![background image](http://html1.mh-extra.com/html/viewsonic/va702-3/va702-3_service-manual_1020940035.webp)
ViewSonic Corporation
Confidential - Do Not Copy
VA702-3_VA702b-3
32
3.
Use ISP to program MCU
3.1 Select MTV type first , load the binary or intel hex file that you want to program into the MCU , and select “ AUTO”
item , then press “ RUN “ button , see fig3.1
3.2 If user change the MTV type , it must load file again , or the buffer of load file will be cleared .
3.3 CRC ( cyclic redundancy check ) : the host can check CRC register’s result instead of reading every byte in
flash . The message of
Check MCU CRC OK
means that the host verify OK for the progress of program .