Datasheet

1099
42023E–SAM–07/2013
ATSAM4L8/L4/L2
41.6 User Interface
Notes: 1. The reset value is device specific. Refer to the Module Configuration section at the en of this chapter.
Table 41-1. CRCCU Register Memory Map
Offset Register Register Name Access Reset
0x00 Descriptor Base Register DSCR Read/Write
0x00000000
0x08 DMA Enable Register DMAEN Write-only
-
0x0C DMA Disable Register DMADIS Write-only
-
0x10 DMA Status Register DMASR
Read-only 0x00000000
0x14 DMA Interrupt Enable Register DMAIER Write-only
-
0x18 DMA Interrupt Disable Register DMAIDR Write-only
-
0x1C DMA Interrupt Mask Register DMAIMR
Read-only 0x00000000
0x20 DMA Interrupt Status Register DMAISR
Read-only 0x00000000
0x34 Control Register CR Write-only
-
0x38 Mode Register MR Read/Write
0x00000000
0x3C Status Register SR Read-only
0xFFFFFFFF
0x40 Interrupt Enable Register IER Write-only -
0x44 Interrupt Disable Register
IDR Write-only -
0x48 Interrupt Mask Register
IMR Read-only 0x00000000
0x4C Interrupt Status Register ISR Read-only
0x00000000
0xFC Version Register VERSION Read-only -
(1)
Table 41-2. CRCCU Register Memory Map (RAM)
Offset Register Register Name Access Reset
DSCR Address Register ADDR Read/Write
-
DSCR + 0x04 Control Register CTRL Read/Write
-
DSCR + 0x10 CRC Reference Register CRC Read/Write
-