PIC32MX1XX Datasheet, PDF (107/320 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 9-2: DMASTAT: DMA STATUS REGISTER
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
U-0
31:24
—
U-0
23:16
—
U-0
15:8
—
U-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
—
—
—
—
U-0
U-0
U-0
R-0
—
—
—
RDWR
Bit
Bit
Bit
26/18/10/2 25/17/9/1 24/16/8/0
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
U-0
U-0
U-0
—
—
—
R-0
R-0
R-0
DMACH<2:0>
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 31-4 Unimplemented: Read as ‘0’
bit 3 RDWR: Read/Write Status bit
1 = Last DMA bus access was a read
0 = Last DMA bus access was a write
bit 2-0 DMACH<2:0>: DMA Channel bits
These bits contain the value of the most recent active DMA channel.
REGISTER 9-3: DMAADDR: DMA ADDRESS 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
R-0
31:24
R-0
23:16
R-0
15:8
R-0
7:0
R-0
R-0
R-0
R-0
R-0
DMAADDR<31:24>
R-0
R-0
R-0
R-0
R-0
DMAADDR<23:16>
R-0
R-0
R-0
R-0
R-0
DMAADDR<15:8>
R-0
R-0
R-0
R-0
R-0
DMAADDR<7:0>
Bit
25/17/9/1
R-0
R-0
R-0
R-0
Bit
24/16/8/0
R-0
R-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 31-0 DMAADDR<31:0>: DMA Module Address bits
These bits contain the address of the most recent DMA access.
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 107