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| Company | Trenz Electronic GmbH |
|---|---|
| PCN Number | PCN-20220725 |
| Title | TE0820-04 to TE0820-05 Hardware Revision Change |
| Subject | Hardware Revision Change |
| Issue Date | 2022-08-1504 |
Products Affected
This change affects all Trenz Electronic TE0820 SoMs of Revision 04: TE0820-04*.
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Reason: Improve power management.
Impact: None.
#9 Changed reset, enable and power-up structure with resistor R95, added transistor T2, and added resistor R128.
Type: Schematic Change
Reason: Improve module reset, enable, and power-up. !!! Add more information!!!
Impact: Changed Module reset, enable, and power-up handling . Pleaseis modified. That means that "EN1" signal from B2B connector enables DCDC U5 and can be monitored by CPLD U21 pin 27 (assembly option) (backward compatible mode with assembled resistor R95 and signal "EN1" as enable input), or that signal "EN1" only enables DCDC U5 and CPLD U21 pin 27 is connected to signal "POR_B" via voltage translator T2 (normal mode). Normal mode is standard. Therefore, please, verify that the module meets your requierements.
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