PIC32MX1XX Datasheet, PDF (117/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
REGISTER 9-14: DCHxSPTR: DMA CHANNEL x SOURCE POINTER REGISTER⁽¹⁾
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Range 31/23/15/7 30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3 26/18/10/2 25/17/9/1
U-0
31:24
—
U-0
23:16
—
R-0
15:8
R-0
7:0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
R-0
R-0
R-0
R-0
R-0
R-0
CHSPTR<15:8>
R-0
R-0
R-0
R-0
R-0
R-0
CHSPTR<7:0>
Bit
24/16/8/0
U-0
—
U-0
—
R-0
R-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-16 Unimplemented: Read as ‘0’
bit 15-0 CHSPTR<15:0>: Channel Source Pointer bits
1111111111111111 = Points to byte 65,535 of the source
•
•
•
0000000000000001 = Points to byte 1 of the source
0000000000000000 = Points to byte 0 of the source
Note 1: When in Pattern Detect mode, this register is reset on a pattern detect.
REGISTER 9-15: DCHxDPTR: DMA CHANNEL x DESTINATION POINTER REGISTER
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Range 31/23/15/7 30/22/14/6 29/21/13/5 28/20/12/4 27/19/11/3 26/18/10/2 25/17/9/1
U-0
31:24
—
U-0
23:16
—
R-0
15:8
R-0
7:0
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
U-0
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
—
R-0
R-0
R-0
R-0
R-0
R-0
CHDPTR<15:8>
R-0
R-0
R-0
R-0
R-0
R-0
CHDPTR<7:0>
Bit
24/16/8/0
U-0
—
U-0
—
R-0
R-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 31-16 Unimplemented: Read as ‘0’
bit 15-0 CHDPTR<15:0>: Channel Destination Pointer bits
1111111111111111 = Points to byte 65,535 of the destination
•
•
•
0000000000000001 = Points to byte 1 of the destination
0000000000000000 = Points to byte 0 of the destination
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 117