PD178046_15 Datasheet, PDF (20/42 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD178046, 178048
3. FEATURES OF PERIPHERAL HARDWARE FUNCTIONS
3.1 Ports
The following three types of I/O ports are available:
• CMOS input (port 1)
• CMOS I/O (ports 0 and 2 through 7)
• N-ch open-drain output (port 13)
Total
: 4 pins
: 37 pins
: 5 pins
: 46 pins
Table 3-1. Port Functions
Name
Port 0
Port 1
Port 2
Port 4
Port 5
Port 6
Port 7
Port 13
Pin Name
P00-P03
P10-P13
P20-P23
P40-P47
P50-P54
P60-P67
P70-P77
P130-P134
Function
I/O port. Can be set in input or output mode in 1-bit units.
Input 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.
N-ch open-drain output port
18
Preliminary Product Information