| Company | Trenz Electronic GmbH |
|---|---|
| PCN Number | PCN-20240803 |
| Title | TE0890-01 to TE0890-02 Hardware Revision Change |
| Subject | Hardware Revision Change |
| Issue Date | 2024-08-26 |
Products Affected
This change affects all Trenz Electronic TE0890 SoMs: TE0890-01*.
Affected Product | Replacement |
|---|---|
| TE0890-01-P1C-5-A | TE0890-02-P1C-5-A |
Changes
#1 Changed DCDC EP53A7HQI (U10) / EP53A7LQI (U4) to MPM3834CGPA-Z and adapted power circuit.
Type: Schematic Change
Reason: EOL of Component.
Impact: None. Minor changes in electrical characteristics.
#2 Changed power-up sequencing.
Type: Schematic Change
Reason: Follow AMD recommendation.
Impact: None.
#3 Added jumper (J5) option (default: not fitted) and resistor (R24) to enable JTAG only boot mode.
Type: Schematic Change
Reason: QSPI programming problems with newer Vivado versions.
Impact: None. JTAG boot mode directly accessible. Fix QSPI programming problems with newer Vivado versions according to AR#00002 - QSPI Programming issues.
#4 Added pull-up resistor (R3) for HyperRAM (U2) signal "CS0" to power rail "3.3V".
Type: Schematic Change
Reason: Follow ISSI recommendation.
Impact: None. Improved power-up handling.
#5 Added pull-up resistor (R25, R26) for Flash (U6).
Type: Schematic Change
Reason: Improve connectivity.
Impact: None.
#6 Added series termination resistor (R27) for MEMS oscillator (U3).
Type: Schematic Change
Reason: Improve impedance matching.
Impact: None. Improved signal quality.
#7 Changed "DNP"-resistor (R5) to 1 kOhm (default: not fitted).
Type: BOM Change
Reason: Improve internal process.
Impact: None.
#8 Changed ferrid bead (L1) from BKP0603HS121-T to MPZ0603S121HT000.
Type: BOM Change
Reason: EOL of component.
Impact: None.
#9 Added testpoints (TP14 ... TP18).
Type: Schematic Change
Reason: Voltage monitoring improvement.
Impact: None.
#10 Added UKCA logo.
Type: PCB Change
Reason: Required for export to UK.
Impact: None.
#11 Added system and power diagram, legal notices and revision history. Updated page count and order.
Type: Documentation Update
Reason: Documentation improvement.
Impact: None.
Method of Identification
The revision number is printed on the top side of the PCB.
Production Shipment Schedule
This change takes place with immediate effect. 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-20240803)
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.
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