This is my own paintings for the laboratory-based STM32 of the PCB, schematic and PCB will now all share, map is drawn with PROTEL 99SE. Wiring may be unreasonable, only for your reference. Experimental board resource describes 1) CPU is 100 feet STM32F103XX 2) TFTLCD 3) SD cards 4) 4X4 keypad module and four separate buttons 5) ISP download port and 20-pin JTAG download port 6) RS232 Interface, RS485 Interface, PS/2 Interface, USB Interface 7) I/O port driver buzzer 8) I2C port driven AT24C02 9) three-wire SPI interface, the DS1302 10) single ADC 11) Two LED lights, to facilitate debugging test board

stm32V1_2\Backup of stm32V1_2.PCB
.........\Backup of stm32V1_2.Sch
.........\Backup of stm32V1_2（已铺铜）.PCB
.........\Previous Backup of stm32V1_2（已铺铜）.PCB
.........\STM32v1_1说明文档.doc
.........\stm32V1_2.Ddb
.........\stm32V1_2说明文档.txt
stm32V1_2
smt32学前班.doc

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