STLC5048 datasheet(30/45 Pages) STMICROELECTRONICS

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STLC5048

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KD Filter (KDF)

The register is used to set the 3 coefficients (each of 16 bits) of the KD filter of the channel #n.

AFE Coefficient (AFE_CFF)

Reset value = AA00h

KAn0, KAn1 = KA coefficient for Ch #n

According to the value of each couple of bits, the KA block is set in the following condition:

KAn1 KAn0

KA block disabled

KA set for low gain

KA set for high gain

When the application involves also the metering pulse signal the AFE of the STLC5048 must be adapted in or-

der to manage also this signal. For this purpose is provided the TTX bit.

TTX = 0: the current application is not using the metering pulse signal

TTX = 1: the current application is using the metering pulse signal

Timeout value (T_OUT)

Reset Value=FFFFh

Reset value = Maximum value = FFFFh (2048 us)

To disable this function the T0 bit must be set to 0.

To enable this function the T0 bit must be set to 1; the time-out value is set by means of T<15..1> bits.

Time_out = (T_OUT[15:1]*62.5 + 31.24)ns

The minimum step is 62.5 ns.

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

R/W

110000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

R/W

110001

KA31

KA30

KA21

KA20

KA11

KA10

KA01

KA00

TTX

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

R/W

110010

T15

T14

T13

T12

T11

T10

STLC5048 数据表(PDF) 30 Page - STMicroelectronics

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STLC5048 数据表(PDF) 30 Page - STMicroelectronics

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