PDA

Voir la version complète : UPA can't read HC912B32 mask 0J38M


procar
26/06/2011, 12h51
hi friends

i can't read this mcu HC912B32 mask 0J38M always i have bad BKGD ( < 1V )

i lift pin reset and pin bkgd
i use power supply
upa test hardware ok

but my upa not read this mcu always bad bkgd in " connection "
i use this pin connection :
http://img4.imageshack.us/img4/6792/hc912b32upa.th.png (http://imageshack.us/photo/my-images/4/hc912b32upa.png/)

anybody know way ?
thank you