upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 61

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

4.2 Port Configuration
P00
P01
P10
P11
P12
P13
P14
P15
P16
P17
P30
P31
P32
P33
P60
P61
P120
P121
P122
Control registers
Port
Pull-up resistor
Function Name
Ports include the following hardware.
Item
I/O
I/O
I/O
I/O
I/O
I/O
Port 0.
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 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 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 6.
2-bit I/O port.
Output of P60 and P61 is N-ch open-drain output (6 V
tolerance).
Input/output can be specified in 1-bit units.
Port 12.
3-bit I/O port.
Input/output can be specified in 1-bit units.
Only for P120, use of an on-chip pull-up resistor can be
specified by a software setting.
Port mode register (PM0, PM1, PM3, PM6, PM12)
Port register (P0, P1, P3, P6, P12)
Pull-up resistor option register (PU0, PU1, PU3, PU12)
Total: 20 (CMOS I/O: 18, N-ch open drain I/O: 2)
Total: 15
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 4 PORT FUNCTIONS
Table 4-3. Port Configuration
Table 4-2. Port Functions
Function
Configuration
Input port
Input port
Analog input
Input port
Input port
After Reset
Alternate Function
TI000
TI010/TO00
SCK10
SI10
SO10
TxD6
RxD6
TOH1
TI50/TO50
INTP1
INTP2/OCD1A
INTP3/OCD1B
TI51/TO51
INTP0
X1/OCD0A
X2/EXCLK/OCD0B
−
−
−
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