Chapter 5 port functions, 1 digital i/o ports, 5chapter 5 port functions 5.1 digital i/o ports – NEC PD78214 User Manual
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CHAPTER 5 PORT FUNCTIONS
5.1 DIGITAL I/O PORTS
The
µPD78214 has the ports shown in Fig. 5-1. These ports can be used for various types of control. Table 5-1 lists
the function of each port. For ports 2 through 6, software can specify whether to use a built-in pull-up resistor for
inputs.
Fig. 5-1 Port Configuration
Port 3
Port 5
Note
Port 6
Note
Port 7
Port 4
Note
Port 0
Port 2
P00-P07
P20-P27
P30
P37
P40-P47
P50
P57
P60-P63
P70-P75
P64
P67
6
4
8
8
8
Note For
µPD78213, P40 through P47, P50 through P57, P64, or P65 does not function as ports.