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AT91SAM ARM
For users of the Atmel AT91SAM7 and AT91SAM9 ARM CPU chips. Atmel has taken a new direction by combining on chip flash and ram with the ARM CPU on a single die. This provides low cost devices for small systems using the ARM CPU. This group is to exchange information to help users get started and learn how to use the devices.
Reading the DBGU Serial Output [6 Articles]
"ICLI, Bekir (EXT)" - Feb 20 2008
Hi all,
I am trying to read the serial output from DBGU, and I have taken the settings from board demo program.
But somehow, my prints (and the program, as well) stop after 14-... 
Float multiplication [5 Articles]
=?UTF-8?B?TWljaGHFgg==?= - Feb 19 2008
Hello,
I` am currently working on AT91SAM7S microcontroller. I am implementing
some simple DSP algorithms e.g. FIR filter. I am totally aware of the
fact that fixed point mu... AW: AW: AW: AW: AW: AW: Arm Linking Problem
"ICLI, Bekir (EXT)" - Feb 15 2008
I am using SAM-BA, and there I am saying to put the code to the address 0x2=
0000000
But I don't know, how the processor knows where to start. Does placing the =
code to the mem... help for TWI
michael angelo - Feb 15 2008
Dear all,
I having a problem with the twi, EEPROM AT24C256. When testing using AT91SAM7S-EK development board, read and write function work properly, but when I implementing the... Re: AW: AW: AW: AW: AW: AW: Arm Linking Problem
42Bastian - Feb 15 2008
ICLI, Bekir (EXT) schrieb:
> I am using SAM-BA, and there I am saying to put the code to the address 0x20000000
> But I don't know, how the processor knows where to start. Does... AW: AW: AW: AW: Arm Linking Problem [5 Articles]
"ICLI, Bekir (EXT)" - Feb 15 2008
Hi,
I am saying in the assembly code:
.global entry
entry:=20
.....
And in the linker script file, I am saying ENTRY(entry). Doesn't this mean,=
sta... Performance of AT91SAM7S64 usb port [3 Articles]
Yanjun Luo - Feb 14 2008
Hi,
I'm running usb-device-cdc-serial-project-1.2-at91sam7s-ek
on my board, the performance is very low, far away from
1MByte/S, as datasheet said.
I guess maybe problem is the... Re: help for TWI [2 Articles]
Bill Knight - Feb 13 2008
Michael
Did you turn on the power to the TWI peripheral?
Did you configure the pins for use by the TWI peripheral?
Do you have pull-up resistors on the two TWI pins? 4... AW: AW: AW: Arm Linking Problem [4 Articles]
"ICLI, Bekir (EXT)" - Feb 13 2008
Boot.lib is one of 5 .lib's I am trying to link together.
Right now I am using LFLAGS =3D -nostartfiles -fno-builtin -nostdlib=20
And I am where I have started with arm-elf-ld...