I used rcm5600w interface board. Interface board used manual jumper to switch between download/debug and run programs.
Pins 1–2 on header JP1 on the Interface Board must be jumpered to download and debug applications. Pins 1–2 should be left unjumpered to run an program already loaded in flash memory.
I want to replace the manual switch with automatic switch, using ic switch MAX4514 or MAX4515. My question: Ic switch requires control pin to connect and disconnect switch. Which rcm5600w pin can be used to control the ic? Thank you.
Good afternoon, If I understand the question correctly you want to use an IC to control SMODE bit and you want to control this IC from RCM5600.
There is no easy way to do this because after reset all signals on Rabbit processor are set to their default state.
It is possible to connect SMODE to CBUS2 pin of FT232 and use that signal to control 5600.Please refer to FTDI documentation on how to do this.
@MargaretK, Thank You. If I unjumpered pins 1-2 and then jumpered pins 3-4 on header JP1 on the Interface Board RCM5600W , this will connect CBUS2 pin of FT232 to pin 13 of the 74HC125 (pin 13 will be pulled up to 3.3v when download processing). I tried to download the program into the rabbit but failed.
Jumpered pins 3-4 is same logic with jumpered pins 1-2, the only difference is the source triger to pin 13 of the 74HC125 from Vcc (pins 1-2 jumpered) or CBUS2 pin of FT232 (pins 3-4 jumpered), but why i failed when download process?