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GeneralRe: Coding vent post Pin
Ron Anders7-Dec-21 15:55
MemberRon Anders7-Dec-21 15:55 
GeneralRe: Coding vent post Pin
honey the codewitch7-Dec-21 15:56
mvahoney the codewitch7-Dec-21 15:56 
GeneralRe: Coding vent post Pin
Mircea Neacsu7-Dec-21 16:32
mvaMircea Neacsu7-Dec-21 16:32 
GeneralRe: Coding vent post Pin
honey the codewitch7-Dec-21 16:41
mvahoney the codewitch7-Dec-21 16:41 
GeneralRe: Coding vent post Pin
Rick York7-Dec-21 16:11
mveRick York7-Dec-21 16:11 
GeneralRe: Coding vent post Pin
honey the codewitch7-Dec-21 16:17
mvahoney the codewitch7-Dec-21 16:17 
GeneralRe: Coding vent post Pin
OriginalGriff7-Dec-21 20:51
mveOriginalGriff7-Dec-21 20:51 
GeneralRe: Coding vent post Pin
ElectronProgrammer8-Dec-21 1:59
MemberElectronProgrammer8-Dec-21 1:59 
I was going to suggest this too. Watch the control signals and at least one data, preferably one you know changes the most.

Also,
honey the codewitch wrote:
I have a layer to do the 8-bit bus I/O (software bit banging the pins on and off)

might be the source of the problem depending on how it is implemented. Since it is a parallel bus all bits have to change at the same time (using ANDs or ORs or XORs) otherwise the different rise times of the bits can trigger a bad command or cause the command to be ignored.
GeneralRe: Coding vent post Pin
lmoelleb7-Dec-21 21:48
Memberlmoelleb7-Dec-21 21:48 
GeneralRe: Coding vent post Pin
Maximilien8-Dec-21 2:19
MemberMaximilien8-Dec-21 2:19 
GeneralRe: Coding vent post Pin
Daniel Pfeffer8-Dec-21 2:36
professionalDaniel Pfeffer8-Dec-21 2:36 
GeneralRe: Coding vent post Pin
jeron18-Dec-21 4:53
Memberjeron18-Dec-21 4:53 
GeneralRe: Coding vent post Pin
honey the codewitch8-Dec-21 5:02
mvahoney the codewitch8-Dec-21 5:02 
GeneralRe: Coding vent post Pin
jeron18-Dec-21 5:23
Memberjeron18-Dec-21 5:23 
GeneralRe: Coding vent post Pin
honey the codewitch8-Dec-21 5:33
mvahoney the codewitch8-Dec-21 5:33 
GeneralRe: Coding vent post Pin
jeron18-Dec-21 5:47
Memberjeron18-Dec-21 5:47 
GeneralRe: Coding vent post Pin
honey the codewitch8-Dec-21 6:23
mvahoney the codewitch8-Dec-21 6:23 
GeneralRe: Coding vent post Pin
jeron18-Dec-21 6:28
Memberjeron18-Dec-21 6:28 
Generalmy first source code generator, yea!.. and a question Pin
Super Lloyd7-Dec-21 14:06
MemberSuper Lloyd7-Dec-21 14:06 
GeneralRe: my first source code generator, yea!.. and a question Pin
honey the codewitch7-Dec-21 15:32
mvahoney the codewitch7-Dec-21 15:32 
GeneralRe: my first source code generator, yea!.. and a question Pin
Super Lloyd7-Dec-21 16:43
MemberSuper Lloyd7-Dec-21 16:43 
GeneralRe: my first source code generator, yea!.. and a question Pin
honey the codewitch7-Dec-21 16:53
mvahoney the codewitch7-Dec-21 16:53 
GeneralRe: my first source code generator, yea!.. and a question Pin
Super Lloyd7-Dec-21 17:01
MemberSuper Lloyd7-Dec-21 17:01 
GeneralRe: my first source code generator, yea!.. and a question Pin
Super Lloyd7-Dec-21 17:12
MemberSuper Lloyd7-Dec-21 17:12 
GeneralRe: my first source code generator, yea!.. and a question Pin
honey the codewitch7-Dec-21 17:55
mvahoney the codewitch7-Dec-21 17:55 

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