3.1. Analog Parameters for F-Tile IPs
Parameter | Values | Description |
---|---|---|
FGT TXEQ Post Tap 1, 1.0 step size | 0 to 19 | Options for FGT TX EQ Post Tap 1, in 1.0 step size increments. Default value is 0. |
FGT TXEQ Pre Tap 1, 1.0 step size | 0 to 15 | Options for FGT TX EQ Pre Tap 1, in 1.0 step size increments. Default value is 5. |
FGT TXEQ Pre Tap 2, 1.0 step size | 0 to 7 | Options for FGT TX EQ Pre Tap 2, in 1.0 step size increments. Default value is 0. |
FGT TXEQ Main Tap, 1.0 step size | 0 to 55 | Options for FGT TX EQ Main Tap, in 1.0 step size increments. Default value is 35. |
Parameter | Values | Description |
---|---|---|
Select FGT RX Onchip Termination | RX_ONCHIP_TERMINATION_R_1(85 Ohms) RX_ONCHIP_TERMINATION_R_2(100 ohms) |
Selects FGT RX termination resistor setting. Default value is RX_ONCHIP_TERMINATION_R_1(85 Ohms). |
Enable FGT RX AC Couple | DISABLE ENABLE |
Enable RX external AC coupling setting. Default value is ENABLE. |
Enable FGT VSR mode | VSR_MODE_LOW_LOSS VSR_MODE_HIGH_LOSS VSR_MODE_DISABLE |
Enable VSR mode setting. Default value is VSR_MODE_DISABLE. |
RXEQ VGA Gain | 0 to 63 | Options for RX EQ VGA gain value, in 1.0 step size increments. Default value is 0.
Note: This parameter is only available when the Adaptation mode is set to manual in RX Datapath Options.
|
RXEQ High Frequency Boost | 0 to 63 | Options for RX EQ high frequency boost value, in 1.0 step size increments. Default value is 0.
Note: This parameter is only available when the Adaptation mode is set to manual in RX Datapath Options.
|
RXEQ DFE Data Tap1 | 0 to 63 | Options for RX EQ DFE data tap1 value, in 1.0 step size increments. Default value is 0.
Note: This parameter is only available when the Adaptation mode is set to manual in RX Datapath Options.
|
Parameter | Values | Description |
---|---|---|
Enable FHT TX P&N Invert | Disabled Enabled |
Enable FHT TX P and N inversion. Default value is Disabled. |
Enable FHT TXOUT Tristate | Disabled Enabled |
Enable tristate on FHT TX serial outputs. Default value is Disabled. |
Select FHT TX Termination | TXTERM_OFFSET_P0(90 Ohms) TXTERM_OFFSET_M1(96.8 Ohms) |
Selects FHT TX termination resistor setting. Default value is TXTERM_OFFSET_P0(90 Ohms). |
Parameter | Values | Description |
---|---|---|
Post-Cursor 4, 0.25 step size |
-8.0 to +7.75 | FHT post tap 4 coefficients, 0.25 step size. Default value is 0.0. |
Post-Cursor 3, 0.25 step size | -8.0 to +7.75 | FHT post tap 3 coefficients, 0.25 step size. Default value is 0.0. |
Post-Cursor 2, 0.25 step size | -8.0 to +7.75 | FHT post tap 2 coefficients, 0.25 step size. Default value is 0.0. |
Post-Cursor 1, 0.5 step size | -16.0 to +15.5 | FHT post tap 1 coefficient, 0.5 step size. Default value is 0.0. |
Main-Cursor,0.5 step size | 0.0 to 41.5 | FHT main tap coefficient, 0.5 step size. Default value is 41.5. |
Pre-Cursor 1,0.5 step size | -16.0 to +15.5 | FHT pre tap 1 coefficient, 0.5 step size. Default value is 0.0. |
Pre-Cursor 2,0.25 step size | -8.0 to +7.75 | FHT pre tap 2 coefficients, 0.25 step size. Default value is 0.0. |
Pre-Cursor 3,0.25 step size | -8.0 to +7.75 | FHT pre tap 3 coefficients, 0.25 step size. Default value is 0.0. |
Parameter | Values | Description |
---|---|---|
Enable FHT RX P&N Invert | Disabled Enabled |
Enable FHT RX P and N inversion. Default value is Disabled. |
Select FHT RX Termination | RXTERM_OFFSET_P0(90 Ohms) RXTERM_OFFSET_P2(94.6 Ohms) RXTERM_OFFSET_P3(97.7 Ohms) RXTERM_OFFSET_P4(100 Ohms) RXTERM_OFFSET_P5(102.3 Ohms) RXTERM_OFFSET_P6(105.4 Ohms) RXTERM_OFFSET_P7(107.7 Ohms) RXTERM_OFFSET_P8(110 Ohms) RXTERM_OFFSET_M4(80.8 Ohms) RXTERM_OFFSET_M5(83.1 Ohms) RXTERM_OFFSET_M6(85.4 Ohms) RXTERM_OFFSET_M7(87.7 Ohms) |
Selects FHT RX termination resistor setting. Default value is RXTERM_OFFSET_P0(90 Ohms). |
Select FHT external AC Cap | EXTERNAL_AC_CAP_ENABLE EXTERNAL_AC_CAP_DISABLE |
Enable external AC coupling capacitance. Default value is EXTERNAL_AC_CAP_ENABLE. |