AN279
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which the offline writer can carry out the offline mass production burn mode
3.2.1 Burning option description
Click “Setting…” the interface of burning option and the descriptions are shown as followed.
Figure 10.
CMT216xA MCU Setting Interface
（
Burning option part
）
Table 10. CMT216x MCU Setting Description
No.
Option
Description
1
Encrypt
Code
The enabling user code encryption option. It is not recommended temporarily.
2
NoXoMode
Disable external crystal (26MHz) mode. This will save cost for situations of no require of
high frequency transmission. It should be noted that CMT216x chip needs to be
connected to the external 26MHz crystal during the initial power-on self-test by default.
Otherwise, the user program will not operate if self-test fails.
3
User
User mode option. If this option is selected, the chip will be burned to User mode. For
details of the User mode feature, see the
AN290 CMT216xA User manual
4
Exe User
Boot
User code execution option. If this option is selected, the user code will be automatically
executed after being loaded. If unchecked, user code is only loaded into PRAM, but not
executed.
5
Run
Run mode option If this option is selected, the chip will be burned into Run mode (that is,
finished chip mode). For details about Run mode features, see the
AN290CMT216xA
user manual
6
FTP Disable
FTP protection switch option. If it is selected under the Run mode, the FTP protection
mechanism takes effect in Re-test mode and FTP access is prohibited. For details about
the protection mechanism and Re-test mode, see
AN290 CMT216xA user manual.
