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Pin Name
I/O
P120
I/O
P130
Output
P140
I/O
P141
4.2 Port Configuration
Ports include the following hardware.
Item
Control registers
Port
Pull-up resistor
84
CHAPTER 4 PORT FUNCTIONS
Table 4-2. Port Functions (2/2)
Function
Port 12.
1-bit I/O port.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 13.
1-bit output-only port.
Port 14.
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.
Table 4-3. Port Configuration
Port mode register (PM0, PM1, PM3 to PM7, PM12, PM14)
Port register (P0 to P7, P12 to P14)
Pull-up resistor option register (PU0, PU1, PU3 to PU5, PU7, PU12, PU14)
Total: 51 (CMOS I/O: 38, CMOS input: 8, CMOS output: 1, N-ch open drain I/O: 4)
Total: 38
User's Manual U16899EJ2V0UD
After Reset
Input
Output
Input
Configuration
Alternate Function
INTP0
−
PCL/INTP6
BUZ/INTP7
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