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MC44BS373CADR2 数据表(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC44BS373CADR2 数据表(HTML) 4 Page - Freescale Semiconductor, Inc |
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4 / 52 page ![]() MC44BS373CA Data Sheet Pin Descriptions Pin Descriptions 3.2 QFN20 Package Pin Descriptions The pins of the 20-pin package are listed in Table 2, along with a description of each. Table 2. QFN20 Package Pin Descriptions Pin Name Description 1 LOP Logical output port controlled by I2C bus 2 CAS Chip address selection (external pull-down resistor or open) 3XTAL Crystal 4 GND Ground 5 PREEM Pre-emphasis capacitor 6 AUDIO Audio input 7 SPLLFLT Sound PLL loop filter 8 AUXIN Sound auxiliary input (sound FM and AM modulators bypassed) 9 VIDEO Video input 10 VCCA Main analog supply voltage 11 NC Not connected 12 GND Analog ground 13 NC Not connected 14 TVOUT TV output signal 15 TVOVCC TV output stage supply voltage 16 PLLFLT RF PLL loop filter 17 VCCD Digital supply voltage 18 GNDD Digital ground 19 SCL I2C clock 20 SDA I2C data |
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