Peripherical Clock for PORTs

I'm Using an AT91M55800A If I disable all perifericals conected to ports A and B, only use the USARTs, SPI and IRQ interruptions, all ports are used as input or output, What is the mission of PORTA...
Peripherical Clock for PORTs

I'm Using an AT91M55800A If I disable all perifericals conected to ports A and B, only use the USARTs, SPI and IRQ interruptions, all ports are used as input or output, What is the mission of PORTA...
Understanding VPf and NEON link

Note: This was originally posted on 14th March 2011 at http://forums.arm.com I'd like to understand exactly how NEON can be used instead of VPf. I understand that FADDS is now replaced by VADD.f32 But...
Understanding VPf and NEON link

Note: This was originally posted on 14th March 2011 at http://forums.arm.com I'd like to understand exactly how NEON can be used instead of VPf. I understand that FADDS is now replaced by VADD.f32 But...
Understanding armv8 tbx and tbl instructions

-1 down vote favorite From the ARMv8 instruction overview about tbl & tbx instructions, I found that 'tbl' is Vector table lookup instruction is used for rearranging data within vectors and 'tbx'...