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S1M8662A Datasheet(PDF) 5 Page - Samsung semiconductor |
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S1M8662A Datasheet(HTML) 5 Page - Samsung semiconductor |
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5 / 22 page  RX IF/BBA WITH GPS S1M8662A (Preliminary) 5 PIN DESCRIPTION (Continued) Pin No Symbol I/O Description 24 25 26 27 RXQD3 RXQD2 RXQD1 RXQD0 DO Q Channel 4-bit A-D Converter's digital outputs, which are connected to the modem data input pins. These data are synchronized at CHIP ×8's rising edge and output. Because they are valid at the falling edge, the data are latched at the falling edge in the modem. 28 VDDM DI Power source for a logic circuit ,related to the digital input /output, connected to an external digital logic such as the modem. 29 30 31 32 RXQD3 RXQD2 RXQD1 RXQD0 DO I Channel 4-bit A-D Converter's digital outputs, which are connected to the modem data input pins. These data are synchronized at CHIP ×8's rising edge and output. Because they are valid at the falling edge, the data are latched at the falling edge in the modem. Table 1. S1M8660A and S1M8662A Function & Control Content Comparison Function / Mode Control S1M8660A S1M8662A Operation Modes CDMA (Cellular CDMA, PCS) • • AMPS (FM) • Global Positioning System (GPS) • • IF AGC 90dB Range CDMA (Cellular CDMA, PCS) • • AMPS (FM) • Global Positioning System (GPS) • • IF to Analog Baseband Quadrature Down-Conversion CDMA (Cellular CDMA, PCS) • • AMPS (FM) • Global Positioning System (GPS) • • Low Pass Baseband I/Q Filtering with Mode Specific Performance CDMA (Cellular CDMA, PCS) • • AMPS (FM) • Global Positioning System (GPS) • • 4-bit I/Q Analog to Digital Converters, Parallel Outputs CDMA (Cellular CDMA, PCS) • • Global Positioning System (GPS) • • 8-bit I/Q Analog to Digital Converters, Serial Outputs AMPS (FM) • Rx Slotting Operation for Saving Current Consumption • • Clock Generation TCXO/N Output • ∆ (N=1) Configurable CHIPx8 as Input or Output • ∆ (Input) VCO for Generation the Rx IF LO • • Analog Baseband Amplifiers with I/Q Offset Controls • • |
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