UPD78F8056 Renesas Electronics Corporation., UPD78F8056 Datasheet - Page 9

• Manufacturer Part Number: UPD78F8056
• Description: 16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

7. PORT
Note
P02
P03
P04
P13
P14
P15
P16
P31
P40
P41
P76
P120
P121
P122
P123
P124
P130
P144
GPIO0
GPIO1
GPIO2
GPIO3
Function Name
Note
(1)
If on-chip debugging is enabled by using an option byte, be sure to pull up the P40/TOOL0 pin externally
Port functions
I/O
I/O
I/O
I/O
I/O
I/O
Input
Output
I/O
I/O
I/O
I/O
I/O
I/O
Output of P02 to P04 can be set to N-ch open-drain output
(V
Input/output can be specified in 1-bit units.
Port 1.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Port 3.
1-bit I/O port.
Input/output can be specified in 1-bit units.
Port 4.
2-bit I/O port.
Input/output can be specified in 1-bit units.
Port 7.
1-bit I/O port.
Input/output can be specified in 1-bit units.
Port 12.
1-bit I/O port and 4-bit input port.
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.
Port 0.
3-bit I/O port
Use of an on-chip pull-up resistor can be specified by a software
setting.
Use of an on-chip pull-up resistor can be specified by a software
setting.
Use of an on-chip pull-up resistor can be specified by a software
setting.
Use of an on-chip pull-up resistor can be specified by a software
setting.
Use of an on-chip pull-up resistor can be specified by a software
setting.
For only P120, 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.
1-bit I/O port of RF transceiver control.
DD
tolerance).
Preliminary Product Information U19858EJ1V0PM
Function
μPD78F8056, 78F8057, 78F8058
After Reset
Input port
Input port
Input port
Input port
Input port
Input port
Output port
Input port
Input port
Input port
Input port
Input port
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
Alternate Function
−
−
−
7