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UPD9930 Datasheet(PDF) 1 Page - NEC |
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UPD9930 Datasheet(HTML) 1 Page - NEC |
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1 / 78 page  © 1994,1996 DATA SHEET MOS INTEGRATED CIRCUIT µPD9930 LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE The µPD9930 is a +3 V single power operation, low power consumption linear CODEC LSI developed for digital cellular telephone use. CODEC has a wide dynamic use. This IC also features a microphone/receiver amplifier, a tone generator, DAI (Digital Audio Interface: conforming to GSM11.10), and a power-saving function. These functions can be controlled by microcontroller. In addition, 21 mW (TYP.) low power consumption is enabled during 3 V operation. FEATURES • +3 V single power supply • Low power consumption In operation: 7 mA (TYP.) (VDD = 3 V) In stand-by mode: 50 µA (TYP.) (VDD = 3 V) • CODEC • 13-bit precision linear coding • Transmission level can be controlled by microcontroller. • Analog input/output funciton • Low noise microphone amplifier • High output receiver amplifier Piezo-electric receiver can be directly driven. Gain canbe controlled by microcontroller. • On-chip amplifier for accessory input/output • Tone generator • Frequency, generating pattern and gain can be controlled by microcontroller. • DTMF generation function • Various service tone generation function • GSM triple tone generation function • Desired tone frequency can be registered (0.3 to 3.4 kHz) Document No. S11616EJ2V0DS00 (2nd edition) (Previous No. IC-3342) Date Published November 1996 N Printed in Japan The information in this document is subject to change without notice. • DAI • Conforming to GSM11.10 • Test mode can be set by terminal or microcontroller command. • Stand-by mode • Rise time at time of stand-by clearing: 30.5 ms (TYP.) • Master clock generation PLL (external clock input: 8 kHz) • Tone interrupt pattern output function • Ringer output function ORDERING INFORMATION Part Number Package µPD9930G-22 44-pin plastic QFP (10 × 10 mm) The mark shows major revised points. |
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