Chapter 4 Port Functions; Port Functions; Port Types - NEC mPD780208 Subseries User Manual

4.1 Port Functions

The µ PD780208 Subseries units incorporate two input ports, 16 output ports, and 56 I/O ports. Figure 4-1 shows
the port configuration. Every port is capable of 1-bit and 8-bit manipulations and can carry out various control
operations. Besides port functions, the ports can also serve as on-chip hardware I/O pins.
Port 8
Port 9
Port 10
Port 11
Port 12
80

CHAPTER 4 PORT FUNCTIONS

Figure 4-1. Port Types
P80
P87
P90
P97
P100
P107
P110
P117
P120
P127
User's Manual U11302EJ4V0UM
P00
Port 0
P04
P10
Port 1
P17
P20
Port 2
P27
P30
Port 3
P37
P70
Port 7
P74