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RN171 bảng dữ liệu(PDF) 5 Page - Microchip Technology |
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RN171 bảng dữ liệu(HTML) 5 Page - Microchip Technology |
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5 / 30 page  2014-2016 Microchip Technology Inc. DS70005171B-page 5 RN171 TABLE 1-1: PIN DESCRIPTION Pin Symbol Type Description 1 GND Power Ground reference 2 ISP_TX DO In-system programming transmit 3 ISP_RX DI In-system programming receive 4 GPIO9/SD_CLK/SCLK DIO General purpose I/O 9(2,3)/SDIO clock/SD-SPI slave SCLK 5 GPIO8/SD_D3/SS DIO General purpose I/O 8(2,4)/SDIO D3/SD-SPI slave select 6 GPIO7/SD_D2 DIO General purpose I/O 7(2,4)/SDIO D2 7 GPIO6/SD_D1/INT DIO General purpose I/O 6(2,4)/SDIO D1/SD-SPI slave INT 8 GPIO5/SD_D0/MISO DIO General purpose I/O 5(2,4)/SDIO D0/SD-SPI slave MISO 9 GPIO4/SD_CMD/MOSI DIO General purpose I/O 4(2,4)/SDIO CMD/SD-SPI slave MOSI 10 VDD Power Positive supply 11 GPIO3 DIO General purpose I/O 3(2,3) 12 GPIO2 DIO General purpose I/O 2(2,3) 13 GPIO1 DIO General purpose I/O 1(2,3) 14 GND Power Ground reference 15 SPI_CS DO SPI master chip select to internal Flash memory chip select. (Do not connect.) 16 SPI_MISO DI SPI master data Input to internal Flash memory data output. (Do not connect.) 17 SPI_SCK DO SPI master clock to internal Flash memory clock. (Do not connect.) 18 SPI_MOSI DO SPI master data output to internal Flash memory data input. (Do not connect.) 19 FLASH_POWER Power Internal Flash memory power. (Do not connect.) 20 GND Power Ground reference 21 GND Power Ground reference 22 GND Power Ground reference 23 GND Power Ground reference 24 ANT AIO RF antenna. 50Ω impedance 25 GND Power Ground reference 26 GND Power Ground reference 27 GND Power Ground reference 28 GND Power Ground reference 29 SENSOR0 AI Sensor interface 0(5) 30 SENSOR1 AI Sensor interface 1(5) 31 SENSOR2 AI Sensor interface 2(5) 32 SENSOR3 AI Sensor interface 3(5) 33 SENSOR_POWER Power Sensor power 34 VDD Power Positive supply Note 1: Pin type abbreviation: A = Analog, D = Digital, I = Input, O = Output. 2: Refer to Electrical Specifications for GPIO voltage and current limitations. 3: Digital input/output (bidirectional) 8 mA drive, ~83 K internal pull-down. 3.3V tolerant. Reset State: Pull-down. 4: Digital input/output (bidirectional) 24 mA drive, no internal pull-down. 3.3V tolerant. Reset State: High-Z. Do not allow to float. 5: Analog input. 0-400 mV (Do not exceed 1.2V DC) |
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