Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Hoja De Datos
Los códigos de productos
AT91SAM9G25-EK
125
SAM9G25 [DATASHEET]
11032D–ATARM–10-Mar-2014
14.5.3 Reset Controller Mode Register
Name:
RSTC_MR
Address:
0xFFFFFE08
Access Type:
Read-write
• ERSTL: External Reset Length
This field defines the external reset length. The external reset is asserted during a time of 2
(ERSTL+1)
Slow Clock cycles. This
allows assertion duration to be programmed between 60 µs and 2 seconds.
• KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
31
30
29
28
27
26
25
24
KEY
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
ERSTL
7
6
5
4
3
2
1
0
–
–
–
–
–
–
–