JAJSGV3B September 2015 – January 2019 ADC31JB68
PRODUCTION DATA.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved | VOD[2:0] | Reserved | DEM[2:0] | ||||
R/W | R/W | R/W | R/W |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | Reserved | R/W | 0 | Reserved. Must be written as 0. |
6:4 | VOD[2:0] | R/W | 000 | Serial-lane transmitter driver output differential peak-to-peak voltage amplitude.
000 : 0.400 V (default) 001 : 0.470 V 010 : 0.540 V 011 : 0.610 V 100 : 0.670 V 101 : 0.740 V 110 : 0.790 V 111 : 0.840 V Reported voltage values are nominal values at low-lane rates with de-emphasis disabled. |
3 | Reserved | R/W | 0 | Reserved and must be written as 0. |
2:0 | DEM[2:0] | R/W | 000 | Serial lane transmitted de-emphasis.
000 : 0 dB 001 : –0.8 dB 010 : –2.4 dB 011 : –3.8 dB 100 : –4.9 dB 101 : –6.3 dB 110 : –7.7 dB 111 : –10.3 dB Reported de-emphasis values are nominal values at low-lane rates with VOD = 4. |