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SN8F22721B Datasheet(PDF) 10 Page - SONiX Technology Company |
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SN8F22721B Datasheet(HTML) 10 Page - SONiX Technology Company |
10 / 111 page SN8F2270B Series USB 2.0 Low-Speed 8-Bit Micro-Controller SONiX TECHNOLOGY CO., LTD Page 10 Version 1.2 1.4 PIN DESCRIPTIONS PIN NAME TYPE DESCRIPTION VDD, VSS P Power supply input pins for digital circuit. P0.0/INT0 I/O P0.0: Port 0.0 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. Built wakeup function. INT0: External interrupt 0 input pin. P0.1/INT1 I/O P0.1: Port 0.1 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. Built wakeup function. INT1: External interrupt 1 input pin. P0.2 I/O P0.2: Port 0.2 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. Built wakeup function. P1[5:0] I/O P1: Port 1 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. Built wakeup function. P1.6/RST I/O RST is system external reset input pin under Ext_RST mode, Schmitt trigger structure, active “low”, and normal stay to “high”. P1.6: Port 1.6 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. Built wakeup function. P5.0/SCK I/O P5.0: Port 5.0 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. SCK: SIO output clock pin. P5.1 /SDI I/O P5.1: Port 5.1 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. SDI: SIO data input pin. P5.2/SDO I/O P5.2: Port 5.2 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. SDO: SIO data output pin. P5.3/PWM0 I/O P5: Port 5 bi-direction pin. Schmitt trigger structure and built-in pull-up resisters as input mode. PWM0: PMW output pin. VREG25 P 2.5V power pin. Please connect 1uF capacitor to GND. VREG33 P 3.3V power pin. Please connect XuF capacitor to GND. X=1~10. D+, D- I/O USB differential data line. |
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