Company | Trenz Electronic GmbH |
---|---|
PCN Number | AVN-22220322 |
Title | AVN-22220322 Problems with PCIe |
Subject | Information and remedy concerning problemtic with PCIe |
Issue Date | 20211214 |
Description:
From time to time there are problems with PCIe on some TEBF0808/TE080x combinations. The problem has various causes and is usually a combination of the following:
- 72992 - Design Advisory for Zynq UltraScale+ MPSoC/RFSoC: Possible link training failures or data errors on PCIe, SATA, or USB 3.0 protocol links using PS GTR
- Xilinx provides patches for older Vivado Version, Vivado 2021.1 or newer should be fixed (Status 22.03.22 → Xilinx has changed this one time, so please check always AR#72992)
- TE080X PCIe Reference Clock initialisation will be done mostly via I2C on FSBL. Xilinx provide custom access on FSBL after MIO and GTR initialisation. PLL initialisation before GTR initialisation will improve the initialisation of the link
- Trenz Electronic provides special FSBL inside Xilinx PSU (between MIO initialisation and GTR initialisation) to solve this problem. This will done since Vivado 18.3 reference design releases
- Alignment Problems with SS5, ST5 connectors which can cause connection problems
- Trenz Electronic has improved improved production to minimize tolerances.
- Trenz Electronic starts to publish new Series TE081X which has same functionality but used ADM6 connectors which has very good selv alignment capabilities
Products Affected
This change affects all Trenz Electronic TEBF08x8 together with compatible SoMs: TE08xx.
Affected Product | Replacement |
---|---|
TEBF0808 | TE |
TEBF0808 |
Changes
#1
Type:
Reason:
Impact:
Method of Identification
Production Shipment Schedule
From XXXXX, after old stock is gone. If the new revision is not suitable for your application and still the former revision of the board is needed, please contact us.
Contact Information
If you have any questions related to this PCN, please contact Trenz Electronics Technical Support at
- forum.trenz-electronic.de
- wiki.trenz-electronic.de
- support%trenz-electronic.de (subject = PCN-JJJJMMDD)
phone
national calls: 05741 3200-0
international calls: 0049 5741 3200-0
Disclaimer
Any projected dates in this PCN are based on the most current product information at the time this PCN is being issued, but they may change due to unforeseen circumstances. For the latest schedule and any other information, please contact your local Trenz Electronic sales office, technical support or local distributor.
This PCN follows JEDEC Standard J-STD-046.