Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
Product codes
ATSAM4L-XPRO
323
42023E–SAM–07/2013
ATSAM4L8/L4/L2
16.6
User Interface
16.6.1
Memory Map Overview
The channels are mapped as shown in
. Each channel has a set of configuration reg-
isters, shown in
, where n is the channel number.
16.6.2
Channel Memory Map
Note:
1. The reset values are device specific. Refer to the Module Configuration section at the end of
this chapter.
16.6.3
Version Register Memory Map
Note:
1. The reset values are device specific. Refer to the Module Configuration section at the end of this chapter.
Table 16-1.
PDCA Register Memory Map
Address Range
Contents
0x000 - 0x03F
DMA channel 0 configuration registers
0x040 - 0x07F
DMA channel 1 configuration registers
...
...
(0x000 - 0x03F)+m*0x040
DMA channel m configuration registers
0x834
Version register
Table 16-2.
PDCA Channel Configuration Registers
Offset
Register
Register Name
Access
Reset
0x000
+ n*0x040
Memory Address Register
MAR
Read/Write
0x00000000
0x004
+ n*0x040
Peripheral Select Register
PSR
Read/Write
0x008
+ n*0x040
Transfer Counter Register
TCR
Read/Write
0x00000000
0x00C
+ n*0x040
Memory Address Reload Register
MARR
Read/Write
0x00000000
0x010
+ n*0x040
Transfer Counter Reload Register
TCRR
Read/Write
0x00000000
0x014
+ n*0x040
Control Register
CR
Write-only
0x00000000
0x018
+ n*0x040
Mode Register
MR
Read/Write
0x00000000
0x01C
+ n*0x040
Status Register
SR
Read-only
0x00000000
0x020
+ n*0x040
Interrupt Enable Register
IER
Write-only
0x00000000
0x024
+ n*0x040
Interrupt Disable Register
IDR
Write-only
0x00000000
0x028
+ n*0x040
Interrupt Mask Register
IMR
Read-only
0x00000000
0x02C
+ n*0x040
Interrupt Status Register
ISR
Read-only
0x00000000
Table 16-3.
PDCA Version Register Memory Map
Offset
Register
Register Name
Access
Reset
0x834
Version Register
VERSION
Read-only
-