UPD75112FGF-XXX-3BE View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD75112FGF-XXX-3BE

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75108F,75112F,75116F

3.2 OTHER PINS

Pin Name

Input/Output

PTH00 to PTH03

Input

TI0

Input

TI1

PTO0

PTO1

Input/output

SCK

Input/output

SO

Input/output

SI

Input

Dual-

Function Pin

Function

—

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.

P20

Timer/event counter output

P21

P01

Serial clock input/output

P02

Serial data output

P03

Serial data input

After Reset

Input

Input

Input

Input

INT4

Input

P00

Edge detection vector interrupt input (detection of both

rising and falling edges)

Input

INT0

INT1

INT2

INT3

PCL

X1, X2

RESET

NC*2

VDD

VSS

Input

Input

Input/output

Input

—

P10

Edge detection vector interrupt input (detection edge se-

P11

lectable)

P12

Edge detection testable input (rising edge detection)

P13

P22

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

Input

Input

Input

I/O Circuit

Type *1

N

B

E

F

E

B

B

B

B

E

B

* 1. q : Schmitt trigger input

2. When sharing a print board with µPD75P116, NC pin should be connected to VDD.

9

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