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CX20470 Datasheet(PDF) 11 Page - Skyworks Solutions Inc. |
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CX20470 Datasheet(HTML) 11 Page - Skyworks Solutions Inc. |
11 / 18 page CDMA BAP CX20470 101106A Skyworks – Preliminary 11 August 24, 2000 Proprietary Information and Specifications are Subject to Change Table 2. CX20470 BAP Signal Description: 56-Pin LGA Package (1 of 2) Pin # Name I/O Type Description 1 QOFFSET A,I,Z Q ADC input offset adjust signal input. 2 RXQ/ A,I,Z Baseband receive quadrature analog differential input. 3 RXQ A,I,Z Baseband receive quadrature analog differential input. 4 RXI/ A,I,Z Baseband receive analog differential input. 5 RXI A,I,Z Baseband receive analog differential input. 6 ADC_IN1 A,I,Z Monitor A/D analog independent input for voltage sense input. 7 ADC_IN0 A,I,Z Monitor A/D analog independent input for voltage sense input. 8 AVSSSY1 PG Analog ground VSS input. 9 TXPDOUT A,O Transmit synthesizer (TX PLL) phase detector charge pump output. 10 AVDDSY1 P,G Analog VDD input. 11 TXPLLIN/ A,I,Z Transmit synthesizer divider differential input (–) from the external VCO buffer. 12 TXPLLIN A,I,Z Transmit synthesizer divider differential input (+) from the external VCO buffer. 13 SYNENA D,I,Z Synthesizer three-wire serial interface enable. 14 LOCK A,O,L Lock detect indicator for the receive and transmit VHF synthesizers. 15 SYNDATA D,I,Z Synthesizer three-wire serial interface data input. 16 SYNCLK D,I,Z Synthesizer three-wire serial interface clock input. 17 IDLE/ D,I,Z CDMA idle or FM idle modes are enabled when this input is low and SLEEP/ is high. 18 SLEEP/ D,I,Z CDMA sleep mode is enabled when this input pin is low and FM/ is high. 19 AVSS_TX PG Analog ground input. 20 AVDD_TX PG Analog VDD input. 21 PDBTCXO D,I,Z When this signal is activated, the BAP will power-down its TCXO buffer input clock. 22 TXQ/ A,O,Z Baseband transmit quadrature analog differential output (–). 23 TXQ A,O,Z Baseband transmit quadrature analog differential output (+). 24 TXI/ A,O,Z Baseband transmit in-phase analog differential output. 25 TXI A,O,Z Baseband transmit in-phase analog differential output. 26 TCXO A,I,Z TCXO 19.2/19.68/19.8 MHz clock input. 27 TCXO/4 D,O,L This signal, typically 4.92 MHz, is digitally synthesized from the TCXO input clock. 28 TXD0 D,I,Z Transmit digital 8-bit data from MSM (bit 0). 29 TXD1 D,I,Z Transmit digital 8-bit data from MSM (bit 1). 30 TXD2 D,I,Z Transmit digital 8-bit data from MSM (bit 2). 31 TXD3 or TXQIN/ D,I or AI Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 3) for digital TX data input or TX Q channel analog differential input (–) for MSM3100 interface mode. 32 TXD4 or TXQIN D,I or A,I Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 4) for digital TX data input or TX Q channel analog differential input (+) for MSM3100 interface mode. 33 TXD5 or TXIIN/ D,I or A,I Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 5) for digital TX data input, or TX I channel analog differential input (–) for MSM3100 interface mode. 34 TXD6 or TXIIN D,I or A,I Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 6) for digital TX data input, or TX I channel analog differential input (+) for MSM3100 interface mode. 35 TXD7 or IREF D,O or A,O Configurable pin. Can be configured to be transmit digital 8-bit data from MSM (bit 7) for digital transmit data input mode, or IREF current output for MSM3100 interface mode |
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