1
2
3
4
5
6
L1
BF
3.3VD
U1
C1
JP1
STM32F103RB
0.1uF
+5V
1
2
3
4
5
6
7
8
9
R1
D0
D1
D2
D3
D4
D5
D6
D7
14
15
16
17
20
21
22
23
41
42
43
4
DAC_SCLK1
3.3VD
L2
X1
VCC
PA0-WKUP/USART2_CTS/ADC_IN0/TIM2_CH1_ETR
PA1/USART2_RTS/ADC_IN1/TIM2_CH2
PA2/USART2_TX/ADC_IN2/TIM2_CH3
PA3/USART2_RX/ADC_IN3/TIM2_CH4
PA4/SPI1_NSS/USART2_CK/ADC_IN4
PA5/SPI1_SCK/ADC_IN5
PC15_OSC32_OUT(4)
PC14_OSC32_IN(4)
0.1uF
C2
LCD_RS
LCD_RW
LCD_EN1
4
1
3
2
OUT
GND
10K
R8
1.1K
U2
Vout SYNC
BF
1
2
3
6
5
4
DAC_SYNC1
DAC_SCLK1
DAC_DIN1
D0
D1
D2
D3
D4
D5
D6
A
B
C
D
3
2
DAC_SYNC1
DAC_DIN2
A
B
C
NC
C23
0.1uF
GND
3.3VD
GND
Sclk
Din
30MHZ/100Mhz
10
11
12
13
14
15
16
PC13_ANTI_TAMP(4)
PC12
Vdd
53
52
51
40
39
38
37
25
24
11
10
9
KEY_4
+5V
D7
3.3VD
3.3VA
C24
0.1uF
DAC7512
PA6/SPI1_MISO/ADC_IN6/TIM3_CH1
PA7/SPI1_MOSI/ADC_IN7/TIM3_CH2
PA8/USART1_CK/TIM1_CH1/MCO
PA9/USART1_TX/TIM1_CH2
KEY_3
U4
PC11
AD9850BRS/AD9851BRS
USB_DISCON
LCD
PC10
9
PC9
REFCLOCK
17
R11
UART1_TX
UART1_RX
D0
D1
D2
D3
D4
D5
D6
D7
4
3
2
VINN
D0_LSB
D1
D2
D3
D4
D5
D6
DACBP
12
R9
E1
PC8
RSET
200
C38
SMA
S1
5K
PA10/USART1_RX/TIM1_CH3
KEY_2
KEY_1
1
C34
C36
C3
PC7
PA11_USB_DM 44
PA12_USB_DP 45
28
27
26
25
21
SW-PB
S2
PA11/USART1_CTS/CANRX/USBDM/TIM1_CH4
PA12/USART1_RTS/CANTX/USBDP/TIM1_ETR
PA13/JTMS/SWDIO
IOUT
KEY_1
PC6
R12
100
KEY_2
KEY_3
KEY_4
KEY_5
KEY_6
20
1pF
L5
5.6pF
L7
4.7pF
L8
0.1uF
IOUTB
LCD_EN1
RESET
SW-PB
S3
PC5/ADC_IN15
PC4/ADC_IN14
PC3/ADC_IN13
PC2/ADC_IN12
PC1/ADC_IN11
PC0/ADC_IN10
D7_MSB/SERIAL�LOAD
JTGMS
JTCK
JTDI
46
49
50
15
VINN
VINN
470nH
390nH
390nH
C41
3.3VD
CLOCK
LOAD
7
8
SW-PB
S4
PA14/JTCK/SWCLK
W_CLK
FQ_UD
RESET
CLOCK
LOAD
16
C40
22pF
C46
33pF
C42
22pF
VINP
22pF
PA15/JTDI
R13
100
14
SW-PB
S5
VOUTP
RESET
22
DAC_DIN1
13
E2
SMA
VOUTN
SW-PB
S6
8
R15
10K
C35
C37
C39
C50
LCD_RW
LCD_RS
26
27
28
55
56
57
58
59
61
62
29
30
33
34
35
36
PB0/ADC_IN8/TIM3_CH3
PB1/ADC_IN9/TIM3_CH4
PB2/BOOT1
SW-PB
R14
100
0.1uF
54
60
7
KEY_5
1pF
L6
5.6pF
L9
4.7pF
PD2/TIM3_ETR
BOOT0
L10
R2
10K
3.3VD
470nH
C43
390nH
C47
390nH
R3
10K
JTDO
NRST
PB3/JTDO/TRACESWO
NRST
C44
22pF
C45
22pF
22pF
33pF
JNTRST
E3
SMA
PB4/JNTRST
KEY_6
R4
10K
C5
0.1uF
3.3VD
PB5/IIC1_SMBAI
R16
0
AT24_SCL
AT24_SDA
DAC_SYNC2
DAC_SCLK2
U5
PB6/IIC1_SCL/TIM4_CH1
PB7/IIC1_SDA/TIM4_CH2
PB8/TIM4_CH3
R20
5.1K
7
6
8
5
R21
5.1K
WP
VCC
SDA
1
AT24_SCL
AT24_SDA
Vbat
SCL
1
4
2
3
A0
GND
A1
NC
E4
SMA
PB9/TIM4_CH4
AT24C256
C6
0.1uF
PB10/I2C2_SCL/USART3_TX
PB11/IIC2_SDA/USART3_RX
PB12/SPI2_NSS/IIC_SMBA/USART3_CK/TIM1_BKIN
PB13/SPI2_SCK/USART3_CTS/TIM1_CH1N
PB14/SPI2_MISO/USART3_RTS/TIM1_CH2N
PB15/SPI2_MOSI/TIM1_CH3N
R17
0
12
6
Vssa
C48
33pF
OSC_OUT
U3
Vout SYNC
R24
1K
1
2
3
6
5
4
DAC_SYNC2
Y1
8MHZ
C49
33pF
5
3.3VD
C27
0.1uF
GND
3.3VD
DAC_SCLK2
DAC_DIN2
OSC_IN
GND
Sclk
Din
R5
10K
JP2
Vdd
2
4
6
8
1
JP6
JTGMS
JTCK
JTDO
NRST
JTDI
JNTRST
C28
0.1uF
DAC7512
3
5
7
9
1
2
C7
0.1uF
10
Header�2
To_Isp
+5VUSB
F?
3.3VD
Fuse
JP3
U6
3.3VD
L3
C55
100uF/16V
C8
0.1uF
C9
C10
0.1uF
3
1
2
4
C51
1
2
VIN OUT
GND OUT
4.7uH
0.1uF
0.1uF
3.3VD
POWER
LM1117_3.3V
C29
C59
0.1uF
47uF/25V
C65
0.1uF
C66
0.1uF
C12
0.1uF
U8
C1+
C1-
C2+
C2-
+5VUSB
C11
0.1uF
C61
1pF
C13
C14
R7
1
3
4
5
2
16
C52
0.1uF
VDD
VCC
3.3VD
10K
0.1uF 0.1uF
3.3VD JP5
C30
0.1UF
C15
0.1uF
C56
100uF/16V
1
2
3
4
R22
C63
100uF/35V
RX
TX
R25
20K
C31
0.1uF
R23
C21
10uF/16V
Q1
2N3904
UART1_TX
UART1_RX
11
10
14
7
TX
RX
5.1K
T1IN T1OUT
T2IN T2OUT
5.1K
LED1
Green
+5V
U7
3.3VA
L4
R26
200
C57
100uF/16V
LED2
Red
12
9
13
8
Header�4
USB_DISCON
3
1
2
4
C53
R1OUT R1IN
R2OUT R2IN
VIN OUT
GND OUT
4.7uH
R27
33K
JP4
VDD
0.1uF
D
Q2
2N3904
R28
1.5K
1
2
3
C17
R18
0
0.1uF
15
6
5
LM1117_3.3V
C32
C60
0.1uF
47uF/25V
GND
VEE
VGSS
PA11_USB_DM
C16
0.1uF
C62
1pF
D-
MAX232EPE
C54
0.1uF
PA12_USB_DP
D+
VSS
6
VGSS
R19
C58
100uF/16V
0
C64
100uF/35V
C33
0.1uF
C22
10uF/16V
USB_CON
1
2
3
4
5
6
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