from the conventional "Serial Load Hardware Configuration":
to this one:
*completely USB-powered
*no other addtional IC (e.g 74xx125)
**but still need to place the external crystal on the DS89C4x0
inside the cdrking's nokia data cable:
connections (tapping of wires):
actual circuit:
the 40-pin DIP DS89C420 (obsolete part):
the MTK (Loader software):
*works also with Loader420 and hyperterminal..
dalsemi.com/microcontroller/dev_tool_software/mtk/obsolete/
demo ("classic" LED blinker program):
SDCC code:
Very Interesting Stuff!
ReplyDeleteexcellent information, i dont know how to thank you more.
ReplyDeletedoa selepas solat
Borong China
kurus