Darren Lu
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Votes on activity by Darren Lu-
Apollo3 Blue Plus MCU Datasheet
Attached is revision 0.3.0 of the Apollo3 Blue Plus MCU datasheet.
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Apollo3 BLE buck brownout issue summary
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RMA Report: Non-retention of Cache RAM Data During Deep Sleep
RMA Report is attached as below.
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Q&A: Why is there no STIMER interrupt in some rare cases?
Full Question(s): We are using Apollo3 STIMER for FreeRTOS9 scheduling and there is FreeRTOS hang up issue in some rare cases. After the investigation, we find FreeRTOS hang up is caused by that ST...
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Q&A: Why do I sometimes see the Ctimer counter keep at 0 after my Ctimer configuration and start operation?
Full question(s): Why do I sometimes see the Ctimer counter keep at 0 after my Ctimer configuration and start operation? Answer(s): While most of the Ctimer register bits are reset by the generic c...
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Apollo3 BLE BUCK Q&A
Background: We are using Apollo3blue for wearable production and a few of the boards are found brown-out issue. The reset register value is 0x484 which indicates there was a BLE buck brown out. Whi...
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Apollo3 SIMOBUCK Q&A
Full question(s): I am using Apollo3 deep sleep example code to test current on my board and Apollo3 EVB. The current on my board is much higher (200uA @ 1.8V) than the current on EVB. After swappi...