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ST5481 数据表(PDF) 4 Page - STMicroelectronics |
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ST5481 数据表(HTML) 4 Page - STMicroelectronics |
4 / 18 page ST5481 4/18 3.2 - PLL An internal oscillator provides a 15.36MHz clock for S interface from an external 15.36MHz crystal. From this clock, the analog block PLL provides a 48MHz clock for USB data rate recovering. 35 GNDD2 I Digital ground 36 CFG0_TEST0 I/O CFG0 input for configuration when closed or open mode else test9 37 FLTPLL In analog Used to adjust the internal PLL filter 38 XTALOUT O Tied to 15.36MHz external crystal 39 XTALIN I Tied to 15.36MHz external crystal 40 GPIO0 I/O General purpose input-output pin 2mA 41 GPIO1 I/O General purpose input-output pin 2mA 42 GPIO2 I/O General purpose input-output pin 2mA 43 GPIO3 I/O General purpose input-output pin 2mA 44 GNDD1 I Digital ground 45 GPIO4 I/O General purpose input-output pin 4mA 46 GPIO5 I/O General purpose input-output pin 4mA 47 GPIO6 I/O General purpose input-output pin 4mA 48 GPIO7 I/O General purpose input-output pin 4mA Pin Name Type Function |
类似零件编号 - ST5481 |
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类似说明 - ST5481 |
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