PD17012GF-055_15 Datasheet, PDF(79/84 Page) Renesas Technology Corp – SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR CAR-MOUNTED FM/MW/LW RADIO

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PD17012GF-055_15 Datasheet, PDF (79/84 Pages) Renesas Technology Corp – SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR CAR-MOUNTED FM/MW/LW RADIO

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ÂµPD17012GF-055

Appendix 4.2 Volume data output timing

The timing of volume data output to the electronic volume is shown in Figure A-3.

When adjusting the balance fader, output is according to the following procedure.

Figure A-3. Volume Data Output Timing

VOLSDA

VOLSCL

Chip ID Master VOL

VOLUP , VOLDOWN key

Electronic volume display is switched

Master VOL : 0 to 50 steps

: Right front volume data

: Left front volume data

: Right rear volume data

: Left rear volume data

Appendix 4.3 Loudness data output timing

The timing of loudness data output to the electronic volume is shown in Figure A-4.

Figure A-4. Loudness Data Output Timing

VOLSDA

Chip ID

VOLSCL

approx. 2 seconds

Turn on ATT/LOUD key

: Sound/loudness data

Inverts "LOUD" display

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