zhangxu56726 发表于 2017-7-7 11:28:24

关于 option 字段

请问下,关于stm32   option bytes

file:///C:\Users\xu\AppData\Roaming\Tencent\Users\290507124\QQ\WinTemp\RichOle\)MGDN`8T6Y@TXF(%98@W17K.pngThe option bytes are used to write-protect the memory (with 4 KB granularity) and/or
readout-protect the whole memory with the following options:
– Level 0: no readout protection
– Level 1: memory readout protection, the Flash memory cannot be read from or
written to if either debug features are connected or boot in RAM is selected
– Level 2: chip readout protection, debug features (Cortex®-M0 serial wire) and
boot in RAM selection disabled

中,Level 1与Level 2 的区别。

Level 2 打开后,如果修改程序,flash还能擦除吗?

MrJiu 发表于 2017-7-7 13:55:43

我没试过,不过听说Level2打开后,这个芯片就相当于固定了,没法再写程序了!!!

zhangxu56726 发表于 2017-7-7 14:05:02

MrJiu 发表于 2017-7-7 13:55
我没试过,不过听说Level2打开后,这个芯片就相当于固定了,没法再写程序了!!! ...

谢谢!
页: [1]
查看完整版本: 关于 option 字段