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U19858EJ1V0PM00_15 Datasheet, PDF (9/25 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCONTROLLER
μPD78F8056, 78F8057, 78F8058
7. PORT
(1) Port functions
Function Name I/O
Function
After Reset
P02
I/O
Port 0.
Input port
3-bit I/O port
P03
Output of P02 to P04 can be set to N-ch open-drain output
P04
(VDD tolerance).
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a software
setting.
P13
I/O
Port 1.
Input port
P14
4-bit I/O port.
Input/output can be specified in 1-bit units.
P15
Use of an on-chip pull-up resistor can be specified by a software
setting.
P16
P31
P40Note
P41
P76
P120
P121
P122
P123
P124
P130
P144
GPIO0
GPIO1
GPIO2
GPIO3
I/O
I/O
I/O
I/O
Input
Port 3.
Input port
1-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 4.
Input port
2-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 7.
Input port
1-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.
Input port
1-bit I/O port and 4-bit input port.
For only P120, use of an on-chip pull-up resistor can be specified
by a software setting.
Output
I/O
I/O
I/O
I/O
Port 13.
1-bit output port.
Port 14.
1-bit I/O port.
Output of P144 can be set to the N-ch open-drain output (VDD
tolerance).
Input/output can be specified in 1-bit units.Use of an on-chip
pull-up resistor can be specified by a software setting.
1-bit I/O port of RF transceiver control.
1-bit I/O port of RF transceiver control.
1-bit I/O port of RF transceiver control.
Output port
Input port
Input port
Input port
Input port
I/O
1-bit I/O port of RF transceiver control.
Input port
Alternate Function
SO10/TxD1
SI10/RxD1/SDA10
SCK10/SCL10
TxD3
RxD3
RTCDIV/RTCCL/
GPIO2
TI01/TO01/INTP5/
GPIO3
TI03/TO03/INTP4
TOOL0
TOOL1
INTP10
INTP0/EXLVI
X1
X2/EXCLK
XT1
XT2
−
TxD2
−
−
P15/RTCDIV/
RTCCL
P16/TI01/TO01/
INTP5
Note If on-chip debugging is enabled by using an option byte, be sure to pull up the P40/TOOL0 pin externally
Preliminary Product Information U19858EJ1V0PM
7