Specifications

Gigabit Multimedia Serial Link Deserializer
with LVDS System Interface
MAX9268
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Table 12. Register Table (see Table 1) (continued)
REGISTER
ADDRESS
BITS NAME VALUE FUNCTION
DEFAULT
VALUE
0x04
D7 LOCKED
0 LOCK output is low
0
(read only)
1 LOCK output is high
D6 OUTENB
0 Enable outputs
0
1 Disable outputs
D5 PRBSEN
0 Disable PRBS test
0
1 Enable PRBS test
D4 SLEEP
0
Normal mode. Default value depends on CDS and MS
pin values at power-up).
0, 1
1
Activate sleep mode. Default value depends on CDS
and MS pin values at power-up).
D[3:2] INTTYPE
00 Base mode uses I
2
C peripheral interface
0001 Base mode uses UART peripheral interface
10, 11 Base mode peripheral interface disabled
D1 REVCCEN
0 Disable reverse control channel to serializer (sending)
1
1 Enable reverse control channel to serializer (sending)
D0 FWDCCEN
0
Disable forward control channel from serializer
(receiving)
1
1 Enable forward control channel from serializer (receiving)
0x05
D7 I2CMETHOD
0 I
2
C conversion sends the register address
0
1
Disable sending of I
2
C register address (command-
byte-only mode)
D[6:5] HPFTUNE
00 7.5MHz equalizer highpass cutoff frequency
01
01 3.75MHz cutoff frequency
10 2.5MHz cutoff frequency
11 1.87MHz cutoff frequency
D4 PDHF
0 High-frequency boosting enabled
0
1 High-frequency boosting disabled
D[3:0] EQTUNE
0000 2.1dB equalizer boost gain
0100, 1001
0001 2.8dB equalizer boost gain
0010 3.4dB equalizer boost gain
0011 4.2dB equalizer boost gain
0100
5.2dB equalizer boost gain. Power-up default when
EQS = high.
0101 6.2dB equalizer boost gain
0110 7dB equalizer boost gain
0111 8.2dB equalizer boost gain
1000 9.4dB equalizer boost gain
1001
10.7dB equalizer boost gain. Power-up default when
EQS = low.
1010 11.7dB equalizer boost gain
1011 13dB equalizer boost gain
11XX Do not use