Features also includes PLIC and vectored interrupts for serving various types of system events, AXI or AHB 64-bit data bus for addressing up to 64-bit address, PowerBrake, QuickNap™ and WFI mode for ...

See word. The major advantage of a 64-bit computer is its larger address bus, which supports considerably more RAM than its 32-bit counterpart. A 32-bit computer is typically limited to 4GB ...

If the bus clock rates are equal ... and 32 bits can handle four gigabytes (GB). Although a 64-bit address register can theoretically access 18 exabytes, address registers in 64-bit computers ...