18.4.64 DDR3PHY Data Byte General Status
Register 0
Name: | DDR3PHY_DXxGSR0 |
Offset: | 0x01C4 + x*0x40 [x=0..1] |
Reset: | 0x00000000 |
Property: | Read/Write |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| | | | | | | | | |
Access | | | | | | | | | |
Reset | | | | | | | | | |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| | | | | | | | | |
Access | | | | | | | | | |
Reset | | | | | | | | | |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| DTPASS[2:0] | | | | | DTIERR | |
Access | R/W | R/W | R/W | | | | | R/W | |
Reset | 0 | 0 | 0 | | | | | 0 | |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| | | | DTERR | | | | DTDONE | |
Access | | | | R/W | | | | R/W | |
Reset | | | | 0 | | | | 0 | |
Bits 15:13 – DTPASS[2:0] DDR_DQS GateTraining Pass
Count
The number of passing
configurations during DDR_DQS gate training.
Bit 8 – DTIERR DDR_DQS Gate Training Intermittent Error
If
set, indicates that there was an intermittent error during DDR_DQS gate training of the
byte, such as a pass was followed by a fail then followed by another
pass.
Bit 4 – DTERR DDR_DQS Gate Training Error
If
set, indicates that a valid DDR_DQS gating window could not be found during DDR_DQS gate
training of the byte.
Bit 0 – DTDONE Data Training Done
If
set, indicates that the byte has finished doing data training.