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ST72411T1 数据表(PDF) 6 Page - STMicroelectronics |
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ST72411T1 数据表(HTML) 6 Page - STMicroelectronics |
6 / 71 page ST72411R 6/71 PIN DESCRIPTION (Cont’d) Legend / Abbreviations: Type: I = input, O = output, S = supply Output level: SC = powered by VSC_PWR smartcard power, HS = high sink (on N-buffer only) Input level: C = CMOS : 0.3VDD/0.7VDD, SC = CMOS : 0.3VSC_PWR / 0.7VSC_PWR Port configuration capabilities: – Input:float = floating, wpu = weak pull-up, int = interrupt, wpd = weak pull-down – Output: OD = open drain, T = true open drain, PP = push-pull Note: Reset configuration of each pin is bold. Table 1. Device Pin Description Pin n ° Pin Name Level Port Main function (after reset) Alternate function Inpu t Outp ut 1 ... 4 S28 ... S31 O LCD Segment outputs 5 RESET I/O Top priority non maskable interrupt. 6 OSC_SEL / ISP_SEL I This pin acts as the Remote ISP mode and oscillator selection. 7 PA7 I/O C X EI0 X X Port A7 8 NC Not Connected 9 PA6 I/O C X EI0 X X Port A6 10 NC Not Connected 11 PA5 I/O C X EI0 X X Port A5 12 PA4 I/O C X EI0 X X Port A4 13 PA3 I/O C X EI0 X X Port A3 14 PA2 / ISPCLK2 I/O C X EI0 X X Port A2 ISP Clock line 2 15 PA1 / ISPDATA2 I/O C X EI0 X X Port A1 ISP Data line 2 16 PA0 / TIMIO I/O C X EI0 X X Port A0 8-bit Timer I/O 17 NC Not Connected 18 VREF 1) I Analog input for battery power monitoring 19 PB6 I/O C X EI1 X X Port B6 20 PB5 I/O C X EI1 X X Port B5 21 PB4(SC) I/O SC SC X EI1 X X Port B4 (Smartcard) 22 PB3(SC) I/O SC SC X EI1 X X Port B3 (Smartcard) 23 PB2(SC_CK) / ISPCLK1 I/O SC SC X EI1 X X Port B2 (Smartcard clock) ISP Clock line 1 24 PB1(SC_DATA) / ISPDATA1 I/O SC SC X XX Port B1 (Smartcard Data) ISP Data line 1 EI1 25 PB0(SC) I/O SC SC X EI1 X X Port B0 (Smartcard) 26 SC_PWR O Smartcard Regulated Supply Output 27 VDDA S Analog Power Supply Voltage 28 VDD S Digital Main Supply Voltage |
类似零件编号 - ST72411T1 |
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类似说明 - ST72411T1 |
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