• GIC 3.0's SGI interrupt latency seems much bigger than GIC 2.0
    Hi, I tested SGI interrupt latency, it seems that GIC3.0's SGI interrupt latency are much bigger than GIC2.0. How to test: GIC3.0: 1. read timestamp(t01) 2. core0 write ICC_SGI0R_EL1 to trigger...
  • how to switch from EL3 to El1 inside u-boot before linux kernel?
    linux requires EL1,however uboot is in EL3 mode.linux is halted.
  • [Cortex M0] Number of clock cycles for LDR instruction
    Hello, I need to know the exact number of the clock cycles per each instruction in terms of the system clock frequency especially the "LDR" instruction Here is the needed instruction: "LDR r3,[r1...
  • Connected devices -- Estimating the number of IoT devices
    Nick Hunn, author and creator of the blog – Creative Connectivity, has a neat approach to determine the volume projections of IoT node devices (he focuses on Bluetooth Smart technology). His analysis...
  • Is there a limit on the number of APB slaves on the AHB to APB bridge?
    Is there a limit on the number of APB slaves on the AHB to APB bridge?