[31:10] - 예약됨

[9:7] - N

[6:5] - M

[4:0] - L

아무튼 상세한 건 PXA255 developers' manual 볼것

=== N ===

왜 N인지는 모르겠고.. Run Mode Frequency to Turbo Mode Frequency Multiplier

=== M ===

Memory Frequency to Run Mode Frequency Multiplier

=== L ===

Crystal Frequency to Memory Frequency Multiplier

=== CCCR = 0x141 의 의미 ===

 * N = 010(2)

Multiplier = 1

 * M = 10(2)

Multiplier = 2

 * L = 00001(2)

Multiplier = 27(Memory Frequency is 99.53MHz from 3.6864MHz crystal)


