PIC32MX1XX_12 Datasheet, PDF (114/328 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 9-12: DCHxSSIZ: DMA CHANNEL ‘x’ SOURCE SIZE REGISTER
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
31:24
23:16
15:8
7:0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
U-0
—
—
U-0
U-0
—
—
R/W-0
R/W-0
CHSSIZ<15:8>
R/W-0
R/W-0
CHSSIZ<7:0>
U-0
—
U-0
—
R/W-0
R/W-0
Bit
25/17/9/1
U-0
—
U-0
—
R/W-0
R/W-0
Bit
24/16/8/0
U-0
—
U-0
—
R/W-0
R/W-0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
bit 31-16 Unimplemented: Read as ‘0’
bit 15-0 CHSSIZ<15:0>: Channel Source Size bits
1111111111111111 = 65,535 byte source size
•
•
•
0000000000000010 = 2 byte source size
0000000000000001 = 1 byte source size
0000000000000000 = 65,536 byte source size
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
REGISTER 9-13: DCHxDSIZ: DMA CHANNEL ‘x’ DESTINATION SIZE 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
31:24
23:16
15:8
7:0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
—
U-0
—
R/W-0
R/W-0
U-0
U-0
—
—
U-0
U-0
—
—
R/W-0
R/W-0
CHDSIZ<15:8>
R/W-0
R/W-0
CHDSIZ<7:0>
U-0
—
U-0
—
R/W-0
R/W-0
U-0
—
U-0
—
R/W-0
R/W-0
Bit
24/16/8/0
U-0
—
U-0
—
R/W-0
R/W-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 CHDSIZ<15:0>: Channel Destination Size bits
1111111111111111 = 65,535 byte destination size
•
•
•
0000000000000010 = 2 byte destination size
0000000000000001 = 1 byte destination size
0000000000000000 = 65,536 byte destination size
DS61168E-page 114
Preliminary
 2011-2012 Microchip Technology Inc.