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STR711FR0T6 Datasheet(PDF) 11 Page - STMicroelectronics |
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STR711FR0T6 Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 49 page STR71xF - INTRODUCTION 11/49 Legend / Abbreviations for Table 3: Type: I = input, O = output, S = supply, HiZ= high impedance, In/Output level: C = CMOS 0.3VDD/0.7VDD CT= CMOS 0.8V / 2V with input trigger TT= TTL 0.3VDD/0.7VDD with input trigger C/T = Programmable levels: CMOS 0.3VDD/0.7VDD or TTL 0.8V / 2V Port and control configuration: – Input: pu/pd= software enabled internal pull-up or pull down pu= in reset state, the internal 100k Ω weak pull-up is enabled. pd = in reset state, the internal 100k Ω weak pull-down is enabled. – Output: OD = open drain (logic level) PP = push-pull T = true OD, (P-Buffer and protection diode to VDD not implemented), 5V tolerant. Table 3. STR710 Pin Description Pin n° Pin Name Input Output Main function (after reset) Alternate function 1A1 P0.10/U1.RX/ U1.TX/ SC.DATA I/O pd CT X4mA T Port 0.10 UART1: Receive Data input UART1: Transmit data output. Note: This pin may be used for Smartcard DataIn/DataOut or single wire UART (half du- plex) if programmed as Alternate Function Output. The pin will be tri-stated except when UART transmission is in progress 2B2 RD OX External Memory Interface: Active low read signal for external memory. It maps to the OE_N input of the ex- ternal components. 3C2 P0.11/ BOOT.1/ U1.TX I/O pd CT 4mA X X Port 0.11 Select Boot Con- figuration input UART1: Transmit data output. 4 C3 P0.12/SC.CLK I/O pd CT 4mA Port 0.12 Smartcard reference clock output 5D1 VSS S Ground voltage for digital I/Os 6D2 V33 S Supply voltage for digital I/Os 7 B1 P2.0/CS.0 I/O pu CT 8mA X X Port 2.0 External Memory Interface: Select Memory Bank 0 output Note: This pin is forced to output mode at re- set to allow boot from external memory 8 C1 P2.1/CS.1 I/O pu 2) CT 8mA X X Port 2.1 External Memory Interface: Select Memory Bank 1 output 9D3 P0.13/U2.RX/ T2.OCMPA I/O pu CT X4mA X X Port 0.13 UART2: Receive Data input Timer2: Output Compare A output 10 D4 P0.14/U2.TX/ T2.ICAPA I/O pu CT 4mA X X Port 0.14 UART2: Transmit data output Timer2: Input Capture A input 11 E1 P2.2/CS.2 I/O pu 2) CT 8mA X X Port 2.2 External Memory Interface: Select Memory Bank 3 output |
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