SAM4L Datasheet, PDF (317/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
16.6 User Interface
16.6.1 Memory Map Overview
Table 16-1. PDCA Register Memory Map
Address Range
0x000 - 0x03F
0x040 - 0x07F
...
(0x000 - 0x03F)+m*0x040
0x834
Contents
DMA channel 0 configuration registers
DMA channel 1 configuration registers
...
DMA channel m configuration registers
Version register
The channels are mapped as shown in Table 16-1. Each channel has a set of configuration reg-
isters, shown in Table 16-2, where n is the channel number.
16.6.2 Channel Memory Map
Table 16-2. PDCA Channel Configuration Registers
Offset
Register
0x000 + n*0x040
Memory Address Register
0x004 + n*0x040
Peripheral Select Register
0x008 + n*0x040
Transfer Counter Register
0x00C + n*0x040
Memory Address Reload Register
0x010 + n*0x040
Transfer Counter Reload Register
0x014 + n*0x040
Control Register
0x018 + n*0x040
Mode Register
0x01C + n*0x040
Status Register
0x020 + n*0x040
Interrupt Enable Register
0x024 + n*0x040
Interrupt Disable Register
0x028 + n*0x040
Interrupt Mask Register
0x02C + n*0x040
Interrupt Status Register
Register Name
MAR
PSR
TCR
MARR
TCRR
CR
MR
SR
IER
IDR
IMR
ISR
Access
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Read/Write
Read-only
Write-only
Write-only
Read-only
Read-only
Reset
0x00000000
- ⁽¹⁾
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
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
Table 16-3.
Offset
0x834
PDCA Version Register Memory Map
Register
Version Register
Register Name
VERSION
Access
Read-only
Reset
- ⁽¹⁾
Note: 1. The reset values are device specific. Refer to the Module Configuration section at the end of this chapter.
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