UPD784020 Datasheet, PDF (28/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCOMPUTER

mPD784020, 784021
8. PERIPHERAL HARDWARE FUNCTIONS
8.1 PORTS
The ports shown in Fig. 8-1 are provided to enable the application of wide-ranging control. Table 8-1 lists the
functions of the ports. For the inputs to port 0 to port 6, a built-in pull-up resistor can be specified by software.
Fig. 8-1 Port Configuration
P00
Port 0
P07
P10
Port 1
P17
P20-P27
8
Port 2
P30
Port 3
P37
P60
P63
Port 6
P66
P67
P70
Port 7
P77
28