Datasheet

156
42023E–SAM–07/2013
ATSAM4L8/L4/L2
11.6.11 Backup Pin Muxing Register
Name: BKUPPMUX
Access Type: Read/Write
Offset: 0x0030
Reset Value: 0x00000000
• 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 156.
0: The corresponding backup pin is not selected.
1: The corresponding backup pin is selected.
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]
76543210
BKUPPMUX[7:0]
Table 11-5. Backup Pin Muxing
Bit Backup Pin Name Alternate function
0 PB01 EIC[0]
1 PA06 EIC[1]
2 PA04 EIC[2]
3 PA05 EIC[3]
4 PA07 EIC[4]
5 PC03 EIC[5]
6 PC04 EIC[6]
7 PC05 EIC[7]
8 PC06 EIC[8]
31-9 - -