On Tue, 5 Feb 2013 21:02:06 +0100 Philipp Post post.philipp@googlemail.com wrote:
Stefan,
it would be nice if you could mail renesas and ask them for differences
in the firmware/flash access procedures between the uPD720200A and the uPD720201/uPD720202. if they are equal we might come up with something...<<
Renesas replied the following: "Renesas cannot assist or support such an effort. In addition, the programming interface for the uPD720200 and uPD720200A is different from the uPD720202, needs different programming tools, and relies on proprietary chip features that cannot be disclosed outside of Renesas."
i was notified that someone else implemented a DOS flasher for the uPD720201/uPD720202 in assembler. i don't have time to look into it in detail, but maybe the existing code (and precompiled binary) is of use to you. http://komposter.com.ua/content/kak-vosstanovit-proshivku-renesas-upd72020x-... (google translate somewhat works :)