Microchip Technology DV320032 Data Sheet

Page of 344
PIC32MX330/350/370/430/450/470
DS60001185C-page  142
 2012-2013 Microchip Technology Inc.
REGISTER 10-12: 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
U-0
U-0
U-0
U-0
U-0
U-0
U-0
23:16
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
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
CHSSIZ<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
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 10-13: 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
U-0
U-0
U-0
U-0
U-0
U-0
U-0
23:16
U-0
U-0
U-0
U-0
U-0
U-0
U-0
U-0
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
CHDSIZ<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
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