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STPM32 Datasheet(PDF) 23 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) 23 Page - STMicroelectronics

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DS10272 Rev 8
23/121
STPM32, STPM33, STPM34
Electrical characteristics
121
Pin programmability
Table 6. Programmable pin functions
Name
Multiplexed function
Functional description
I/O
CLKOUT/ZCR
System clock signal
Clock signals (DCLK, SCLK, MCLK, CLKIN)
Output
Zero-crossing
Line voltage/current zero-crossing
LED1
Programmable pulse 1
Primary channel energies (A, AF, R, S)(1)
1. A: active wideband; AF: active fundamental; R: reactive; S: apparent.
Output
Secondary channel energies (A, AF, R, S)
Primary ± secondary channel energies (A, AF,
R, S)
SD out current (DATI1)
Sigma-delta bitstream of primary current
channel
LED2
Programmable pulse 2
Primary channel energies (A, AF, R, S)
Output
Secondary channel energies (A, AF, R, S)
Primary ± secondary channel energies (A, AF,
R, S)
SD current (DATI2)
Sigma-delta bitstream of secondary current
channel
INT1
Interrupt
Programmable interrupt 1
Output
SD voltage (DATV1)
Sigma-delta bitstream of primary voltage
INT2
Interrupt
Programmable interrupt 2
Output
SD out voltage (DATV2)
Sigma-delta bitstream of secondary voltage
SCS
SPI/UART select
Serial port selection at power-up
Output
Chip-select
SPI/UART chip-select
MOSI/RXD
SPI master OUT slave IN SPI
Input
UART RX
UART
MISO/TXD
SPI master IN slave OUT SPI
Output
UART TX
UART



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