STPM32 datasheet(105/121 Pages) STMICROELECTRONICS

105 / 121 page

DS10272 Rev 8

105/121

STPM32, STPM33, STPM34

121

Table 57. Row 13, digital front end control register 2 (DFE_CR2)

Bit

Internal signal

Description

Default

enV2

Enable for secondary voltage channel

0x1

[15:1]

Reserved

0x193

[16]

enC2

Enable for secondary current channel

0x1

[17:25]

Reserved

0x193

[27:26]

GAIN2

Gain selection of secondary current channel:

GAIN2 [1:0]: 00, 01, 10, 11

GAIN: x2, x4, x8, x16

0x0

[31:28]

Reserved

0x0

Table 58. Row 14, DSP interrupt control mask register 1 (DSP_IRQ1)

Bit

Internal signal

Description

Default

PH1+PH2 IRQ CR

Sign total active power

Sign total reactive power

Overflow total active energy

Overflow total reactive energy

PH2 IRQ CR

Sign secondary channel active power

Sign secondary channel active fundamental power

Sign secondary channel reactive power

Sign secondary channel apparent power

Overflow secondary channel active energy

Overflow secondary channel active fundamental energy

Overflow secondary channel reactive energy

Overflow secondary channel apparent energy

PH1 IRQ CR

Sign primary channel active power

Sign primary channel active fundamental power

Sign primary channel reactive power

Sign primary channel apparent power

Overflow primary channel active energy

Overflow primary channel active fundamental energy

Overflow primary channel reactive energy

Overflow primary channel apparent energy

C1 IRQ CR

Primary current sigma-delta bitstream stuck

AH1 - accumulation of primary channel current

Primary current swell detected

Primary current swell end

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