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Re: 上电出现死机问题
我这边 s2 芯片也有这种情况, 参考你的问题和提供的思路, 最终定位是在EN脚上, 添加一个下拉在断电的情况下可以快速释放电压, 由于要上拉, 参考芯片手册要求的最低电压0.75*VDD, 最终采用比最低电压高0.2V左右来分压, 也能大大降低启动死机概率, 概率要比假负载低很多
- Sat Apr 02, 2022 3:29 am
- Forum: ESP-IDF
- Topic: esp-idf linker script question
- Replies: 2
- Views: 4785
Re: esp-idf linker script question
auto_init.lf
[sections:auto_init]
entries:
.auto_init+
[scheme:auto_default]
entries:
auto_init -> dram0_data
[mapping:auto_init]
archive: *
entries:
* (auto_default);
auto_init -> dram0_data KEEP() ALIGN(4, pre, post) SURROUND(auto_init)
You can try this link configuration
[sections:auto_init]
entries:
.auto_init+
[scheme:auto_default]
entries:
auto_init -> dram0_data
[mapping:auto_init]
archive: *
entries:
* (auto_default);
auto_init -> dram0_data KEEP() ALIGN(4, pre, post) SURROUND(auto_init)
You can try this link configuration