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ATA8205 Datasheet(PDF) 4 Page - ATMEL Corporation |
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ATA8205 Datasheet(HTML) 4 Page - ATMEL Corporation |
4 / 46 page 4 9121B–INDCO–04/09 ATA8203/ATA8204/ATA8205 2. Pin Configuration Figure 2-1. Pinning SSO20 TEST1 RSSI LNA_IN LNAGND AGND LNAREF SENS IC_ACTIVE CDEM AVCC ATA8203/ ATA8204/ ATA8205 5 6 9 10 7 8 1 2 3 4 MODE DVCC TEST3 TEST2 XTAL2 XTAL1 DATA POLLING/_ON DGND DATA_CLK 16 15 12 11 14 13 20 19 18 17 Table 2-1. Pin Description Pin Symbol Function 1 SENS Sensitivity-control resistor 2 IC_ACTIVE IC condition indicator: Low = sleep mode, High = active mode 3 CDEM Lower cut-off frequency data filter 4 AVCC Analog power supply 5 TEST 1 Test pin, during operation at GND 6 RSSI RSSI output 7 AGND Analog ground 8 LNAREF High-frequency reference node LNA and mixer 9 LNA_IN RF input 10 LNAGND DC ground LNA and mixer 11 TEST 2 Do not connect during operating 12 TEST 3 Test pin, during operation at GND 13 XTAL1 Crystal oscillator XTAL connection 1 14 XTAL2 Crystal oscillator XTAL connection 2 15 DVCC Digital power supply 16 MODE Selecting 315 MHz/other versions Low: 315 MHz version (ATA8203) High: 433 MHz/868 MHz versions (ATA8204/ATA8205) 17 DATA_CLK Bit clock of data stream 18 DGND Digital ground 19 POLLING/_ON Selects polling or receiving mode; Low: receiving mode, High: polling mode 20 DATA Data output/configuration input |
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