LG MBD-D102X Service Manual page 59

Function Name I/O
I/O
P70 to P77
P120
I/O
P121
P122
P123
P124
Output Port 13.
P130
P140
I/O
P141
P142
P143
P144
P145
Function
Port 7.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by
a software setting.
Port 12.
5-bit I/O port.
Input/output can be specified in 1-bit units.
Only for P120, use of an on-chip pull-up resistor can
be specified by a software setting.
1-bit output-only port
Port 14.
6-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified
by a software setting.
3-48
After Reset Altemate Function
Input port KR0 to KR7
INTP0/EXLVI
Input port
X1
X2/EXCLK
XT1
XT2/EXCLKS
Output port
PCL/INTP6
Input port
BUZ/BUSY0/INTP7
SCKA0
SIA0
SOA0
STB0
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