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DESCRIPTION

The μPD17071GB-012 is a CMOS microcontroller with an on-chip PLL frequency synthesizer for receiving international FM and AM and Japanese TV broadcasting.

In addition, because it includes a prescaler (230 MHz MAX.), IF counter, and LCD controller/driver, it constitutes a high-performance, multi-function FM, AM, or TV tuner on a single chip.

Housed in a 56-pin QFP and driven by two dry cells at a low voltage (VDD = 1.8 to 3.6 V), the μPD17071GB-012 is ideal for creating a compact portable clock radio and radio cassette recorder.

FEATURES

? Preset memory

Three bands: FM, AM, and Japanese TV (1 to 12 channels)

10 stations for each band, totaling 30 stations

? Last channel memory

One station for each band, totaling 3 stations

? Tuning function

? Manual seek/auto seek

? Auto store memory

? Preset memory call

? LCD controller/driver

(1/4 duty, 1/2 bias, 3.1-V driven, frame frequency: 62.5 Hz)

? Watch function

12-hour or 24-hour indication

? Alarm function

Outputs alarm sound at set time every day

? Sleep timer function

Turns off radio after set time

(Time can be set in a range of 30 to 120 minutes in units of 30 minutes.)

? Low-voltage operation

VDD = 1.8 to 3.6 V