builtin api functions on Atmel at89c5131

When trying to call the builtin api functions of the Atmel AT89C5131 I get no results - the call simply returns the input values instead of the requested register values. The function doing the call...
builtin api functions on Atmel at89c5131

When trying to call the builtin api functions of the Atmel AT89C5131 I get no results - the call simply returns the input values instead of the requested register values. The function doing the call...
AT89C5131, problems with X2 Mode

Hello, I have a program in C and ASM which works properly on the AT89C5131 from Atmel. But I have a weird problem when I've try to use the X2 Mode without the peripherical (still in X1 Mode): The mode...
AT89C5131, problems with X2 Mode

Hello, I have a program in C and ASM which works properly on the AT89C5131 from Atmel. But I have a weird problem when I've try to use the X2 Mode without the peripherical (still in X1 Mode): The mode...
At89c5131 help

Hi Am using atmel evaluation kit of the usb controller at89c5131 to build a data acquisition card on the usb port ,would like to ask if anyone know about programming the controller and about usb port...