UPD78F4216A Datasheet, PDF (13/60 Pages) NEC – MOS INTEGRATED CIRCUIT

µPD78F4216A, 78F4218A, 78F4216AY, 78F4218AY
4.1 Port Pins (2/2)
Pin Name
P60
P61
P62
P63
P64
P65
P66
P67
P70
P71
P72
P80 to P87
P90 to P95
P100
P101
P102
P103
P120 to P127
P130, P131
I/O
Alternate Function
Function
I/O
A16
A17
A18
A19
Port 6 (P6):
• 8-bit I/O port
• Input/output can be specified in 1-bit units.
• When used as an input port, an on-chip pull-up resistor can be
specified by means of software.
RD
WR
WAIT
ASTB
I/O
RxD2/SI2
TxD2/SO2
ASCK2/SCK2
Port 7 (P7):
• 3-bit I/O port
• Input/output can be specified in 1-bit units.
• Whether specifying input mode or output mode, an on-chip pull-up
resistor can be specified in 1-bit units by means of software.
I/O
A0 to A7
Port 8 (P8):
• 8-bit I/O port
• Input/output can be specified in 1-bit units.
• Whether specifying input mode or output mode, an on-chip pull-up
resistor can be specified in 1-bit units by means of software.
• The interrupt control flag (KRIF) is set to 1 when a falling edge is
detected at a pin of this port.
I/O
−
Port 9 (P9):
• N-ch open-drain middle-voltage I/O port
• 6-bit I/O port
• Input/output can be specified in 1-bit units.
• LEDs can be driven directly.
I/O
TI5/TO5
TI6/TO6
TI7/TO7
TI8/TO8
Port 10 (P10):
• 4-bit I/O port
• Input/output can be specified in 1-bit units.
• Whether specifying input mode or output mode, an on-chip pull-up
resistor can be specified in 1-bit units by means of software.
I/O
RTP0 to RTP7
Port 12 (P12):
• 8-bit I/O port
• Input/output can be specified in 1-bit units.
• Whether specifying input mode or output mode, an on-chip pull-up
resistor can be specified in 1-bit units by means of software.
I/O
ANO0, ANO1
Port 13 (P13):
• 2-bit I/O port
• Input/output can be specified in 1-bit units.
Data Sheet U14125EJ1V0DS00
13