Datasheet

DS21348/DS21Q348
34 of 76
Table 4-3. Backplane Clock Select
BPCS1
(CCR5.7)
BPCS0
(CCR5.6)
BPCLK
FREQUENCY
0 0 16.384MHz
0 1 8.192MHz
1 0 4.096MHz
1 1 2.048MHz
Table 4-4. Monitor Gain Settings
MM1
(CCR5.5)
MM0
(CCR5.4)
INTERNAL LINEAR
GAIN BOOST
0 0
Normal operation
(no boost)
0 1 20dB
1 0 26dB
1 1 32dB
Table 4-5. Internal Rx Termination Select
RT1
(CCR5.1)
RT0
(CCR5.0)
INTERNAL RECEIVE
TERMINATION CONFIGURATION
0 0 Internal receive-side termination disabled
0 1
Internal receive-side 120Ω enabled
1 0
Internal receive-side 100Ω enabled
1 1
Internal receive-side 75Ω enabled