Chapter 6 port functions, 1 port functions – NEC uPD78056Y User Manual

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Port 6

Port 0

Port 7

8

Port 1

Port 2

P00

P60

P67

P70

P72

P10

P07

P17

P20

P27

Port 13

Port 3

Port 4

P120

P127

P130

Port 12

P131

P30

P37

P40-P47

Port 5

P50

P57

CHAPTER 6 PORT FUNCTIONS

6.1 Port Functions

The

µ

PD78054 and 78054Y subseries units incorporate two input ports and sixty-seven input/output ports. Figure

6-1 shows the port configuration. Every port is capable of 1-bit and 8-bit manipulations and can carry out considerably

varied control operations. Besides port functions, the ports can also serve as on-chip hardware input/output pins.

Figure 6-1. Port Types

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