ME333 2013 Quiz 2

1.  Give the SYSCLK clock speed, amount of flash program memory, and amount of RAM data memory on the PIC32 on the NU32 board.
  -SYSCLK = 80MHz
  -512kB Flash
  -128kB RAM

2.  Explain what a Special Function Register is.
  -AN SFR is a 32-bit word that controls the functions of the pins and other peripherals of the PIC32.

3.  Which of these does the PIC32 not have:  analog input, analog output, or digital output?
  -Analog Output

4.  Explain the purpose of the prefetch cache module.
  -The PCM stores recently executed program instructions, and can run ahead of the current instruction and predictively prefetch future instructions into the cache. This allows the CPU to access instructions without waiting for the relatively slow flash to return them.

5.  Name the four main regions of the physical memory map.
  -Program Flash
  -RAM
  -SFRs
  -Boot Flash

6.  How many bytes are used to represent an address on the PIC32?
  -4 bytes (32bits / 8bits_per_byte)