LNBH26 datasheet(23/38 Pages) STMICROELECTRONICS

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LNBH26

I²C interface protocol

Doc ID 022771 Rev 1

23/38

N/A = Reserved bit.

All bits reset to 0 at power-on.

Table 8.

DATA 2 (Read/Write register. Register address = 0X3)

Bit

Name

Value

Description

Bit 0

(LSB)

TEN-A

22 kHz tone enabled. Tone output controlled by the DSQIN pin

22 kHz tone output disabled

Bit 1

LPM-A

Low power mode activated (used only with 22 kHz tone output disabled)

Low power mode deactivated (keep always LPM=0 during 22 kHz tone

transmission)

Bit 2

EXTM-A

DSQIN input pin is set to receive external 22 kHz TTL signal source

DSQIN input pin is set to receive external DiSEqC envelope TTL signal

Bit 3

N/A

Reserved. Keep to “0”

Bit 4

TEN-B

22 kHz tone enabled. Tone output controlled by the DSQIN pin

22 kHz tone output disabled

Bit 5

LPM-B

Low power mode activated (used only with 22 kHz tone output disabled)

Low power mode deactivated (keep always LPM=0 during 22 kHz tone

transmission)

Bit 6

EXTM-B

DSQIN input pin is set to receive external 22 kHz TTL signal source

DSQIN input pin is set to receive external DiSEqC envelope TTL signal

Bit 7

(MSB)

N/A

Reserved. Keep to “0”

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