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UM0402 Datasheet(PDF) 25 Page - STMicroelectronics

Part # UM0402
Description  Single-phase multi-tariff energy meter
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0402 Datasheet(HTML) 25 Page - STMicroelectronics

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UM0402
Schematics
25/35
Appendix A
Schematics
Figure 4.
Microcontroller section schematic
R38
10k
+5.0VB
C13
10NF
C24
100nF
+5.0VB
R5
0
R7
0
TMPD
ICCCLK
ICCDATA
SCL
SDO
+5.0VB
C25
100nF
C19
100nF
+5.0VB
NERTC
+5.0VB
C12
100nF
C5
100nF
+5.0VB
IRQRTC
C14
10NF
SW1
SDI
COM4
COM3
COM2
COM1
PB4
PB5
PB7
PD0
PB6
PD3
PD1
PD2
PB2
PB3
PE7
PE6
PB0
PB1
ei1
ei3
ei2
ei0
SPI
I2C
SCI
U6
ST72F321BR6
PE4
1
PE5
2
PE6
3
PE7
4
PWM3/PB0
5
PWM2/PB1
6
PWM1/PB2
7
PWM0/PB3
8
ARTCLK/PB4
9
ARTIC1/PB5
10
ARTIC2/PB6
11
PB7
12
AIN0/PD0
13
AIN1/PD1
14
AIN2/PD2
15
AIN3/PD3
16
Vdd_0
33
Vss_0
34
PC0/OCMP2_B/AIN12
35
PC1/OCMP1_B/AIN13
36
PC2/ICAP2_B
37
PC3/ICAP1_B
38
PC4/MISO/ICCDATA
39
PC5/MOSI/AIN14
40
PC6/SCK/ICCCLK
41
SS/PC7
42
PA0
43
PA1
44
PA2
45
PA3
46
Vdd_1
47
Vss_1
48
EMEM
IRQBUTT
R1
10k
R2
10k
PFD
JP1
1
2



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