FPC401 EVM GUI Description and Setup
9
SNLU222B – December 2016 – Revised September 2019
Copyright © 2016–2019, Texas Instruments Incorporated
FPC401 and FPC402 Evaluation Module (EVM) User’s Guide
2.4
Remote Access on Downstream Modules
To perform a remote access read or write on a downstream port, select the
Downstream Reads and
Writes
tab. Select the port number, downstream device I2C address, and register offset address. To write,
select a value using the radio boxes in the
WRITE COMMAND
section or type the desired hex value and
click
EXECUTE WRITE
. To read, click
EXECUTE READ
. The
Set I2C Rate
switch will toggle the I2C rate
of the downstream between 100 kHz (SFP) and 400 kHz (QSFP).
Figure 9. FPC401 GUI – Downstream Reads and Writes
