PMA Direct Control Register Tab

In this tab you specify control settings.

Table 1. Control Register Tab Settings
Parameter	Choices	Notes
Mode	"TX FIFO, RX FIFO" "TX FIFO, RX Register" TX FIFO RX FIFO	Choose whether you want a FIFO on RX and TX, or TX only (RX in register mode). Refer to "RX Register Mode (Design Considerations)" in the Titanium PMA Direct User Guide for details.
Bonding Mode	x1, x2, x4, x8	Choose how many lanes to use together. Refer to "Channel Bonding Mode" in the Titanium PMA Direct User Guide for details.
Tx Edge Boost Enable	On, off	Default: On
Edge Boost Tune	User defined	Default: 0x2. Allowed values are 0x0 to 0x3.
Tx Amplitude Boost Enable	On, off	Default: Off
Amplitude Boost Tune	User defined	Default: 0x4. Allowed values are 0x0 to 0x7.
Tx equalization mode	Deemphasis, 3 taps FIR filter	Default: Deemphasis
Tx Polarity Inversion	On, off	Default: Off
Rx Polarity Inversion	On, off	Default: Off
Deemphasis	Off, 3.5 dB, 6 dB	Default: Off
Main C₀	User defined	Default: 0x2d Specify the coefficient values to use for the FIR filter. Used with 3 taps FIR filter option.
Pre C_-1	User defined	Default: 0x0 Specify the coefficient values to use for the FIR filter. Used with 3 taps FIR filter option.
Post C₊₁	User defined	Default: 0x0 Specify the coefficient values to use for the FIR filter. Used with 3 taps FIR filter option.