main mi np4 midi 03 mid03

0

3

1

2

. . . . . .

cm aX= . d[cm]= . .

. .

tim prog
pwm
adc
lis

program ram
usb conne

http://www.usb.org/developers/docs/devclass_docs/midi10.pdf
f4dis _ http://www.st.com/content/ccc/resource/technical/document/user_manual/70/fe/4a/3f/e7/e1/4f/7d/DM00039084.pdf/files/DM00039084.pdf/jcr:content/translations/en.DM00039084.pdf