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LC72714W Datasheet

  • LC72714W

  • Mobile FM Multiplex Broadcast IC with On-Chip VICS Decoder

  • 29頁

  • SANYO

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Ordering number : ENN6871A
CMOS IC
LC72714W
Mobile FM Multiplex Broadcast IC
with On-Chip VICS Decoder
Overview
The LC72714W is 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
LC72714W is an improved version of the LC72710W that
features circuit improvements that allow a single tuner to
receive both the VICS data and the dGPS data supported
by the earlier device. Note that a contract with VICS
Center is required to evaluate this sample IC and to
produce end products that support VICS.
鈥?7.2 MHz crystal oscillator circuit
鈥?Two power saving modes: STNBY and EC STOP
鈥?Dedicated frame synchronization circuit for
simultaneous reception of dGPS and VICS data
鈥?Applications can use either a parallel CPU interface
(DMA) or a CCB serial interface.
鈥?Supply voltage: 2.7 to 3.6 V
Package Dimensions
unit: mm
3190-SQFP64
[LC72714W]
12.0
10.0
1.25
48
49
Functions
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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
0.5
0.18
1.25
33
32
0.15
12.0
10.0
0.5
1.25
64
17
1
16
鈥?/div>
鈥?/div>
鈥?/div>
0.5
SANYO: SQFP64
鈥?CCB is a trademark of SANYO ELECTRIC CO., LTD.
鈥?CCB is SANYO鈥檚 original bus format and all the bus
addresses are controlled by SANYO.
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鈥檚
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
92001TN (OT) No. 6871-1/29
0.1
0.5
1.7max
1.25

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