UPD780204 datasheet(80/418 Pages) NEC

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UPD780204 Datasheet(PDF) 80 Page - NEC

Part #	UPD780204

Description	8-Bit Single-Chip Microcontrollers

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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UPD780204 Datasheet(HTML) 80 Page - NEC

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User’s Manual U11302EJ4V0UM

CHAPTER 4

PORT FUNCTIONS

4.1 Port Functions

The

µPD780208 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.

Figure 4-1. Port Types

Port 9

P90

P97

P100

P107

P110

P117

P120

P127

P04

P10

P17

P20

P27

P30

P37

P70

P74

P00

P80

P87

Port 10

Port 11

Port 12

Port 1

Port 0

Port 2

Port 3

Port 7

Port 8

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