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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RFM219SW датащи(PDF) 7 Page - HOPE Microelectronics CO., Ltd. |
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RFM219SW датащи(HTML) 7 Page - HOPE Microelectronics CO., Ltd. |
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7 / 35 page  RFM219SW www.hoperf.com Rev 1.0 | Page 7/35 E-mail:sales@hoperf.com 2. Pin Descriptions Figure 2. Pin Diagram Table 6. RFM219SW Pin Descriptions Pin Number Name I/O Descriptions 1 ANT I RF signal input to the LNA 2 VDD I Power supply input, 1.8 V to 3.6 V 3,14 GND I Ground 4 CSB I 4-wire SPI chip select input, active low, internally pulled high 5 SDA IO 4-wire SPI data input and output 6 SCL I 4-wire SPI clock input, internally pulled low 7 FCSB I 4-wire SPI FIFO select input, active low. leave floating when programming the EEPROM, internally pulled high 8 GPO4 O General purpose output, options are: DOUT (Default), INT1, INT2 and DCLK 9 GPO3 O General purpose output, options are: CLKO (Default), INT1, INT2 and DOUT 10, 11 NC -- Not Connected 12 GPO2 O General purpose output, options are: INT1 (Default), INT2 and DCLK 13 GPO1 O General purpose output, options are: nRSTO (Default), INT1, INT2 and DOUT |
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