µPD178023, 178024
3. FEATURES OF PERIPHERAL HARDWARE FUNCTIONS
3.1 Ports
The following three types of ports are available:
• CMOS input (port 1)
:
6 pins
• CMOS I/O (ports 0, 3 - 7, and 12) : 53 pins
• N-ch open-drain output (port 13)
Total
:
3 pins
: 62 pins
Table 3-1. Port Functions
Name
Port 0
Port 1
Port 3
Port 4
Port 5
Port 6
Port 7
Port 12
Port 13
Pin Name
P00-P06
P10-P15
P30-P37
P40-P47
P50-P57
P60-P67
P70-P77
P120-P125
P130-P132
Function
I/O port. Can be set in input or output mode in 1-bit units.
Input-only port
I/O port. Can be set in input or output mode in 1-bit units.
I/O port. Can be set in input or output mode in 1-bit units.
I/O port. Can be set in input or output mode in 1-bit units.
I/O port. Can be set in input or output mode in 1-bit units.
I/O port. Can be set in input or output mode in 1-bit units.
I/O port. Can be set in input or output mode in 1-bit units.
N-ch open-drain output port
Data Sheet U14126EJ1V0DS00
19
NEC [ NEC ]
