Datasheet

 2009-2013 Microchip Technology Inc. DS60001156H-page 149
PIC32MX5XX/6XX/7XX
REGISTER 9-2: CHEACC: CACHE ACCESS REGISTER
Bit
Range
Bit
31/23/15/7
Bit
30/22/14/6
Bit
29/21/13/5
Bit
28/20/12/4
Bit
27/19/11/3
Bit
26/18/10/2
Bit
25/17/9/1
Bit
24/16/8/0
31:24
R/W-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
CHEWEN — — — — — — —
23:16
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
15:8
U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0
— — — — — — — —
7:0
U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0
— — — — CHEIDX<3:0>
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 31 CHEWEN: Cache Access Enable bits
These bits apply to registers CHETAG, CHEMSK, CHEW0, CHEW1, CHEW2, and CHEW3.
1 = The cache line selected by CHEIDX<3:0> is writeable
0 = The cache line selected by CHEIDX<3:0> is not writeable
bit 30-4 Unimplemented: Write ‘0’; ignore read
bit 3-0 CHEIDX<3:0>: Cache Line Index bits
The value selects the cache line for reading or writing.