Datasheet

48 Maxim Integrated
Gigabit Multimedia Serial Link with Spread
Spectrum and Full-Duplex Control Channel
MAX9259/MAX9260
Table 17. MAX9260 Register Table (continued)
REGISTER
ADDRESS
BITS NAME VALUE FUNCTION
DEFAULT
VALUE
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
0x06
D7 DISSTAG
0 Enable staggered outputs
0
1 Disable staggered outputs
D6 AUTORST
0
Do not automatically reset error registers and
outputs
0
1
Automatically reset error registers and
outputs
D5 DISINT
0 Enable interrupt transmission to serializer
0
1 Disable interrupt transmission to serializer
D4 INT
0 INT input = low (read only)
0
(read only)
1 INT input = high (read only)
D3 GPIO1OUT
0 Output low to GPIO1
1
1 Output high to GPIO1
D2 GPIO1
0 GPIO1 is low
1
(read only)
1 GPIO1 is high
D1 GPIO0OUT
0 Output low to GPIO0
1
1 Output high to GPIO0
D0 GPIO0
0 GPIO0 is low
1
(read only)
1 GPIO0 is high