Chapter 2 Pin Function; Pin Functions - NEC mPD780065 Series Preliminary User's Manual

2.1 Pin Functions

(1) Port Pins (1/2)
Pin Name Input/Output
P00 to P03 Input/Output
P04 to P07
P20 Input/Output
P21
P22
P23
P24 to P27
P30 to P37 Input/Output
P40 to P47 Input/Output
P50 to P57 Input/Output
P64 Input/Output
P65
P66
P67

CHAPTER 2 PIN FUNCTION

Function
Port 0
8-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Port 2
8-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Port 3
8-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Port 4
8-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Port 5
8-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Port 6
4-bit input/output port
Input/output mode can be specified in 1-bit units.
An on-chip pull-up resistor can be specified by means of
software.
Preliminary User's Manual U13420EJ2V0UM00
Alternate
After Reset
Function
Input INTP0 to INTP3
—
Input TI00/TC10
TI01
TI50/TO50
TI51/TO51
—
Input —
Input AD0 to AD7
Input A8 to A15
Input RD
WR
WAIT
ASTB
33