If the retimer RX has over equalization problem, how should the parameters of retimer RX be adjusted?
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If the retimer RX has over equalization problem, how should the parameters of retimer RX be adjusted?
Hi,
You may manually force CTLE = 0x00 i.e. the lowest EQ boost value. See register writes below.
Table. Set CTLE Boost Value to 0x00
STEP |
SHARED/ CHANNEL REGISTER SET |
OPERATION |
REGISTER ADDRESS [HEX] |
REGISTER VALUE [HEX] |
WRITE MASK [HEX] |
COMMENT |
1 |
Channel |
Write |
2D |
08 |
08 |
Enable CTLE boost override |
2 |
Channel |
Write |
03 |
00 |
FF |
Set CTLE boost to 0x00. |
Cordially,
Rodrigo Natal
HSSC Applications Engineer