i am a complete newbie to programming etc and have purchased the stk 500 in order to develop an entry system based on the at90s8515 smartcard i have read quite alot of documentation regarding isp but i,am am now totaly bemused and cant progress until i have satisfied a stable hardware enviorument the following is my understanding of programming these smartcard/ic,s externally.
the manual states the stk 500 is capable of programming external targets using either of the two isp headers ie 6pin/10pin
i have fabricated an interface which contains 1 iso card slot and 1 40 pin zif socket and following the pinouts have wired this to match the 6 pin header but am unable to read/program/erase/ any ic/card with this method ?
does external programming require that other components be placed after the stk and before the target ?
using the 40pin at90s8515 i have enabled isp using the stk in the onboard dil socket and then placed it in the external interface but still no luck?
please help before i commit this hardware to the furnace
thanks in advance