63
XMEGA A [MANUAL]
8077I–AVR–11/2012
5.14.8 SRCADDR0 – Source Address register 0
SRCADDR0, SRCADDR1, and SRCADDR2 represent the 24-bit value SRCADDR, which is the DMA channel source
address. SRCADDR2 is the most significant byte in the register. SRCADDR may be automatically incremented or
decremented based on settings in the SRCDIR bits in “ADDRCTRL – Address Control register” on page 58.
Bit 7:0 – SRCADDR[7:0]: Channel Source Address byte 0
These bits hold byte 0 of the 24-bit source address.
5.14.9 SRCADDR1 – Channel Source Address register 1
Bit 7:0 – SRCADDR[15:8]: Channel Source Address byte 1
These bits hold byte 1 of the 24-bit source address.
5.14.10 SRCADDR2 – Channel Source Address register 2
Reading and writing 24-bit values require special attention. For details, refer to “Accessing 24- and 32-bit Registers” on
Bit 7:0 – SRCADDR[23:16]: Channel Source Address byte 2
These bits hold byte 2 of the 24-bit source address.
5.14.11 DESTADDR0 – Channel Destination Address register 0
DESTADDR0, DESTADDR1, and DESTADDR2 represent the 24-bit value DESTADDR, which is the DMA channel
destination address. DESTADDR2 holds the most significant byte in the register. DESTADDR may be automatically
incremented or decremented based on settings in the DESTDIR bits in “ADDRCTRL – Address Control register” on page
Bit 7:0 – DESTADDR[7:0]: Channel Destination Address byte 0
These bits hold byte 0 of the 24-bit source address.
Bit
7
654
32
10
+0x08
SRCADDR[7:0]
Read/Write
R/W
Initial Value
0
000
00
Bit
7
65
43
2
1
0
+0x09
SRCADDR[15:8]
Read/Write
R/W
Initial Value
0
Bit
765
43
21
0
+0x0A
SRCADDR[23:16]
Read/Write
R/W
Initial Value
000
00
0
Bit
765432
10
+0x0C
DESTADDR[7:0]
Read/Write
R/W
Initial Value
000000
00
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