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M61101FP Datasheet(PDF) 6 Page - Renesas Technology Corp |
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M61101FP Datasheet(HTML) 6 Page - Renesas Technology Corp |
6 / 19 page M61101FP Rev.1.2 Apr 11, 2005 page 6 of 18 No. Name Function Pin’s voltage Internal equivalent circuit 6 Audio / SIF SW Selector SW for AUDIO OUT and SIF OUT. OPEN: AUDIO OUT GND: SIF OUT 3.3V 6 7 3K 100K 7 SIF VCC The power supply terminal of SIF. 3.3V 7 8 AUDIO OUT AUDIO output and SIF output terminals. This terminal needs de-emphasis characteristics for external. As described the following figure, the terminal voltage is the center voltage value of output signal. 1.8V 200 AUDIO OUT : 0. 8mA SIF OUT : 1. 0mA 8 7 CMOS SW SIF OUT AUDIO OUT 4K 9 AUDIO F/B AF Bypass terminal. AUDIO F/B pin is connected to one or the other input of differential amplifier and could be got the gain by smoothing a sound signal with external capacity. When connecting the resistance in series with the capacity, this terminal enable to lower the amplitude of audio input. 1.5V 50K 50K 250 250 100 7 9 10 SIF GND GND terminal of SIF. GND 10 11 NC NC terminal. — 12 LOGIC GND GND terminal of Logic block and Ref Amplifier. GND 12 13 Ref Input (JP/US SW) Input terminal of reference frequency. This terminal inputs the external signal(sine wave) and doubles as JP/US selector SW. In case of no connection between Ref input pin and GND: JPN(58.75M) In case of 10k Ωconnection: USA(45.75M) 2.0V 5K 4K 4K 1.2 V 200 µA 14 13 100 200 To REF AMP To JP/US SW 2V 100K 30K µA 14 Logic Vcc Power supply voltage terminal of logic block and ref amplifier. 3.3V 14 15 NC NC terminal. — |
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