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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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Impact: Module reset, enable, and power-up handling is 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 the standard. Therefore, please, verify carefully which that the module meets your requierements and order the correct one.
#10 Added voltage level translator U29 and resistor R129 as assembly option to connect signal "PHY_LED1" to SoC.
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