question about DMA

Hi, I'd like to connect parallel data (8 bit,10MHz) to the MCU STM32F103RB6 directly GPIO (in DMA mode). It's possibly access DMA?
questions about vttbr_el2

Hello, In the ARM Architecture Reference Manual ARMv8, for ARMv8-A architecture profile, there's a description about vttbr_el2: " Register bits[47:x] hold bits[47:x] of the stage 1 translation table...
Question About $REGUSE

For an assembly coded function intended for C, is it necessary to include parameter registers in the $REGUSE statement? If you don't include these in the ASM function's $REGUSE statement, will the...
Questions about XBYTE

Hi I'm new to Keil so please bear with me. for(nddX=0;nddX<imgDownloaded.bWidth;nddX++) XBYTE[HIGHEST_BYTE|START_1BYTE]=bImage[nPnt+nddX]; where HIGHEST_BYTE is defined as 0x30 and START_1BYTE...
questions about vttbr_el2

Hello, In the ARM Architecture Reference Manual ARMv8, for ARMv8-A architecture profile, there's a description about vttbr_el2: " Register bits[47:x] hold bits[47:x] of the stage 1 translation table...