Tz325 Dedicated Transceiver Pinout
| Function | Direction | Description |
|---|---|---|
| VCC_SERDESnn | – | Transceiver digital PCS and PCIe controller power supplies. |
| VDDA_C_Qnn | – | Transceiver analog bias power supply. |
| VDDA_D_Qnn | – | Transceiver digital and analog data path power supplies. |
| VDDA_H_Qnn | – | Transceiver analog power supply for I/O. |
| PERST_Qn_N | Input | Active-low PCIe reset pin. |
| Qn_CAL_RES | Input | Transceiver calibration resistor. Connect an external resistor between this pin and ground. The resistor value is 3.01 kΩ with 1% tolerance. |
| Qn_REFCLKn_N Qn_REFCLKn_P |
Input | Transceiver differential external reference clock input. REFCLK0:
Main clock. REFCLK1: Alternative clock. |
| Qn_RXDPL Qn_RXDNL |
Input | Transceiver differential receive serial data inputs. Q0 and Q2
include the PCIe controller. |
| Qn_TXDPL Qn_TXDNL |
Output | Transceiver differential transmitter serial data inputs Q0 and Q2
include the PCIe controller. |