I tested with TLK1221-DK.
Before connect with other device, I want to test with only TLK1221 B/D.
The data signal only through internal loop.(jumper pin LOOPEN set on high) But synchronize between RD and TD is not same.
for example when TD[9:0] is 0000011111 , RD[9:0] is NOT 0000011111.
And, start point changed when device power ON/OFF.
I want to know how to fix the start point of data frame. It means, once RD[9:0] is 0000011111, after turn off, and on, still it is 0000011111.
In addition, I want to get how to make start point of TD and RD same. It means when TD[9:0] is 0000011111 , RD[9:0] is also 0000011111.
Here is setting options.
Power supply : 2.5V
REFCLK : 50MHz or 100MHz
JMP9,10 : Default(Connect)
PRBSEN : Connect
SYNCEN : Disconnect
ENABLE : Disconnect
RBCMODE : Connect at 50MHz, Disconnect at 100MHz
LOOPEN : Disconnect
TXN,P & RXN,P : Disconnect
Prove of Osciloscope at : RD[9:0], RBC1, RBC0, REFCLK
I made static TD value with jumper on the JMP6, and measured RD with an oscilloscope.
In addition, (I can not ensure that it's right explain) I need setting option for Internal serial loopback test, without open state between RD and TD.
Please check wrong of these.
Thank you.
