ViewSonic VX912-4 Service Manual page 39

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Appendix C : 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
Step 2
Step 1
Step 3
Step 4
Fig. 3.1
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 .
36
ViewSonic Corporation
VX912-4
Confidential - Do Not Copy

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