AT91SAM9G45PRE Datasheet, PDF (81/1218 Pages) ATMEL Corporation – DDR2 Controller 4-bank DDR2/LPDDR, SDRAM/LPSDR

AT91SAM9G45
12.5.1 Reset Controller Control Register
Name:
RSTC_CR
Address:
0xFFFFFD00
Access Type:
Write-only
31
30
29
28
27
26
25
KEY
23
22
21
20
19
18
17
–
–
–
–
–
–
–
15
14
13
12
11
10
9
–
–
–
–
–
–
7
6
5
4
3
2
1
–
–
–
–
EXTRST
PERRST
–
• PROCRST: Processor Reset
0 = No effect.
1 = If KEY is correct, resets the processor.
• PERRST: Peripheral Reset
0 = No effect.
1 = If KEY is correct, resets the peripherals.
• EXTRST: External Reset
0 = No effect.
1 = If KEY is correct, asserts the NRST pin.
• KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
24
16
–
8
–
0
PROCRST
81
6438F–ATARM–21-Jun-10