LC72720YV

No. 6488-6/18

Pin Functions

Pin No.

Pin name

Function

I/O

Pin circuit

1

VREF

Reference voltage output (Vdda/2)

Output

2

MPXIN

Baseband (multiplexed) signal input

Input

6

FLOUT

Subcarrier output (filter output)

Output

7

CIN

Subcarrier input (comparator input)

Input

3

Vdda

Analog system power supply (+3.3V)





5

Vssa

Analog system ground





15

XOUT

Crystal oscillator output (4.332/8.664MHz)

Output

16

XIN

Crystal oscillator input (external reference signal input)

Input

9

T1

Test input (This pin must always be connected to ground.)

10

T2

Test input (standby control)

0:Normal operation, 1:Standby state

(crystal oscillator stopped)

11

T3(RDCL)

Test I/O (RDS clock output)

I/O

*

13

T4(RDDA)

Test I/O (RDS data output)

14

T5(RSFT)

Test I/O (soft-decision control data output)

20

T6

(ERROR/57K/BE1)

Test I/O (error status, regenerated carrier, error block count)

21

T7

(CORREC/ARI-ID/BE0)

Test I/O

(error correction status, SK detection, error block count)

22

SYNC

Block synchronization detection output

24

RDS-ID

RDS detection output

Output

25

DO

Data output

26

CL

Clock input

Data input

Chip enable

Input

28

DI

29

CE

30

SYR

Synchronization and RAM address reset (active high)

17

Vddd

Digital system power supply (+3.3V)





18

Vssd

Digital system ground





Note : * Normally function as an output pin. Used as an I/O pin in test mode, which is not available to user

applications. Pin 4, 8, 12, 19, 23, 27 are NC (NO CONNECT) Pins.

Serial data interface (CCB)

Vdda

Vdda

Vdda

Vddd

VREF

Vssa

Vssa

Vssd

Vssa

XOUT

XIN

Vssd

Vssd

S

Vssd

S

Vssd