UPD17236MC View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD17236MC

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

NEC => Renesas Technology 

µPD17230, 17231, 17232, 17233, 17234, 17235, 17236

1.2 Input/Output Circuits

The equivalent input/output circuit for each µPD17236 pin is shown below.

(1) P0A

V DD

Input buffer

(2) P0B, P0C, P0D

(4) P1A

<B>

Input buffer

Data

Output

latch

(Mask option)

<A>

(Mask option)

<A>

(Mask option)

<B>

N-ch

(Mask option)

VDD

Data

Output

latch

Output

disable

Selector

P-ch

N-ch

Remark • When set to input by mask option

<A> SW: OFF, <B> SW: ON

• When set to output by mask option

<A> SW: ON, <B> SW: OFF

(5) RESET

VDD

Input buffer

Reset input

P-ch

(3) P0E

Input buffer

Schmitt trigger input with

V DD

hysteresis characteristics

N-ch

Data

Pull-up

register

Data

Output

latch

Output

disable

Selector

P-ch

V DD

P-ch

N-ch

Input buffer

(6) INT

Input buffer

Schmitt trigger input with hysteresis

characteristics

(7) REM

Data

V DD

P-ch

Output

disable

N-ch

10

Data Sheet U14360EJ1V0DS00

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