COMPRO X800 - START UP GUIDE Especificaciones descargar pdf (Pagina 33)

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MAX9249

Gigabit Multimedia Serial Link

Serializer with LVDS System Interface

Table 12. Register Table (See Table 1 for Default Value Details) (continued)

ADDRESS

BITS NAME VALUE FUNCTION

DEFAULT

VALUE

0x05

D7 I2CMETHOD

0 I

C conversion sends the register address

Disable sending of I

C register address

(command-byte-only mode)

D6 DISFPLL

0 Filter PLL active

1 Filter PLL disabled

D[5:4] CMLLVL

00 Do not use

01 200mV

CML signal level

10 300mV CML signal level

11 400mV CML signal level

D[3:0] PREEMP

0000 Preemphasis off

0000

0001 -1.2dB preemphasis

0010 -2.5dB preemphasis

0011 -4.1dB preemphasis

0100 -6.0dB preemphasis

0101 Do not use

0110 Do not use

0111 Do not use

1000 1.1dB preemphasis

1001 2.2dB preemphasis

1010 3.3dB preemphasis

1011 4.4dB preemphasis

1100 6.0dB preemphasis

1101 8.0dB preemphasis

1110 10.5dB preemphasis

1111 14.0dB preemphasis

0x06 D[7:0] — 01000000 Reserved 01000000

0x07 D[7:0] — 00100010 Reserved 00100010

0x08

D[7:4] — 0000 Reserved

0000

(read only)

D[3:2] LFNEG

00 Negative cable wire shorted to battery

(read only)

01 Negative cable wire shorted to ground

10 Normal operation

11 Negative cable wire open

D[1:0] LFPOS

00 Positive cable wire shorted to battery

(read only)

01 Positive cable wire shorted to ground

10 Normal operation

11 Positive cable wire open

0x0C D[7:0] — 01110000 Reserved 01110000

1 2 ... 28 29 30 31 32 33 34 35 36

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