Datasheet

2015 Microchip Technology Inc. Preliminary DS60001320B-page 407
PIC32MZ Embedded Connectivity with Floating Point Unit (EF) Family
REGISTER 26-3: CEBDADDR: CRYPTO ENGINE BUFFER DESCRIPTOR 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-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
BDPADDR<31:24>
23:16
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
BDPADDR<23:16>
15:8
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
BDPADDR<15:8>
7:0
R-0 R-0 R-0 R-0 R-0 R-0 R-0 R-0
BDPADDR<7:0>
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 31-0 BDPADDR<31:0>: Current Buffer Descriptor Process Address Status bits
These bits contain the current descriptor address that is being processed by the Buffer Descriptor Processor
(BDP).
REGISTER 26-4: CEBDPADDR: CRYPTO ENGINE BUFFER DESCRIPTOR PROCESSOR
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 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
BASEADDR<31:24>
23:16
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
BASEADDR<23:16>
15:8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
BASEADDR<15:8>
7:0
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
BASEADDR<7:0>
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 31-0 BASEADDR<31:0>: Buffer Descriptor Base Address bits
These bits contain the physical address of the first Buffer Descriptor in the Buffer Descriptor chain. When
enabled, the Crypto DMA begins fetching Buffer Descriptors from this address.