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| Company | Trenz Electronic GmbH |
|---|---|
| AVN Number | AVN-2022061020220701.1 |
| Title | AVN-20220610AVN20220701.1 TEB0911 readback FAN Sense does not work |
| Subject | Information about FAN Sense value over CPLD I2C interface |
| Issue Date | 2022-0607-1001 |
Products Affected
Affected Product | Effected Changes |
|---|---|
| TEB911-01-* | #1,#2 |
| TEB911-02-* | #1,#2 |
| TEB911-03-* | #1,#2 |
| TEB911-04-* | #1,#2 |
Description
Read back of the FAN SENSE pin is currently not possible due to the following problems
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The problem refers only to the read back current setup. Configure fan speed is not affected by this AVN.
#1 Incorrect Voltage Level for F1SENSE, F2SENSE, F3SENSE
Problem can be solved with following HW changes:
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#2 CPLD I2C Slave IP Bug
I2C-get register reading is not possible with CPLD Firmware Version 05 or older. Update of the CPLD Firmware with correct is planned.
Production Shipment Schedule
We are issuing a new revision o TEB0911 and will make the necessary changes to future boards.
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Method of Identification
- The module revision number is printed on the top side of the PCB:
Contact Information
If you have any questions related to this AVN, please contact Trenz Electronics Technical Support at
- forum.trenz-electronic.de
- wiki.trenz-electronic.de
- support%trenz-electronic.de (subject = AVN-22220429)
phone
national calls: 05741 3200-0
international calls: 0049 5741 3200-0
Disclaimer
Any projected dates in this AVN are based on the most current product information at the time this AVN 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.
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