SAM4L Datasheet, PDF (150/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

11.6.11 Backup Pin Muxing Register
Name:
BKUPPMUX
Access Type:
Read/Write
Offset:
0x0030
Reset Value:
0x00000000
ATSAM4L4/L2
31
30
29
28
27
26
25
24
-
-
-
-
-
-
-
-
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
-
-
-
-
-
-
9
8
-
BKUPPMUX[8]
7
6
5
4
3
2
1
0
BKUPPMUX[7:0]
• BKUPPMUX: Backup Pin Muxing
Map a peripheral function required in Backup mode to a dedicated pad.
Each bit in this register corresponds to an alternate function associated to a pin, according to Table 11-5 on page 150.
0: The corresponding backup pin is not selected.
1: The corresponding backup pin is selected.
Table 11-5.
Bit
0
1
2
3
4
5
6
7
8
31-9
Backup Pin Muxing
Backup Pin Name
PB01
PA06
PA04
PA05
PA07
PC03
PC04
PC05
PC06
-
Alternate function
EIC[0]
EIC[1]
EIC[2]
EIC[3]
EIC[4]
EIC[5]
EIC[6]
EIC[7]
EIC[8]
-
42023C–SAM–02/2013
150