UPD780138 datasheet(95/558 Pages) NEC

Part #	UPD780138

Description	8-Bit Single-Chip Microcontrollers

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Manufacturer	NEC [NEC]

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CHAPTER 4 PORT FUNCTIONS

User’s Manual U16228EJ2V0UD

95

Figure 4-4. Block Diagram of P02

P02/SO11

Note

WRPU

RD

WRPORT

WRPM

PU02

Output latch

(P02)

PM02

Alternate

function

EVDD

P-ch

PU0

PM0

Note Available only in the

µPD780133, 780134, 78F0134, 780136, 780138, and 78F0138.

PU0:

Pull-up resistor option register 0

PM0:

Port mode register 0

RD:

Read signal

WR

××: Write signal

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