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MICRF505LYML Datasheet(PDF) 5 Page - Micrel Semiconductor |
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MICRF505LYML Datasheet(HTML) 5 Page - Micrel Semiconductor |
5 / 43 page Micrel MICRF505LYML August 2006 5 M9999-092904 +1 408-944-0800 Pin Configuration MICRF505LBML MLF32 LDOen PTATBIAS RFVDD RFGND ANT RFGND VDDIN PABIAS DATACLK DATAIXO IO SCLK CS XTALIn XTALOUT LDOByp MICRF505LYML 32-Pin MLF TM Pin Description Pin Number Pin Name Type Pin Function 1 LDOen I LDO enable, High 2 PTATBIAS O Connection for bias resistor. 3 RFVDD LNA and PA power supply. 4 RFGND LNA and PA ground. 5 ANT I/O Antenna In/Output. 6 RFGND LNA and PA ground. 7 PAbias PA Bias /ASK DATAin 8 VDDin LDO VDDin, Max VDD=6V 9 CIBIAS O Connection for bias resistor. 10 IFVDD IF/mixer power supply. 11 IFGND IF/mixer ground. 12 ICHOUT O Test pin. 13 QCHOUT O Test pin. 14 RSSI O Received signal strength indicator. 15 LD O PLL lock detect. 16 VDDOUT LDO output 17 DATACLK O Rx/Tx data clock out Pin Number Pin Name Type Pin Function 18 DATAIXO I/O RX/TX data input out put 19 IO I/O 3-wire interface data in/output. 20 SCLK I 3-wire interface serial clock. 21 CS I 3-wire interface chip select. 22 XTALIN I Crystal oscillator input. 23 XTALOUT O Crystal oscillator output. 24 LDOByp LDO reference bypass 25 DIGVDD Digital power supply. 26 DIGGND Digital ground. 27 CPOUT O PLL charge pump output. 28 GND Substrate ground. 29 VARIN I VCO varactor. 30 VCOGND VCO ground. 31 VCOVDD VCO power supply. 32 NC No connect,VCO Bias |
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