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原理图(文件:RS485-CAN-Shield-Schematic).pdf

发布时间：2023-11-28 发布人：admin 分类：养殖 资料大小：0.05M 资料格式：pdf 举报 版权申诉
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    A B C D 1 485 Reciving Circuit 485_RX 485_E 485_TX U1 RO RE DE DI 1 2 3 4 MAX485 VCC B A GND 8 7 6 5 2 C1 104 GND B R1 120R A 485 1 1 2 Header 2 485 2 1 2 Header 2 3V3 GND 3 4 CAN Reciving Circuit GND R2 1K H R3 120R L CAN 1 1 2 Header 2 CAN 2 1 2 Header 2 CAN_TX GND 3V3 CAN_RX 1 2 3 4 U2 D GND VCC R Rs CANH CANL Vref SN65HVD230 8 7 6 5 C2 104 GND 485 RXD/TXD JMP CAN JMP TX1 485_TX TX2 P1 1 3 5 2 4 6 Header 3X2 RX1 485_RX RX2 D14 D15 P3 1 3 2 4 CAN_TX CAN_RX 485 Chip Selection EXTENS POWER P2 2 1 Header 2 485_E D7 1 Header3X2 1 3 5 2 4 6 Header 3X2 3V3 GND 5V 3V3 GND 5V 2 3V3 5V R4 NC R5 NC 3V3 5V C3 104 C4 104 GND GND Extension Interface H3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 H4 D15 D14 AVDD GND D13 D12 D11 D10 D9 TX1 D7 D6 D5 PB_5 D3 RX1 TX2 RX2 NC IOREF NRST 3V3 5V GND GND VIN A0 A1 A2 A3 A4 A5 H1 8 7 6 5 4 3 2 1 1 2 3 4 5 6 H2 3V3 R6 1k PWR_LED GND aveshareW 3 Title Size A4 Date: File: RS485 CAN Shield Number Revision 2015/4/20 E:\PCB\..\RS485 CAN Shield.SchDoc Sheet of Drawn By: 4 A B C D
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