STM32F103最小系统介绍

2
2
1
A K
2
VDD5V
2
D2
1
+ C1
1 2
3 4 5
1
C2 100nF
+ C3 10u
C4 100nF
R1 1k
2
100u
AVDD
L10 22uH VDD33V A Title Size B Date: File: 3-Aug-2009 E:\protel\Cortex M3\M3.ddb Sheet of Drawn By: 6 Number Revision
1
2
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3
4
5
6
J3 NTRST TDI TMS/SWDIO TCK/SWCLK XATL1 20p D C16 XATL2 PB7 20p C17 RTCX1 10p 2 1 VDD33V 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 TIM4_CH1定时器捕获 Y1 8M TDO RESET# TDI TCK_SWCLK 1 2 3 4 5 6 7
VDD5VU3 LM1117-3.3 3 Vin Vout
VDD33V 2 1 A
D3 1 LED 2 K
1
1
L9 1 22uH
VDD33V 2 2 C7 104P C8 104P C9 104P C10 104P C11 104P C12 104P
2
1
1
2
1 A
2
1
1 2 SMBJ12A
2
1
IN4007 TVS
R2 240 R89 200
+
C14 1u
ADC4 ADC5 ADC6 ADC7
2
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 VDD33V D4 LED
B
J1 CON2 1 2
Vin GND
GND
FUSE SMD050
U2 AS1205S -Vo 0 +Vo 1
C18 10p D1 1 U5 C VDD33V 1 2 3 4 /MR VCC GND PFI SP706SEN
RTCX2
VDD33V PC13 RTCX1 RTCX2 XATL1 XATL2 RESET# 8 7 6 5 RESET# R3 1 1 2 0 2 PC13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
C15
J4 1 D
CON7 CON1
NTRST TDO
VDD33V R4 1k D6 LED U6 U1 VDD_2 VSS_2 PA13 PA12 PA11 PA10 PA9 PA8 PC9 PC8 PB7 PC6 PB15 PB14 PB13 PB12 VDD33V 48 47 TMS_SWDIO 46 45 44 UART1_RX 43 42 UART1_TX 41 40 39 38 37 36 35 34 33 8 7 6 5 4 3 2 1 UART1_RX 1 PB6 R6 VDD33V RP1 1 2 3 4 5 6 7 8 9 CON9 S1 SW DIP-8 STM32F103 VDD33V 9 10 11 12 13 14 15 16 D5 LED R5 1k VDD33V VDD33V 10k 2 3 UART1_TX 4 RO RE DE DI VCC B A GND 8 J2 7 6 5 R8 510 C RS485B RS485A 1 2 CON2 VDD33V R7 510
+
C5 47uF
C6 104P
1
2
3
2 4
5
A K 1N4148
2
/WDO /RESET WDI /PFO
AVDD ADC0 ADC1 ADC2
VBAT PC13-TAMPER-RTC PC14-OSC32_IN PC15-OSC32_OUT PD0 OSC_IN PD1 OSC_OUT NRST PC0 PC1 PC2 PC3 VSSA VDDA PA0-WKUP PA1 PA2 PA3 VSS_4 VDD_4 PA4 PA5 PA6 PA7 PC4 PV5 PB0 PB1 PB2 PB10 PB11 VSS_1 VDD_1
VDD_3 VSS_3 PB9 PB8 BOOT0 PB7 PB6 PB5 PB4 PB3 PD2 PC12 PC11 PC10 PA15 PA14
Y2 CRYSTAL32 3 4
MAX3485
VDD33V 1 Vin
LM317H +Vout ADJ
U4 3 VCC1V5
ADC3
C13 104p B R88 100