µPC2539

3

PIN FUNCTIONS

Pin no.

Pin name

Function

Power Supply for Digital Circuit

2

TEST1

Pin for Test : Normally connect to GND.

3

TEST2

Pin for Test : Normally be open.

4

CLK OUT

Bit-Rate-Clock Output Pin

5

DATA OUT

RDS Data Output Pin

6

RDS IND

RDS Idenrification Indicator : When RDS signal is detected, the output voltage becomes

to Low level.

7

SK IND

SK Identification Indicator : When SK signal is detected, the output voltage becomes to

Low level.

8

TEST3

Pin for Test : Normally connect to GND.

9

TEST4

Pin for Test : Normally connect to GND.

10

DGND

GND for Digital Circuit

11

OSC IN

Oscillator Input Pin

12

OSC OUT

Oscillator Output Pin

13

TEST5

Pin for Test : Normally be open.

14

TEST6

Pin for Test : Normally connect to GND.

15

OP.CTL

Operation/Stop control Pin : High:Operation mode, Low:Stop mode

16

AGND

GND for Analog Circuit

17

DSB IN

DSB Demodulator Input Pin

18

BPF OUT

Band-Pass-Filter Output Pin

19

REF

Reference Voltage for BPF

20

BPF IN

Band-Pass-Filter Input Pin

21

TEST7

Pin for Test : Normally connect to GND.

22

TEST8

Pin for Test : Normally connect to GND.

23

TEST9

Pin for Test : Normally connect to GND.

24

Power Supply for Analog Circuit