STC12C2052AD Datasheet, PDF (6/71 Pages) List of Unclassifed Manufacturers – STC12C2052AD

0.1uF
1 C1+
2 V+
3 C1-
4 C2+
Vcc 16
GND 15
T1OUT 14
R1IN 13
Vcc
Gnd
PC_RxD (COM Pin2)
PC_TxD (COM Pin3)
5 C2-
R1OUT 12
6 V-
T1IN 11
7 T2OUT T2IN 10
8 R2IN R2OUT 9