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STPM32 Datasheet(PDF) 14 Page - STMicroelectronics

Part # STPM32
Description  ASSP for metering applications with up to four independent 24-bit 2nd order sigma-delta ADCs, 4 MHz OSF and 2 embedded PGLNA
PDF  121 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPM32 Datasheet(HTML) 14 Page - STMicroelectronics

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Pin configuration
STPM32, STPM33, STPM34
14/121
DS10272 Rev 8
Table 2. STPM34, STPM33, STPM32 pin description
STPM34 STPM33 STPM32
Name
Description and
multiplexed function
Voltage range
Functional
section
11
1
CLKOUT/Z
CR
-Zero-crossing output
-System clock output
From 0 to VCC
Multifunctional
22
2
CLKIN/XTA
L2
-Input of external clock
-External crystal input 2
From 0 to VCC
Oscillator
3
3
3
XTAL1
-External crystal input 1
From 0 to VCC
Oscillator
4
4
4
LED1
-Pulse output 1
-Primary current SD
bitstream
From 0 to VCC
Multifunctional
5
5
5
LED2
-Pulse output 2
-Secondary current SD
bitstream
From 0 to VCC
Multifunctional
6
6
6
INT1
-Interrupt 1
-Primary voltage SD
bitstream
From 0 to VCC
Multifunctional
7
7
-
INT2
-Interrupt 2
-Secondary voltage SD
bitstream
From 0 to VCC
Multifunctional
8
8
7
EN
Enable pin
From 0 to VCC
Signal
9
9
8
VIP1
Positive voltage primary
input
From -0.3 V to 0.3 V
Signal
10
10
9
VIN1
Negative voltage primary
input
From -0.3 V to 0.3 V
Signal
11
11
10
IIP1
Positive current primary input From -0.3 V to 0.3 V
Signal
12
12
11
IIN1
Negative current primary
input
From -0.3 V to 0.3 V
Signal
13
13
-
IIN2
Negative current secondary
input
From -0.3 V to 0.3 V
Signal
14
14
-
IIP2
Positive current secondary
input
From -0.3 V to 0.3 V
Signal
15
-
-
VIN2
Negative voltage secondary
input
From -0.3 V to 0.3 V
Signal
16
-
-
VIP2
Positive voltage secondary
input
From -0.3 V to 0.3 V
Signal
17
17
12
VREF1
Output of voltage reference 1 From 1.16 V to 1.18 V
Power
18
18
13
GND_REF Analog ground of VREF
-
Power
19
19
-
VREF2
Output of voltage reference 2 From 1.16 V to 1.18 V
Power
20
20
14
GNDA
Analog ground (shield)
-
Power
21
21
15
VDDA
Output of voltage regulator
3.0 V
Power
22
22
16
GND_REG Ground
-
Power



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