ZHCSNJ7A 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. |