UPC1854A Datasheet, PDF (6/48 Pages) NEC – I2C BUS-COMPATIBLE US MTS PROCESSING LSI

1. PIN EQUIVALENT CIRCUITS
Pin No.
Pin Name
1
Power (9 V)
Symbol
VCC
µPC1854A
Internal Equivalent Circuit
(1/7)
2
1/2 VCC Filter
3
Pilot Discrimination Filter 1
VRE
20 kΩ
20 kΩ
2
5 kΩ
20 kΩ 10 kΩ
VCC
10 kΩ 10 kΩ
10 kΩ
5 kΩ
20 kΩ
GND
PD1
VCC
3
15 kΩ 15 kΩ 5 kΩ
4
Pilot Discrimination Filter 2
PD2
1
2
V CC
VCC
15 kΩ 15 kΩ 5 kΩ
4
6
Data Sheet S12816EJ3V0DS00