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CHAPTER 2 PIN FUNCTIONS
User’s Manual U15798EJ2V0UD
(1) Port pins (2/2)
Pin Name
I/O
Function
After Reset
Alternate
Function
P70 to P73
I/O
Port 7
Input
—
4-bit middle-voltage N-ch open-drain I/O port
Input/output mode can be specified in 1-bit units. LEDs can
be driven directly.
On-chip pull-up resistor can be specified by mask option
(mask ROM version only).
P80 to P87
Note
I/O
Port 8
Input
S12 to S19
Note
8-bit I/O port
P90 to P97
Note
I/O
Port 9
Input
S20 to S27
Note
8-bit I/O port
P100 to P107
Note
I/O
Port 10
Input
S28 to S35
Note
8-bit I/O port
P110 to P113
Note
I/O
Port 11
Input
S36 to S39
Note
4-bit I/O port
Note
These pins can be used as a port function or LCD segment output by setting the pin function switching
register.