STM32WLxx possible wrong sync word register address
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‎2022-07-29 4:51 AM
Hi, i had a problem when i try to implement a bare metal code for STM32WLE5JC for GFSK modulation. The sync word in the reference manual of the MCU state that begin from registers SUBGHZ_GSYNCR0 - SUBGHZ_GSYNCR7 (Addresses:0x06C7 - 0x06C0), so it can be up to 8 bytes with the first byte start from SUBGHZ_GSYNCR0(0x06C7). But it not worked for me until i open SX126x datasheet which state the opposite, so GSYNCR0 - GSYNCR7 (Addresses:0x06C0 - 0x06C7) which is worked. I mention it here for someone else which may have the same problem.
- Labels:
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LoRa
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STM32WL series
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‎2022-08-08 7:32 AM
Hi @XKeto.1​ ,
I confirm the issue; there is mistake in the Reference Manual.
The SUBGHZ_GSYNCR0 - SUBGHZ_GSYNCR7 registers for Addresses:0x06C0 - 0x06C7.
I reported this issue internally.
Internal ticket number: 132857 (This is an internal tracking number and is not accessible or usable by customers).
Kaouthar
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‎2022-08-16 4:33 AM
Hello @XKeto.1​ ,
As said @KDJEM.1​ the problem has been confirm, and the reference manual and the software will be updated in the next release.
Best Regards
Louis
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‎2023-06-19 2:41 AM
Hello @XKeto.1 ,
This typo is fixed in RM0461 Rev 7 and in RM0453 Rev 5.
Thanks you.
Kaouthar
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