UPD17P236M4GT 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD17P236M4GT

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

NEC => Renesas Technology 

µPD17P236

2.3 Input/Output Circuits

The equivalent input/output circuit for each µPD17P236 pin is shown below.

(1) P0A

V DD

(4) P1A

• Input mode (µPD17P236M2, 17P236M4)

Input buffer

(2) P0B, P0C, P0D

Data

Output

latch

Input buffer

• Output mode (µPD17P236M1, 17P236M3)

VDD

P-ch

data

Output

latch

(5) RESET

N-ch

VDD

Output

disable

Selector

N-ch

Input buffer

(3) P0E

Data

Pull-up

register

Data

Output

latch

Output

disable

Selector

V DD

P-ch

V DD

P-ch

N-ch

Input buffer

Reset input

P-ch

Input buffer

Schmitt trigger input with

hysteresis characteristics

N-ch

(6) INT

Input buffer

Schmitt trigger input with hysteresis

characteristics

(7) REM

Data

V DD

P-ch

Output

disable

Data Sheet U14776EJ1V0DS00

N-ch

11

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