雷竞技电竞平台对话框半导体客户支持——智慧nippets otp programming https://support.dialog-semiconductor.com/resource-keywords/smartsnippets-otp-programming en da14580 smartsnippets otp https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-software/da14580-smartsnippets-otp

how to use smartsnippets to OTP?
I use JTAG to download,but the error is
[ERROR @18-08-10 13:01:40] Adddittional error info at address 0x81FEC (MSB first): FF FF FF FD
[ERROR @18-08-10 13:01:40] Memory burning failed.
Why?
VPP is 6.8V
VCC is 3.3V

Device: 
Fri, 10 Aug 2018 05:09:23 +0000 csq 217257 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-software/da14580-smartsnippets-otp#comments