Transfer: https://www.cnblogs.com/mm327596194/p/6576528.html
Prepare
1. Jlink one
2. Download the SAM-BA software from Atmel's official website and install it, which is also called AT91-ISP on the Internet.
http://www.atmel.com/zh/cn/tools/sam7s-ek.aspx
3. JLInk factory firmware "v8_ID-XXXXXXXX.bin" (quote) provided by the experts in the forum.
Download link: http://download.csdn.net/detail/suyong_yq/6524913
4. The latest version of Jlink driver software, Baidu.
5. Short-circuit the lead or a wire.
upgrade firmware
- Use the USB interface for power supply (do not do any operation before powering on);
short-circuit ERASE, as shown in the figure A of the black version of Jlink or A of the blue version of Jlink;
wait for 20 seconds, unplug the usb, and restore ERASE to disconnect ERASE;
short the B of the black version of Jlink or the B of the blue version of Jlink;
re-power on and insert usb! So there is a new device in your computer that does not recognize it! Don't worry about him;
wait for more than 10 seconds, pull out the usb, and disconnect TST at the recovery B;
this step needs to be carried out in sequence according to the above steps.
3. Start the SAM-BA software. At this time, the driver in the download mode has been recognized before it can display a valid connection. If it is not recognized, you can try to restart the computer. The chip (board) model is "AT91SAM7S64-EK". As shown in the picture:
After the SAM-BA
is successfully connected, select the firmware file "v8_ID-XXXXXXXX.bin" in the "SendFile Name" column in the "Download/UploadFile" area and click "SendFile" to start downloading; when prompted whether to unlock the Flash, click "Yes
" ;
After the download is complete, it will prompt whether to start the write protection, click "No", after the write protection, it cannot be automatically upgraded, but it can prevent the program from being washed out; exit the SAM-BA software.
4. Disconnect JlinkV8 and reconnect it, identify the driver on the computer;
start the JlinkCommander software, it will prompt you to upgrade the firmware, do not upgrade for now. At this point, you can see that the serial number S/N of the recognized JlinkV8 is -1, which is the factory setting.
Enter "exec setsn=XXXXXXXX" on the command line. Among them, XXXXXXXX is 8 decimal numbers, which can be set arbitrarily, for example, the date of the day. It should be noted that after the serial number is written, the serial number cannot be changed through this command, unless the firmware is rewritten to restore the factory settings. Exit the JlinkCommander software.
The setting is successful as shown in the figure below:
Write SN
5. Disconnect JlinkV8 and reconnect, restart JlinkCommander software, prompt to upgrade, upgrade decisively. JLinkV8 firmware is safely upgraded to the latest version. The firmware update is successful, as shown in the figure:
View SN
