JVC MX-G70 Service Manual page 49

3.Pin Functions
Pin Name
Alternate
I/O
Function
P00 to P02
I/O INTP0 to
INTP2
P03
INTP3/ADTRG
P10 to P17
ANI0 to ANI7
Input
P20
I/O SI30
P21
SO30
P22
SCK30
P23
RxD0
P24
TxD0
P25
ASCK0
P30
-
I/O
P31
P32
P33
P34
SI31
P35
SO31
P36
SCK31
P40 to P47
AD0 TO AD7
I/O
P50 to 57
A8 to A15
I/O
P64
I/O RD
P65
WR
P66
WAIT
P67
ASTB
P70
TI00/TO0
I/O
P71
TI01
P72
TI50/TO50
P73
TI51/TO51
P74
PCL
P75
BUZ
Function
Port 0
4-bit I/O port
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
Port 1
8-bit input-only port
Port 2
6-bit I/O port
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
Port 3 (P3)
7-bit I/O port
Input /output can be
specified in 1-bit units.
Port 4
8-bit I/O port
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
Interrupt request flag (KRIF) is set to 1 by falling edge detection.
Port 5 (P5)
8-bit I/O port
LEDs can be driven directly.
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
Port 6
4-bit I/O port
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
Port 7
6-bit I/O port
Input /output can be specified in 1-bit units.
An on-chip pull-up resistor can be connected by means of software.
N-ch open-drain input/output port
An on-chip pull-up resistor can be
specified by the mask option.
LEDs can be driven directly.
An on-chip pull-up resistor can be
connected by means of software.
MX-G70
After
Resist
Input
Input
Input
Input
Input
Input
Input
Input
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