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UPD17012GF-058 Datasheet(Fiches technique) 1 Page - NEC

Numéro de pièce UPD17012GF-058
Description  PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER AUTOMOBILE APPLICATION
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Fabricant  NEC [NEC]
Site Internet  http://www.nec.com/
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PLL FREQUENCY SYNTHESIZER AND CONTROLLER
FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)
PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD17012GF-058
Document No. U12506EJ1V0DS00 (1st edition)
Date Published July 1997 J
Printed in Japan
©
1990
The
µPD17012GF-058 is a CMOS LSI chip designed for use in FM/MW/LW tuners utilizing a PLL frequency
synthesizer design for worldwide applications.
The device incorporates a PLL frequency synthesizer controller, prescaler, and frequency counter. The device
enables detachable stereo systems, and is ideal for use in electronic volume control circuits for automobile
applications, high-performance FM/MW/LW tuners with a clock, and similar applications where compact dimensions
are essential.
FEATURES
Capable of receiving broadcasts from stations in all of the world’s FM and MW bands, as well as the European
LW band
Applicable to AM up-conversion
Many preset functions including manual tuning, auto-tuning (seek, scan), and preset memory scanning
Independent preset memory with six buttons: up to 18 FM stations (six stations, each enabling the setting of FM1,
FM2, and FM3), up to 12 MW stations (six stations, each enabling the setting of MW1 and MW2), and up to six
LW stations
Last channel memory for three FM stations, two MW stations, and one LW station
ST (stereo) display (The ST display is also supported for the MW band.)
Display and control output of MTL (METAL)
Auto-preset memory function
•“
” (compact disc)/“
” (cassette tape) display
LOUD (loudness) control output and display
Clock function for 12-hour or 24-hour clock display
Compatible with the external LCD controller/driver (
µPD7225)
Built-in prescaler and frequency counter
Remote-controller signal receiving function (when the
µPD6121 is used for transmitting signals)
Detachable keys (or key section) and LCD panel
Electronic volume control function (compatible with the I2C bus)
Alarm function
ORDERING INFORMATION
Part number
Package
µPD17012GF-058-3BE
64-pin plastic QFP (14
× 20 mm, 1.0 mm pitch)
1997
The information in this document is subject to change without notice.




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