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ST7GEME4U1 датащи(PDF) 8 Page - STMicroelectronics |
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ST7GEME4U1 датащи(HTML) 8 Page - STMicroelectronics |
8 / 28 page Pin description ST7GEME4 8/28 Legend / Abbreviations ● Type: I = input, O = output, S = supply ● In/Output level: CT = CMOS 0.3VDD/0.7VDD with input trigger ● Output level: HS = 10mA high sink (on N-buffer only) ● Port and control configuration: – Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog – Output: OD = open drain, PP = push-pull Table 2. Pin description Pin number Pin name Level Port / Control Main function (after reset) Alternate function Input Output 2 5 CRDRST O CT X X Smartcard reset 3 6 CRDCLK O CT X X Smartcard clock 47 C4 O CT X X Smartcard C4 5 8 CRDIO I/O CT X X X Smartcard I/O 69 C8 O CT X X Smartcard C8 7 10 CRDDET I C T X Smartcard detection 811 PA0/WAKUP2/ ICCDATA I/O CT XX X X Port A0 Interrupt, In-circuit communication data input 912 PA1/WAKUP2/ ICCCLK I/O CT XX X X Port A1 Interrupt, In-circuit communication clock input 11 14 OSCIN C T Input/output oscillator pins. These pins connect a 4 MHz parallel-resonant crystal, or an external source to the on-chip oscillator. 12 15 OSCOUT CT 13 16 VPP S Must be held low in normal operating mode. 14 17 PA6 I C T PA6 15 18 LED0 O HS X Constant current output 16 19 DM I/O CT USB Data Minus line 17 20 DP I/O CT USB Data Plus line 18 21 USBVCC O CT 3.3 V output for USB 19 22 VDDA S Power Supply voltage 4-5.5 V 20 23 VDD S Power Supply voltage 4-5.5 V 21 24 SELF O CT An external inductance must be connected to these pins for the step up converter 22 1 DIODE S CT An external diode must be connected to this pin for the step up converter |
Аналогичный номер детали - ST7GEME4U1 |
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Аналогичное описание - ST7GEME4U1 |
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