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STPM32 Datasheet(PDF) 5 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  89 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPM32 Datasheet(HTML) 5 Page - STMicroelectronics

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Figure 6. STPM32 pinout (top view), QFN24L 4x4x1
STPM32
2
3
4
5
XTAL1
LED1
LED2
CLKIN/XTAL2
6
INT1
1
CLKOUT/ZCR
17
16
15
14
VDDA
GNDA
GND_REG
13 GND_REF
18
VCC
GNDD
Table 1. STPM34, STPM33, STPM32 pin description
STPM34
STPM33
STPM32
Name
Description and multiplexed
function
Voltage range
Functional
section
1
1
1
CLKOUT/ZCR
-Zero-crossing output
-System clock output
From 0 to VCC
Multifunctional
2
2
2
CLKIN/XTAL2
-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
STPM32, STPM33, STPM34
Pin configuration
DS10272 - Rev 13
page 5/89



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