资料介绍
ST32原理图1
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VCC-5V 3.3V U1B 13 VDDA 32 VDD_1 48 VDD_2 64 VDD_3 19 VDD_4 BAT 1 VBAT
1
gnd
LM1117-3.3V U2 3 2 Vin Vout 4 Vout
3.3V
C1 A C3 C10uF C104
A
12 VSSA 31 VSS_1 47 VSS_2 63 VSS_3 18 VSS_4
C2 C104
STM32F103RBT6 开发板默认 BAT电源使用线路板跳线 (在引出针的焊盘间 )连接到 3,3V,如外接电池时请断开 3.3V R1 10K E_RESET C4 C104 USB_EN TXD1 RXD1 USB_DM USB_DP TMS TCK TDI C5 XTAL1 2 Y1 8MHZ XTAL2 2 C30P C7 C6P C8 C6 RTCX1 Y2 32.768K RTCX2 BOOT1 TDO TRST PB00 PB01 PB02 PB03 PB04 PB05 PB06 PB07 PB08 PB09 PB10 PB11 PB12 PB13 PB14 PB15 TXD2 RXD2 PA00 PA01 PA02 PA03 PA04 PA05 PA06 PA07 PA08 PA09 PA10 PA11 PA12 PA13 PA14 PA15 U1A 14 PA0-WKUP/USART2_CTS/ADC_IN0/TIM2_CH1_ETR 15 PA1/USART2_RTS/ADC_IN1/TIM2_CH2 16 PA2/USART2_TX/ADC_IN2/TIM2_CH3 17 PA3/USART2_RX/ADC_IN3/TIM2_CH4 20 PA4/SPI1_NSS/USART2_CK/ADC_IN4 21 PA
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