
PIC32MX1XX/2XX
DS61168D-page 116
Preliminary
2011-2012 Microchip Technology Inc.
REGISTER 9-12:
DCHxSSIZ: DMA CHANNEL x SOURCE SIZE 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
U-0
—
23:16
U-0
—
15:8
R/W-0
CHSSIZ<15:8>
7:0
R/W-0
CHSSIZ<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 31-16 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
REGISTER 9-13:
DCHxDSIZ: DMA CHANNEL x DESTINATION SIZE 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
U-0
—
23:16
U-0
—
15:8
R/W-0
CHDSIZ<15:8>
7:0
R/W-0
CHDSIZ<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 31-16 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