• AT91SAM7X256 interrupt pending
    Im using irq0 to generate an interrupt. when i debug the code, the values for SMR and SVR register are correct (as i can see in the AIC window). But the ISR is never serviced. and the pending flag for...
  • Can not boot from the AT91SAM7x256
    I use the ULINK to debug the troubles why the code can not work in AT91SAM7x256. The following is my memory mapping. In the target environments, the ROM address and SRAM address are set to 0x0010-0000...
  • action strange in the at91sam7x256 sample.
    In the hid sample of at91sam7x256,while read data out from pc,the DataOutStage behaved stangely! The EP0Data.pData and EP0Data.Count reset to zero when receive data more than the MAX_LENGTH_EP0.so if...
  • how store data in flash in at91sam7x256 with uvision
    hi if i want save data in AT91sam7x256 how use uvision.I know at91sam7x256 have not e2prom but i want save data & when I power down/up ,i can use them.i listened about noinit & __attribute__((zero_init...
  • Debug simulator RTT, SPI1 on AT91SAM7X256
    RealView MDK-ARM Version: 3.80a 1) Why does not work debug simulator RTT? My code: // startup SAM7.c (default Keil) #include <AT91SAM7X256.h> int main(void){ // RTT_Init // AT91C_BASE_PMC->PMC_PCER...