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AS7221 数据表(PDF) 4 Page - ams AG |
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AS7221 数据表(HTML) 4 Page - ams AG |
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4 / 36 page ![]() Page 4 ams Datasheet Document Feedback [v1-01] 2016-Dec-08 AS7221 − Pin Assignments Figure 3: Pin Diagram of AS7221 (Top View) Figure 4: Pin Description of AS7221 (20 Pin LGA) Pin Number Pin Name Description 1 PWM_3 Digital PWM 3 2 SYNC SYNC input RESN Reset pin, active low 3 SCK SPI serial clock 4MOSI SPI MOSI 5MISO SPI MISO 6 CSN_EE Chip select for the required external serial flash memory, active low 7 CSN_SD Chip select for SD Card interface, active low 8 AUX Auxiliary mode input pin 9 SCL_M I²C master clock pin 10 SDA_M I²C master data pin 11 RX UART RX pin 12 TX UART TX pin Pin Assignments 1 5 610 11 15 16 20 |
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