FIC mb02 Manuales De Servicio
FIC CONFIDENTIAL AND PROPRIETARY
MB02 Functional Specifications Rev. 0.3 Page 58
MB02 Functional Specifications Rev. 0.3 Page 58
FIC H/W
FIC CONFIDENTIAL AND PROPRIETARY 11-November-2002_
7.4 Keyboard Controller
Device : Mitsubishi M38859 (64 Pin TQFP Package) Version 2.14
Function: Internal K/B, Touch Pad, External K/B or M/S
Registers:
Address
Bit
r/w
Description
Remark
0060h
7:0
r
Read Data from Output Data Bus Buffer
0060h
7:0
w
Write Data to into Input Data Bus Buffer
0064h
7:0
r
Status
0064h
7:0
w
Write Command into Input Data Bus Buffer
Port Assign:
Port
Pin Name
In/Out
Description
PORT 0
P07 : P00
OUT
Key Scan Data Output
PORT 1
P17 : P10
OUT
Key Scan Data Output
PORT 3
P37 : P30
IN
Key Scan Data Input
PORT 2
P27
OUT
SCROLL Lock LED
P26
OUT
NUM Lock LED
P25
OUT
CAPS Lock LED
P24
OUT
BLEN1
P23
OUT
NC
P22
OUT
NC
P21
IN
PULL DOWN 1K ohm
P20
OUT
NC
PORT 4
P46
OUT
NC
P45
OUT
PULL UP 10Kohm
P44
OUT
PULL UP 10Kohm
P43
OUT
IRQ12
P42
OUT
IRQ1
P41
OUT
NC
P40
OUT
KBCSMI0
PORT 5
P57
OUT
NC
P56
OUT
NC
P55
IN
NC
P54
IN
NC
P50
OUT
ISA ADDRESS (SA2)
PORT 6
P61
IN
KBSEL2
P60
IN
KBSEL1
P62
IN
NC
P63
IN
LOGSEL
P64
OUT
PASS0
P65
IN
NC
P66
OUT
BT_FETON1
P67
OUT
BT_SENSE0
PORT 7
P70
I/O
PS2 DATA
P73
I/O
PS2 CLOCK
P72
I/O
Pull high 5V (EXTERNAL KB DATA:NU)
P75
I/O
Pull high 5V (EXTERNAL KB CLOCK:NU)
P74
I/O
Pull high 5V (EXTERNAL MOUSE CLOCK:NU)
P71
I/O
Pull high 5V (EXTERNAL MOUSE DATA:NU)
P76
I/O
SMDAT_KBC
P77
I/O
SMCLK_KBC
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