ST UM2898, Руководство пользователя

Страница: 17 / 31

Figure 18. STDES-EMETER1PV1 circuit schematic (5 of 8)
Connect to GND by default
DEBUG CONN
AGND
AGND
D
G
N
D
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
PA8_LCD_COM0
PA9_LCD_COM1
PA10_LCD_COM2
P
C
1
0
_
L
C
D
_
C
O
M
4
P
C
1
1
_
L
C
D
_
C
O
M
5
P
C
1
2
_
L
C
D
_
C
O
M
6
P
D
2
_
L
C
D
_
C
O
M
7
P
A
3
_
U
S
A
R
T
_
R
X
D
P
B
1
1
_
U
S
A
R
T
1
_
T
X
P
E
1
2
_
G
P
IO
PA2_USART_TXD
PA0_SPI1_NSS
P
D
6
_
G
P
IO
P
B
3
_
L
C
D
_
S
E
G
6
P
B
4
_
L
C
D
_
S
E
G
5
P
B
5
_
L
C
D
_
S
E
G
4
P
B
6
_
I2
C
1
_
S
C
L
P
B
7
_
I2
C
1
_
S
D
A
P
B
8
_
L
C
D
_
S
E
G
3
P
B
9
_
L
C
D
_
C
O
M
3
P
E
0
_
L
C
D
_
S
E
G
2
P
E
1
_
L
C
D
_
S
E
G
1
3V3
GND
GND
P
C
4
_
S
Y
N
PC7_LCD_SEG14
PD15_LCD_SEG16
P
C
5
_
IN
T
PC8_LCD_SEG10
PC6_LCD_SEG15
P
E
1
0
_
G
P
IO
P
E
1
1
_
G
P
IO
P
B
1
0
_
U
S
A
R
T
1
_
R
X
P
A
1
5
_
L
C
D
_
S
E
G
8
PC9_LCD_SEG9
P
D
7
_
M
C
U
_
G
P
IO
_
W
C
P
E
8
_
G
P
IO
P
E
7
_
G
P
IO
P
B
0
_
G
P
IO
_
R
E
L
A
Y
P
B
1
_
G
P
IO
_
R
E
L
A
Y
P
A
7
_
S
P
I1
_
M
O
S
I
P
A
6
_
S
P
I1
_
M
IS
O
P
A
5
_
S
P
I1
_
S
C
K
PA1_ZCR
P
D
0
_
G
P
IO
PD14_GPIO_BACKLIGHT
PD12_GPIO
PD11_GPIO
PD10_GPIO
PD9_GPIO
P
E
1
4
_
G
P
IO
PC2_EN
PB12_GPIO
P
D
3
_
G
P
IO
_
E
N
P
D
4
_
G
P
IO
_
M
O
D
E
PC1_GPIO
C11
6.8pF
L1
470E
TP1
TEST POINT
1
SW4
MD_RESET SW
1
2
3
4
C14
1uF, 10V
J21
SWD
1
2
3
4
5
R1
10k
C5
0.1uF, 10V
R24
0E
C4
0.1uF, 10V
U3
STM32L433VCTx
PE2
1
PE3
2
PE4
3
PE5
4
PE6
5
VBAT
6
PC13
7
PC14_OSC32_IN
8
PC15_OSC32_OUT
9
VSS_1
10
VDD_1
11
PH0_OSC_IN
12
PH1_OSC_OUT
13
NRST
14
PC0
15
PC1
16
PC2
17
PC3
18
VSSA
19
VREFMINUS
20
VREFPLUS
21
VDDA
22
PA0
23
PA1
24
PA2
25
P
A
3
2
6
V
S
S
_
2
2
7
V
D
D
_
2
2
8
P
A
4
2
9
P
A
5
3
0
P
A
6
3
1
P
A
7
3
2
P
C
4
3
3
P
C
5
3
4
P
B
0
3
5
P
B
1
3
6
P
B
2
3
7
P
E
7
3
8
P
E
8
3
9
P
E
9
4
0
P
E
1
0
4
1
P
E
1
1
4
2
P
E
1
2
4
3
P
E
1
3
4
4
P
E
1
4
4
5
P
E
1
5
4
6
P
B
1
0
4
7
P
B
1
1
4
8
V
S
S
_
3
4
9
V
D
D
_
3
5
0
PB12
51
PB13
52
PB14
53
PB15
54
PD8
55
PD9
56
PD10
57
PD11
58
PD12
59
PD13
60
PD14
61
PD15
62
PC6
63
PC7
64
PC8
65
PC9
66
PA8
67
PA9
68
PA10
69
PA11
70
PA12
71
JTMS
72
VDDUSB
73
VSS_4
74
VDD_4
75
JT
C
K
7
6
JT
D
I
7
7
P
C
1
0
7
8
P
C
1
1
7
9
P
C
1
2
8
0
P
D
0
8
1
P
D
1
8
2
P
D
2
8
3
P
D
3
8
4
P
D
4
8
5
P
D
5
8
6
P
D
6
8
7
P
D
7
8
8
P
B
3
8
9
P
B
4
9
0
P
B
5
9
1
P
B
6
9
2
P
B
7
9
3
P
H
3
_
B
O
O
T
0
9
4
P
B
8
9
5
P
B
9
9
6
P
E
0
9
7
P
E
1
9
8
V
S
S
_
5
9
9
V
D
D
_
5
1
0
0
C19
1uF
C8
6.8pF
R2
10k
J1
CR2032
1
2
3
C2
4.7uF, 6.3V
R7
10k
R3 10k
R96
510E
C20
1uF
Y
1
3
2
.7
6
8
K
H
z
C6
0.1uF, 10V C3
0.1uF, 10V
J24
HEADER 3X2
2
4
6
1
3
5
C7
0.1uF, 10V
D12
Green
C15
0.1uF, 10V
PD14_GPIO_BACKLIGHT
P
E
1
5
_
G
P
IO
VSS
PA2_USART_TXD
P
B
5
_
L
C
D
_
S
E
G
4
VDD
P
A
3
_
U
S
A
R
T
_
R
X
D
P
B
8
_
L
C
D
_
S
E
G
3
NRST
P
E
7
_
G
P
IO
P
B
9
_
L
C
D
_
C
O
M
3
VDD
P
C
1
2
_
L
C
D
_
C
O
M
6
P
D
6
_
G
P
IO
VBAT
P
C
1
1
_
L
C
D
_
C
O
M
5
P
D
2
_
L
C
D
_
C
O
M
7
PD9_GPIO
B
O
O
T
0
PA10_LCD_COM2
3V3
PD10_GPIO
3V3
P
C
1
0
_
L
C
D
_
C
O
M
4
P
B
7
_
I2
C
1
_
S
D
A
AVDD
VDD
V
D
D
P
B
6
_
I2
C
1
_
S
C
L
P
A
5
_
S
P
I1
_
S
C
K
V
S
S
PA9_LCD_COM1
P
A
7
_
S
P
I1
_
M
O
S
I
AVDD
SWDIO
S
W
C
L
K
PD11_GPIO
VDD
P
B
0
_
G
P
IO
_
R
E
L
A
Y
VSS
VSS
P
B
1
_
G
P
IO
_
R
E
L
A
Y
P
E
1
2
_
G
P
IO
P
B
1
1
_
U
S
A
R
T
1
_
T
X
PA8_LCD_COM0
V
D
D
P
E
1
4
_
G
P
IO
P
E
1
1
_
G
P
IO
V
S
S
AGND
A
G
N
D
AVDD 3V3
SWCLK
GND
SWDIO
NRST
P
E
1
_
L
C
D
_
S
E
G
1
P
E
0
_
L
C
D
_
S
E
G
2
P
B
3
_
L
C
D
_
S
E
G
6
P
B
4
_
L
C
D
_
S
E
G
5
P
C
4
_
S
Y
N
PE15_GPIO
BOOT0 3V3
VBAT VBAT
PC7_LCD_SEG14
PD15_LCD_SEG16
PC6_LCD_SEG15
PC8_LCD_SEG10
PC9_LCD_SEG9
PD12_GPIO
P
D
0
_
G
P
IO
P
D
7
_
M
C
U
_
G
P
IO
_
W
C
P
C
5
_
IN
T
P
E
8
_
G
P
IO
P
E
1
0
_
G
P
IO
P
B
1
0
_
U
S
A
R
T
1
_
R
X
P
A
1
5
_
L
C
D
_
S
E
G
8
P
A
6
_
S
P
I1
_
M
IS
O
PA1_ZCR
V
D
D
V
S
S
P
D
4
_
G
P
IO
_
M
O
D
E
PC2_EN
PB12_GPIO
P
D
3
_
G
P
IO
_
E
N
PC1_GPIO
AVDD
VDD
PA0_SPI1_NSS
UM2898
-
Rev 1
page 17/31
UM2898
Schematic diagrams