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UM1018 Arkusz danych(PDF) 35 Page - STMicroelectronics |
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UM1018 Arkusz danych(HTML) 35 Page - STMicroelectronics |
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35 / 42 page ![]() Figure 21. RS-232 and IrDA 1 1 2 2 3 3 4 4 D D C C B B A A STMicroelectronics Title: Number: Rev: Sheet of B.4(PCB.SCH) Date: 9/7/2011 USART2/IrDA_TX USART2/IrDA_CTS SD 5 TxD 3 GND 8 Anode (VCC2) 1 Cathode 2 RxD 4 VCC1 6 NC 7 U17 TFDU6300 R55 5 R60 47 C47 100nF +3V3 C40 4.7uF IrDA JP9 C2+ 1 C2- 2 V- 3 R1IN 4 R2IN 5 R3IN 6 R4IN 7 R5IN 8 T1OUT 9 T2OUT 10 T3OUT 11 T3IN 12 T2IN 13 T1IN 14 R5OUT 15 R4OUT 16 R3OUT 17 R2OUT 18 R1OUT 19 R2OUTB 20 R1OUTB 21 nSHDN 22 nEN 23 C1- 24 GND 25 VCC 26 V+ 27 C1+ 28 U8 ST3241EBPR C16 100nF C19 100nF C14 100nF C15 100nF C20 100nF +3V3 1 6 2 7 3 8 4 9 5 CN2 DB9-male USART2 +3V3 Bootloader_RESET MB819 9 14 STM32L152-EVAL RS232&IrDA Bootloader_BOOT0 VCCA 1 A1 2 A2 3 GND 4 DIR 5 B2 6 B1 7 VCCB 8 U2 SN74LVC2T45DCUT +3V3 VDD VCCA 1 A1 2 A2 3 GND 4 DIR 5 B2 6 B1 7 VCCB 8 U4 SN74LVC2T45DCUT +3V3 VDD VDD R19 0 R20 0 C9 100nF C8 100nF C4 100nF C1 100nF 1 6 2 7 3 8 4 9 5 CN5 DB9-male USART3 USART2_RTS USART2_TXD USART3_TXD USART2_RXD USART2_CTS USART3_RXD USART2_TXD USART2_RXD USART2_CTS USART2_RTS USART2_TXD USART2/IrDA_RX USART2/IrDA_RTS USART3_TX USART3_RX RXD RTS TXD CTS RXD TXD R46 [N/A] VCCA 1 A1 2 A2 3 GND 4 DIR 5 B2 6 B1 7 VCCB 8 U5 SN74LVC2T45DCUT +3V3 VDD VCCA 1 A1 2 A2 3 GND 4 DIR 5 B2 6 B1 7 VCCB 8 U3 SN74LVC2T45DCUT +3V3 VDD VDD R11 0 C12 100nF C10 100nF C2 100nF C3 100nF USART3_RXD USART3_TXD 1 2 3 JP5 IrDA_RXD IrDA_RXD PD5 PD3 PD6 PD4 PC10 PC11 R21 100K R12 100K R44 100K VDD VDD DSR C44 100nF C48 4.7uF |
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