1.How many files can the offline downloader save?The downloader can store 14M bytes. If the file size is 128K bytes (actual burning length), more than 100 files can be saved. The smaller the file, the more files can be saved 2.How to power the offline downloader?Voltage rangeSupport 3.3V-5V.The offline downloader is a standard USB interface. All standard USB power supply devices can power the offline downloader. 3.Can the offline downloader be downloaded through the serial port (ISP download, jumper BOOT required)?At present, our offline downloader only supports" SWD" /& ldquo; JTAG" Interface. Currently, serial port (ISP) interface downloading is not supported. 4.Is the offline downloader protected?The offline downloader in has USB ESD protection, with 1T45/2T45 bus drive port ESD protection, over-current and anti reverse connection protection. Please feel free to use. 5.Why does the offline downloader display" when downloading; Chip not detected" Error?Check whether the connection between the offline downloader and the target CPU is correct. If the program prohibits or reuses" SWD" Pin, please connect pin 5 of the offline downloader" RESET" To target CPU" RESET" Feet. 1.Can the offline downloader be hot plugged?Theoretical support hot plug 2.Can the offline downloader be connected; "JTAG" Burn Chip? Because"JTAG" Pin already contains"SWD" Pin, so you can use the"JTAG" Burn Chip The wiring is as follows: JTAG SWD 01 pin VCC VCC 07 pin TMS SWDIO 09 pin TCK SWCLK 20 pin GND GND 3.The offline downloader supports the downloader to switch and burn files? You can switch the image file through the computer software, or you can switch the file through the operation of the downloader itself 4.Does the offline downloader support self burning? It supports automatic burning, and automatica