................ 49
T4.3.1 KBC I/F Function Description ............................................................... 49
N4.3.2 KBC Registers Description (0xFC80~0xFC8F) ................................... 50
4.4 ENE SERIAL BUS CONTROLLER (ESB).............................................................. 54
E4.4.1 ESB Function Description ..................................................................... 54
ID4.4.2 ESB Registers Description (0xFC90~0xFC9F) ................................... 55
4.4.3 ESB Programming Sample.................................................................... 60
F4.5 INTERNAL KEYBOARD (IKB) ENCODER .............................................................. 61
4.5.1 IKB Function Description ...................................................................... 61
N4.5.2 IKB Registers Description (0xFCA0~0xFCAF).................................... 63
4.5.3 IKB Matrix Value Mapping Table ........................................................... 69
CO4.6 PECI................................................................................................................. 72
4.6.1 PECI Functional Description ................................................................. 72
4.6.2 PECI Timing Setting ............................................................................... 73
4.6.3 PECI Register Description (0xFCD0~0xFCDF) ................................... 74
4.7 OWM ................................................................................................................ 78
4.7.1 OWM Functional Description ................................................................ 78
4.7.2 OWM Timing Setting Illustration .......................................................... 79
4.7.3 OWM Register Description (0xFCF0~0xFCFF) ................................... 80
4.8 PULSE WIDTH MODULATION (PWM) .................................................................. 83
4.8.1 PWM Function Description.................................................................... 83
4.8.2 PWM Duty Cycle Setting Illustration .................................................... 84
4.8.3 PWM Registers Description (0xFE00~0xFE1F) .................................. 87
4.9 FAN CONTROLLER ............................................................................................. 90
Copyright© 2011, ENE Technology Inc.
iii
5 Page KB9012 Keyboard Controller Datasheet
1.2 Features
LPC Low Pin Count Interface
SIRQ supporting IRQ1, IRQ12, SCI or SMI# interrupt and one programmable
IRQ provided.
I/O Address Decoding:
Legacy KBC I/O port 60h/64h
Programmable EC I/O port, 62h/66h(recommend)
I/O port 68h/6Ch (sideband)
L 2 Programmable 4-byte Index-I/O ports to access internal EC registers.
Memory Decoding:
IA Firmware Hub decode
LPC memory decode
T Compatible with LPC specification v1.1
Support LPC interface re-direction to IKB for debugging
NX-bus Bus Interface (XBI) : Flash Interface
E Embedded 128KB flash support
ID The 64KB code memory can be mapped into system memory by one 16KB and
one 48KB programmable pages independently.
F Enhanced pre-fetch mechanism.
N8051 Microprocessor
Compatible with industrial 8051 instructions with 3 cycles.
O 8051 runs at 8/16/22 MHz, programmable.
C 256 bytes internal RAM. (special design) and 4KB tight-coupled SRAM
24 extended interrupt sources.
Two 16-bit timers.
Supports idle and stop mode.
Enhanced embedded debug interface.
Support Tx/Rx and support re-direction to IKB for debugging
Copyright© 2011, ENE Technology Inc.
1
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