evalstpm3x-3ph schematic

6
5
4
3
2
1
C34
10pF
R20
0
IIN2
1
2
C27
C28
C29
C30
0
0
R29
C15
22nF
VCC
VREF1
VREF2
GND_REG
GND_REG
VDDD
GNDD
VDDA
GNDA
0
R90
1k
IIP3
VIP3
VIN3
IIP3
IIN3
R26
VIN3
R25
6.8
10nF
C18
1k
R27
R30
0
9
10
11
12
13
14
IIN3
0
R32
22
CON14
CLKOUT/ZCR
LED1
VIP1
LED2
VIN1
INT1
IIP1
INT2
STPM33
IIN1
EN
IIN2
SYN
IIP2
SCS
SCL
MOSI/RXD
MISO/TXD
U1
2
3
15
16
24
25
R28
I_CLK_MTR
A
1
4
5
6
7
8
28
29
30
31
32
O_ZCR2
O_LED3
O_LED4
O_INT2
C6
100nF
R43 100
I_SCS2
I_SCL
I_MOSI
O_MISO'
I_SCL
I_SYN
1
C1
O_MISO
20k
R82
O_INTCB
R59
I_SCS1
3
2
1
20k
SIP-3PIN
+3.3V
1. If CT is 2500:1, the value of R11,R13 and R25 is 6.8.
1. If CT is 3000:1, the value of R11,R13 and R25 is 8.2.
3. I_SYN is high when power on.
Metrology Part
J1
SIP-3PIN
Q3
R57
CON18 I_SCS2
J2
20k
VR3
O_MISO'
1
3
5
7
9
3
2
1
A
C
CON16
2
4
6
8
10
BC847BLT1
TP6
16MHz
20pF
C35
2.2uF
C37
100nF
C36
I_MOSI
Y1
O_INT2
10uF
U8
0
3
R84 100
C9
220pF
VR1
VR2
22
R45
2
I_EN
I_SYN
TP1
CON17
R54
I_16MCLK
HEADER-5X2POL
B
CON15
+
23
17
19
18
22
27
26
21
20
VIP3
1
2
CON12
1
0
R56
VOUT
2
+3.3V'
TP3
IO_SWIM
C
32
31
30
29
28
27
26
25
300k
C2
20pF
300k
0
R40
100nF
0
R85
B
CON11
R91
1k
I_NRST
33
300k
CLKIN/XTAL2
XTAL1
NC
NC
NC
NC
R52
R23
300k
R51
R22
300k
R24
R21
300k
1.2k
1
2
R35
1uF
C32
C38
R18
+3.3V
C
100nF
+3.3V
O_MISO'
10nF
C13
TP2
22
R93 100
C7
220pF
I_SCS2
O_LED4
I_CTS_STM8
VIN2
1k
R17
CON10
D
GND
I_EN
I_SYN
I_SCS1
I_SCL
I_MOSI
O_MISO
I_RX_STM8
O_TX_STM8
R31
I_CLK_MTR
R11
6.8
0
VIN
20k
R92
O_RTS_STM8
IIP2
R12
C11
100nF
100
R83
O_LED2
O_Q_LED
1
2
3
4
5
6
7
8
PD7/TLI[TIM1_CH4]
UART1_RX/PD6
UART1_TX/PD5
BEEP/TIM2_CH1/PD4
TIM2_CH2/ADC_ETR/PD3
TIM2_CH3/PD2
SWIM/PD1
TIM1_BKIN/CLK_CCO/PD0
0
R88
1k
O_ZCR1
O_LED1
O_LED2
O_INT1
O_INT1'
NRST
OSCIN/PA1
OSCOUT/PA2
VSS
VCAP
VDD
SPI_NSS/TIM2_CH3/PA3
PF4
O_P_LED 9 PB7
I_SCS1
10 PB6
I_SYN
11 I2C_SDA/PB5
O_INTCB 12 I2C_SCL/PB4
13 TIM1_ETR/AIN3/PB3
14 TIM1_CH3N/PB2
15 TIM1_CH2N/PB1
16 TIM1_CH1N/PB0
C10
22nF
1
4
5
6
7
8
28
29
30
31
32
+3.3V
300k
R19
CLKOUT/ZCR
U9
LED1
LED2
INT1
STPM34
INT2
EN
SYN
SCS
SCL
MOSI/RXD
MISO/TXD
100nF
300k
VIP1
VIN1
IIP1
IIN1
IIN2
IIP2
VIN2
VIP2
C31
300k
VIP2
9
10
11
12
13
14
15
16
4.7uF
R49
R9
300k
R47
R8
300k
R10
R7
300k
CON3
R89
TP4
10uF
3.3V Power Supply
33
VIP1
VIN1
IIP1
IIN1
IIN2
IIP2
VIN2
VIP2
100nF
R14 0
1.2k
C
100nF
C42
U15
LED Part
1uF
0
IIN1
CON2
1
2
10uF
O_Q_LED
LED
RED
23
17
19
18
22
27
26
25
21
20
R6
2 CLKIN/XTAL2
3 XTAL1
24 NC
10nF
C8
1k
R16
B
C39
D3
K
C41
ISO_5V
C40
A
100uF/6.3V
VIN1
0
1
2
C23
TP5
O_P_LED
LED
RED
+3.3V
R13
6.8
R87
C22
+3.3V
K
1k
R36
IIP1
R15
CON1
C21
C20
VCC
VREF1
VREF2
GND_REF
GND_REG
VDDD
GNDD
GNDD
VDDA
GNDA
0
R86
1
2
1k
100nF
A
C25
C5
22nF
100nF
R5
1.2k
C24
300k
4.7uF
300k
100nF
R46
R33
R4
300k
100nF
300k
100nF
D
300k
C14
LED
Green
D2
VIP1
100nF
300k
R3
R2
R1
A
K
3
A
+3.3V'
1k
R34
D1
STM8S003K3
SPI_MISO/PC7
SPI_MOSI/PC6
SPI_SCK/PC5
TIM1_CH4/CLK_CCO/PC4
TIM1_CH3/PC3
TIM1_CH2/PC2
TIM1_CH1/UART1_CK/PC1
SPI_NSS/PE5
24
23
22
21
20
19
18
17
R37
100
100
R38
R39
100
I_CLK_MTR
O_ZCR2
O_ZCR1
O_LED1
R41
4.7k
+3.3V
O_LED3
A
R42
4.7k
B
I_SCL
I_MOSI
O_MISO
I_EN
O_INT1
O_INT1'
O_MISO_STM8
I_MOSI_STM8
I_SCK_STM8
Metrolog MCU
5
R61
+3.3V
C62
100nF
C63
6 VCC
5 VO
4
10pF
3
I_MISO_MCU
O_MOSI_MCU
O_SCK_MCU
150
TLP2368
I_16MCLK
D
4
3V3
1
R50
330
3
O_16MCLK
2
1
3
5
7
9
MOSI
MISO
CLK
NSS
GND
GND0
2
4
6
8
10
O_16MCLK
3V3
GND0
330
GND0
I_CTS_USB
R63
CON9
Main MCU port
U10
16M
GND
GND
VCC
INT
1
C47
100nF
6
D
Isolation 16M clock
1
3V3
2
VOUT
3
16MHz
2
+5V
C57
C56
GND0
1k
K
LED
Green
GND0
C
R48
+5V
O_TX_USB
4.7k
STM8_RXD
R44
O_TX_485
4.7k
R58
BC857BLT1
GND0
GND0
+5V
LED
Red
D6
K
A
Q4
BC857BLT1
O_TX_485
Q2
I_RX_USB
4.7k
4.7k
LED
Green
GND0
SMBJ6.0CA
U7
1
2
3
4
RO
RE
DE
DI
VCC
B
A
GND
R79
R80
GND0
ST485B/C/ERB
BC857BLT1
8
7
6
5
CON6
D7
A
GND0
C61
100nF
Y2
TP9
2 GND
1 VIN
5 -VO
7 +VO
C55
A
10k
D5
K
GND0
U18
GND0
D4
PTC2
PTC1
2
1
B
SMBJ6.0CA
D8
100nF
GND
+5V
C53
100nF
C66
3V3
R76 4.7k
I_CTS_USB
I_RX_USB
O_RTS_USB
STM8_RXD
GND0
330 R70
16
15
14
13
12
11
10
9
R71
VDD2
GND2
VOA
VOB
VIC
VID
CTRL2
GND2
100nF
4.7k
B
100nF
VDD1
GND1
VIA
VIB
VOC
VOD
CTRL1
GND1
+5V
10uF
GND0
NN105S05H6
U22
GND0
GND0
GND0
100nF
C46
U2
10uF
I_RX_USB
O_RTS_USB
I_CTS_USB
+5V
C67
O_RTS_STM8
O_TX_STM8
I_CTS_STM8
I_RX_STM8
1
2
3
4
5
6
7
8
FT232BL
100nF ISO_5V
Q1
+5V
ADUM1412
24
23
22
21
20
19
18
17
RXD
RTS#
CTS#
DTR#
DSR#
DCD#
RI#
GND
330
+3.3V
+3.3V
C48
33nF
C44
VIN
GND0
R77
C52
100nF
10uF
GND0
C12
R78 4.7k
10K R69
GND0
EESK U6
EEDATA
VCC
RESET#
RSTOUT#
3V3OUT
USBDP
USBDM
C43
100nF
R60
+5V
EECS
TEST
AVCC
AGND
XTOUT
XTIN
VCC
TXD
32
31
30
29
28
27
26
25
Bead FB3
Isolation SPI
1
2
3
4
5
6
7
8
27 R65
+5V
O_TX_USB
GND
SLEEP#
RXLED#
TXLED#
VCCIO
PWRCTL
PWREN#
TXDEN
27 R64
9
10
11
12
13
14
15
16
1
2
3
4
10K R67
CON4
V+
DD+
GND
TP8
C45
GND0
R68
470
C58
100nF
10uF
Bead FB1
C51 C49
100nF
100nF
TP7
2.2nF/400VAC
C54
100nF
GND0
U14
+3.3V
C64
+5V
1.5K R66
GND0
C50
100nF
C3
100nF
3
I_MISO_MCU
O_MOSI_MCU
O_SCK_MCU
USB Type B female
GND1
CTRL1
VOD
VIC
VIB
VIA
GND1
VDD1
GND0
5 SH1
6 SH2
C
GND2
CTRL2
VID
VOC
VOB
VOA
GND2
VDD2
8
7
6
5
4
3
2
1
C4
3V3
9
10
11
12
13
14
15
16
O_MISO_STM8
I_MOSI_STM8
I_SCK_STM8
100nF
C65
3V3
ADUM1411
LD1117S33CTR
+5V
2
1
GND0
100nF
+3.3V
CON13
1
Power Supply
+5V
Isolation USB and RS485
USB Part
RS485 Part
3V3
100nF
GND0
C60
A
2k
100nF
C59
R81
IO_SWIM
I_NRST
2k
Isolation SWIM Part
R62
5
6 BGND
7 BSCL
8 BSDA
BVDD
2k
SI8400AB-B-IS
4
AGND 3
ASCL 2
ASDA 1
AVDD
R72
+3.3V
1
2
3
4
U3
VDD
DATA
GND
RESET
CON5
1k
1
2
K1
1
2
1k
R73
MCU Reset Key
R74
O_Q_LED
4.7k
GND0
1
2
O_P_LED
SWIM4P
LED pulses output
R75
U11
4
3
TLP781
U12
4
3
TLP781
1
2
CON8
A
1
2
CON7