UPC2539GS NEC, UPC2539GS Datasheet - Page 3

• Manufacturer Part Number: UPC2539GS
• Description: RDS DATA DEMODULATOR IC
• Manufacturer: NEC

PIN FUNCTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin no.
V
TEST1
TEST2
CLK OUT
DATA OUT
RDS IND
SK IND
TEST3
TEST4
DGND
OSC IN
OSC OUT
TEST5
TEST6
OP.CTL
AGND
DSB IN
BPF OUT
REF
BPF IN
TEST7
TEST8
TEST9
V
DD
CC
Pin name
Power Supply for Digital Circuit
Pin for Test : Normally connect to GND.
Pin for Test : Normally be open.
Bit-Rate-Clock Output Pin
RDS Data Output Pin
RDS Idenrification Indicator : When RDS signal is detected, the output voltage becomes
to Low level.
SK Identification Indicator : When SK signal is detected, the output voltage becomes to
Low level.
Pin for Test : Normally connect to GND.
Pin for Test : Normally connect to GND.
GND for Digital Circuit
Oscillator Input Pin
Oscillator Output Pin
Pin for Test : Normally be open.
Pin for Test : Normally connect to GND.
Operation/Stop control Pin : High:Operation mode, Low:Stop mode
GND for Analog Circuit
DSB Demodulator Input Pin
Band-Pass-Filter Output Pin
Reference Voltage for BPF
Band-Pass-Filter Input Pin
Pin for Test : Normally connect to GND.
Pin for Test : Normally connect to GND.
Pin for Test : Normally connect to GND.
Power Supply for Analog Circuit
Function
PC2539
3