SNLS697A April 2021 – February 2023 TDES954
PRODUCTION DATA
RX port specific register. The V3Link Port Select register 0x4C configures which unique RX port registers can be accessed by I2C read and write commands.
BIT | FIELD | TYPE | DEFAULT | DESCRIPTION |
---|---|---|---|---|
7 | OVERRIDE_FC _CONFIG | R/W | 0x0 | 1: Disable loading of the DATAPATH_CTL registers from the forward channel, keeping locally written values intact 0: Allow forward channel loading of DATAPATH_CTL registers |
6:2 | RESERVED | R/W | 0x0 | Reserved |
1:0 | FC_GPIO_EN | R/W | 0x0 | Forward Channel GPIO Enable Configures the number of enabled forward channel GPIOs 00: GPIOs disabled 01: One GPIO 10: Two GPIOs 11: Four GPIOs This field is normally loaded from the remote serializer. It can be overwritten if the OVERRIDE_FC_CONFIG bit in this register is 1. |