12
μ
PD78076Y, 78078Y
RD
WR
WAIT
ASTB
3.1 Port Pins (2/2)
Function
Pin Name
I/O
Input/
output
Port 5
8-bit input/output port
LEDs can be driven directly.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by means of software.
P50 to P57
P60
P61
P62
P63
P64
P65
P66
P67
P70
Input/
output
Port 6
8-bit input/ output port
Input/output can be specified
bit-wise.
Port 7
3-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by means of software.
Input/
output
N-ch open-drain input/output
port. An on-chip pull-up resistor
can be specified by mask
option. LEDs can be driven
directly.
When used as an input port,
an on-chip pull-up resistor can be
used by means of software.
Port 8
8-bit input/output port
Input/output can be specified bit-wise.
When used as an input port,
an on-chip pull-up resistor can be used by means of software.
Input/
output
After
Reset
Input
A8 to A15
Alternate
Function
Input
Input
Input
Input
Port 9
7-bit input/output port
Input/output can be specified
bit-wise.
Input/
output
N-ch open-drain input/output port. An
on-chip pull-up resistor can be specified
by mask option. LEDs can be driven
directly.
When used as an input port, an on-chip
pull-up resistor can be used by means of
software.
Input
Input
P90
P91
P92
P93
P94
P95
P96
P100
P101
P102, P103
Input/
output
Port 10
4-bit input/output port
Input/output can be specified bit-wise.
When used as an input port,
an on-chip pull-up resistor can be used by means of software.
Port 12
8-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by means of software.
Input/
output
Input/
output
Port 13
2-bit input/output port
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be used by
means of software.
TI5/TO5
TI6/TO6
—
Input
Input
—
SI2/RxD
SO2/TxD
SCK2/ASCK
P71
P72
A0 to A7
P80 to P87
—
P120
to P127
P130, P131
RTP0 to RTP7
ANO0, ANO1