PD17225_15 Datasheet, PDF (73/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

14. APPLICATION CIRCUIT EXAMPLE
µPD17225, 17226, 17227, 17228
3V
4 MHz
P0D 2 ₁
P0D 3 ₂
INT ₃
P0E 0 ₄
P0E 1 ₅
P0E 2 ₆
P0E 3 ₇
REM ₈
V DD ₉
X OUT ₁₀
X IN ₁₁
GND ₁₂
RESET ₁₃
WDOUT ₁₄
28 ^{P0D 1}
27 ^{P0D 0}
26 ^{P0C 3}
P0C 2
25
P0C 1
24
P0C 0
23
P0B 3
22
P0B 2
21
P0B 1
20
P0B 0
19
18 ^P0A3
17 ^P0A2
16 ^P0A1
P0A 0
15
Remark The RESET pin can be connected to a pull-up resistor by the mask option.
Data Sheet U12643EJ2V0DS00
71