ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1050

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

40.5.17
Name:
Addresses: 0x400B004C [0], 0x400B0074 [1], 0x400B009C [2], 0x400B00C4 [3]
Access:
Reset:
• SRC_DSCR
0: Source address is updated when the descriptor is fetched from the memory.
1: Buffer Descriptor Fetch operation is disabled for the source.
• DST_DSCR
0: Destination address is updated when the descriptor is fetched from the memory.
1: Buffer Descriptor Fetch operation is disabled for the destination.
• FC
This field defines which device controls the size of the buffer transfer, also referred as to the Flow Controller.
• SRC_INCR
1050
31
23
15
–
–
–
7
–
SRC_INCR
SAM3U Series
DMAC Channel x [x = 0..3] Control B Register
000
001
010
011
FC
00
10
DMAC_CTRLBx [x = 0..3]
Read-write
0x00000000
IEN
30
22
14
–
6
–
FC
Peripheral-to-Peripheral
Type of addressing mode
Memory-to-Peripheral
Peripheral-to-Memory
Memory-to-Memory
INCREMENTING
Type of transfer
29
21
13
–
5
–
FIXED
DST_INCR
DST_DSCR
28
20
12
–
4
–
DMA Controller
DMA Controller
DMA Controller
DMA Controller
Flow Controller
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
25
17
–
9
–
1
–
SRC_INCR
6430D–ATARM–25-Mar-11
SRC_DSCR
24
16
8
–
0
–