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AT86RF212 数据表(PDF) 5 Page - ATMEL Corporation |
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AT86RF212 数据表(HTML) 5 Page - ATMEL Corporation |
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5 / 173 page  5 8168A-AVR-06/08 AT86RF212 Pins Name Type Description 10 DIG2 Digital output 1. Antenna Diversity RF switch control (DIG1 inverted), see section 9.3 2. Signal IRQ_2 (RX_START) for RX Frame Time Stamping, see section 9.5 If disabled, internally pulled to DVSS 11 SLP_TR Digital input Controls sleep, transmit start, receive states; active high, see section 4.6 12 DVSS Ground Digital ground 13 DVDD Analog Regulated 1.8 V internal supply voltage; digital domain, see section 7.5 14 DVDD Analog Regulated 1.8 V internal supply voltage; digital domain, see section 7.5 15 DEVDD Supply External supply voltage; digital domain 16 DVSS Ground Digital ground 17 CLKM Digital output Master clock signal output; low if disabled, see section 7.7 18 DVSS Ground Digital ground 19 SCLK Digital input SPI clock 20 MISO Digital output SPI data output (master input slave output) 21 DVSS Ground Digital ground 22 MOSI Digital input SPI data input (master output slave input) 23 /SEL Digital input SPI select, active low 24 IRQ Digital output 1. Interrupt request signal; active high or active low, see section 4.7 2. Buffer-level mode indicator; active high 25 XTAL2 Analog Crystal pin, see sections 2.2.1.3 and 7.7 26 XTAL1 Analog Crystal pin or external clock supply, see section 2.2.1.3 and 7.7 27 AVSS Ground Analog ground 28 EVDD Supply External supply voltage, analog domain 29 AVDD Analog Regulated 1.8 V internal supply voltage; analog domain, see section 7.5 30 AVSS Ground Analog ground 31 AVSS Ground Analog ground 32 AVSS Ground Analog ground Paddle AVSS Ground Analog ground; exposed paddle of QFN package 2.2.1 Analog and RF Pins 2.2.1.1 Supply and Ground Pins EVDD, DEVDD EVDD and DEVDD are analog and digital supply voltage pins of the AT86RF212 radio transceiver. AVDD, DVDD AVDD and DVDD are outputs of the internal voltage regulators and require bypass capacitors for stable operation. The voltage regulators are controlled independently by the radio transceivers state machine and are activated depending on the current radio transceiver state. The voltage regulators can be configured for external supply. For details refer to section 7.5. AVSS, DVSS AVSS and DVSS are analog and digital ground pins respectively. |
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