UPD75116F datasheet(9/78 Pages) NEC

Part #	UPD75116F

Description	4-BIT SINGLE-CHIP MICROCOMPUTER

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Manufacturer	NEC [NEC]

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

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9 / 78 page

9

µPD75108F,75112F,75116F

PTH00 to PTH03

TI0

TI1

PTO0

PTO1

SCK

SO

SI

INT4

INT0

INT1

INT2

INT3

PCL

X1, X2

RESET

NC*2

VDD

VSS

3.2

OTHER PINS

Input

Input/output

Input

Input/output

Input

—

Dual-

Function Pin

—

P20

P21

P01

P02

P03

P00

P10

P11

P12

P13

P22

—

I/O Circuit

Type *1

N

B

E

F

E

B

E

B

Input

Variable threshold voltage 4-bit analog input port.

External event pulse input to timer/event counter. Or edge

detection vectored interrupt input or 1-bit input is also

possible.

Timer/event counter output

Serial clock input/output

Serial data output

Serial data input

Edge detection vector interrupt input (detection of both

rising and falling edges)

Edge detection vector interrupt input (detection edge se-

lectable)

Edge detection testable input (rising edge detection)

Clock output

System clock oscillation crystal/ceramic connection pin.

When an external clock is used, the clock is input to X1 and

the inverted clock is input to X2.

System reset input (low-level active).

No Connection

Positive power supply

GND potential

*1.

q

q : Schmitt trigger input

2.

When sharing a print board with

µPD75P116, NC pin should be connected to VDD.

After Reset

Function

Input/Output

Pin Name

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UPD75116F Datasheet(PDF) 9 Page - NEC

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