LC72720YV(2013) 查看數據表（PDF） - ON Semiconductor

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LC72720YV
(Rev.:2013)

Single-Chip RDS Signal-Processing System IC

ON Semiconductor 

LC72720YV

Pin Functions

Pin No.

Pin name

1

VREF

Function

Reference voltage output (Vdda/2)

2

MPXIN

Baseband (multiplexed) signal input

I/O

Output

Input

Pin circuit

Vdda

Vssa

Vdda

Vssa

6

FLOUT

Subcarrier output (filter output)

Output

Vdda

7

CIN

3

Vdda

5

Vssa

15

XOUT

Subcarrier input (comparator input)

Analog system power supply (+3.3V)

Analog system ground

Crystal oscillator output (4.332/8.664MHz)

Input

Vssa

VREF

−

−

Output

XIN

−

−

Vddd

16

XIN

Crystal oscillator input (external reference signal input)

XOUT Vssd

9

T1

10

T2

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

Test input (standby control)

0:Normal operation, 1:Standby state

(crystal oscillator stopped)

Input

S

Vssd

11

T3(RDCL)

Test I/O (RDS clock output)

13

T4(RDDA)

Test I/O (RDS data output)

14

T5(RSFT)

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

T6

20

(ERROR/57K/BE1)

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

T7

Test I/O

21

(CORREC/ARI-ID/BE0) (error correction status, SK detection, error block count)

22

SYNC

Block synchronization detection output

I/O*

Vssd

24

RDS-ID

25

DO

RDS detection output

Data output

Serial data interface (CCB)

Output

Vssd

26

CL

28

DI

29

CE

Clock input

Data input

Chip enable

Input

S

Vssd

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.

No. 6488-6/18

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