upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 65

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

Note TxD0 and RxD0 are available only in the
4.2 Port Configuration
P00
P01
P02
P03
P10
P11
P12
P13
P14
P15
P16
P17
P20 to P23
P30 to P33
P120
P130
Control registers
Port
Pull-up resistors
A port includes the following hardware.
Pin Name
Item
I/O
I/O
Input
I/O
I/O
Output
I/O
Port 0.
4-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 1.
8-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 2.
4-bit input-only port.
Port 3.
4-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.
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 13.
1-bit output-only port.
Port mode register (PM0, PM1, PM3, PM12)
Port register (P0 to P3, P12, P13)
Pull-up resistor option register (PU0, PU1, PU3, PU12)
Total: 22 (CMOS I/O: 17, CMOS input: 4, CMOS output: 1)
Total: 17 (software control only)
CHAPTER 4 PORT FUNCTIONS
Table 4-3. Port Configuration
Table 4-2. Port Functions
User’s Manual U16846EJ3V0UD
µ
PD78F0102H and 78F0103H.
Function
Configuration
Input
Input
Input
Input
Input
Output
After Reset
Alternate Function
TI000
TI010/TO00
−
SCK10/TxD0
SI10/RxD0
SO10
TxD6
RxD6
TOH0
TOH1/INTP5
TI50/TO50/
FLMD1
ANI0 to ANI3
INTP1 to INTP4
INTP0
−
Note
Note
65