Ordering number : ENN6166

12100RM (OT) No. 6166-1/33

Overview

The LC72710W and LC72710LW are data demodulator

ICs for receiving FM multiplex broadcasts for mobile

reception in the DARC format. This IC includes an on-

chip bandpass filter for extracting the DARC signal from

the FM baseband signal. It also integrates a decoder circuit

that performs the VICS data processing on the same chip

and can implement a compact, multifunction VICS

reception system. The LC72710W and LC72710LW

support both parallel and CCB serial CPU interfaces, and

integrate the circuits required for simultaneous reception

of both VICS data and dGPS service data. Note that a

contract with VICS Center is required to evaluate this

sample IC and to produce end products that support VICS.

Functions

• Adjustment-free 76 kHz SCF bandpass filter

• Built-in VICS decoder

• MSK delay detection system based on a 1T delay.

• Error correction function based on a 2T delay (in the

MSK detection stage)

• Digital PLL based clock regeneration function

• Shift-register 1T and 2T delay circuits

• Block and frame synchronization detection circuits

• Functions for setting the number of allowable BIC errors

and the number of synchronization protection

operations.

• Error correction using (272, 190) codes

• Built-in layer 4 CRC code checking circuit

• On-chip frame memory and memory control circuit for

vertical correction

• 7.2 MHz crystal oscillator circuit

• Two power saving modes: STNBY and EC_STOP

• Dedicated

frame

synchronization

circuit

for

simultaneous reception of dGPS and VICS data

• Applications can use either a parallel CPU interface

(DMA) or a CCB serial interface.

• Supply voltage: 4.5 to 5.5 V (LC72710W), 2.7 to 3.6 V

(LC72710LW)

Package Dimensions

unit: mm

3190-SQFP64

1.25

0.5

1.25

0.18

12.0

116

17

32

33

48

49

64

10.0

0.5

0.5

0.15

SANYO: SQFP64

[LC72710W, 72710LW]

LC72710W, 72710LW

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Mobile FM Multiplex Broadcast (DARC) Receiver IC

with On-Chip VICS Decoder

CMOS IC

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft’s

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

• CCB is a trademark of SANYO ELECTRIC CO., LTD.

• CCB is SANYO’s original bus format and all the bus

addresses are controlled by SANYO.