21

µPD66P04B

Data Sheet U13596EJ2V0DS00

6. APPLIED CIRCUIT EXAMPLE

Example of Application to System

• Remote-control transmitter (40 keys; mode selection switch accommodated)

• Remote-control transmitter (48 keys accommodated)

Remark When the POC circuit is used effectively, it is not necessary to connect the capacitor enclosed in the

dotted lines.

REM

GND

RESET

Key matrix

8

× 5 = 40 keys

Mode selection switch

+

+

R

C

REM

GND

RESET

Key matrix

8

× 6 = 48 keys

+

+

R

C