UPD17215CT View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17215CT

4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

NEC => Renesas Technology 

µPD17215, 17216, 17217, 17218

1.2 Input/Output Circuits

The equivalent input/output circuit for each µPD17215 pin is shown below.

(1) P0A, P0B

(4) RESET

V DD

V DD

Input buffer

(2) P0C, P0D

data

Output

latch

(3) P0E

data

Pull-up

register

data

Output

latch

output

disable

Selector

N-ch

V DD

P-ch

V DD

P-ch

N-ch

Input buffer

Mask option

Input buffer

Schmitt trigger input with hysteresis charac-

teristics

(5) INT

Input buffer

Schmitt trigger input with hysteresis

characteristics

(6) REM

data

output

disable

V DD

P-ch

N-ch

(7) WDOUT

data

N-ch

8

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