Freescale Semiconductor /MK20D5 /FMC /PFB0CR

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as PFB0CR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (0)B0SEBE 0 (0)B0IPE 0 (0)B0DPE 0 (0)B0ICE 0 (0)B0DCE 0 (000)CRC0 (00)B0MW 0 (0)S_B_INV 0 (0)CINV_WAY 0 (0)CLCK_WAY 0B0RWSC

S_B_INV=0, CLCK_WAY=0, B0DPE=0, B0ICE=0, B0MW=00, B0DCE=0, B0IPE=0, CINV_WAY=0, B0SEBE=0, CRC=000

Description

Flash Control Register

Fields

B0SEBE

Single Entry Buffer Enable

0 (0): Single entry buffer is disabled.

1 (1): Single entry buffer is enabled.

B0IPE

Instruction Prefetch Enable

0 (0): Do not prefetch in response to instruction fetches.

1 (1): Enable prefetches in response to instruction fetches.

B0DPE

Data Prefetch Enable

0 (0): Do not prefetch in response to data references.

1 (1): Enable prefetches in response to data references.

B0ICE

Instruction Cache Enable

0 (0): Do not cache instruction fetches.

1 (1): Cache instruction fetches.

B0DCE

Data Cache Enable

0 (0): Do not cache data references.

1 (1): Cache data references.

CRC

Cache Replacement Control

0 (000): LRU replacement algorithm per set across all four ways

2 (010): Independent LRU with ways [0-1] for ifetches, [2-3] for data

3 (011): Independent LRU with ways [0-2] for ifetches, [3] for data

B0MW

Memory Width

0 (00): 32 bits

1 (01): 64 bits

S_B_INV

Invalidate Prefetch Speculation Buffer

0 (0): Speculation buffer and single entry buffer are not affected.

1 (1): Invalidate (clear) speculation buffer and single entry buffer.

CINV_WAY

Cache Invalidate Way x

0 (0): No cache way invalidation for the corresponding cache

1 (1): Invalidate cache way for the corresponding cache: clear the tag, data, and vld bits of ways selected

CLCK_WAY

Cache Lock Way x

0 (0): Cache way is unlocked and may be displaced

1 (1): Cache way is locked and its contents are not displaced

B0RWSC

Read Wait State Control

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