Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet
Product codes
ATSAM4L-XSTK
559
42023E–SAM–07/2013
ATSAM4L8/L4/L2
23.7.10
Pull-down Enable Register
Name:
PDER
Access:
Read/Write, Set, Clear, Toggle
Offset:
0x080, 0x084, 0x088, 0x08C
Reset Value:
-
• P0-31: Pull-down Enable
31
30
29
28
27
26
25
24
P31
P30
P29
P28
P27
P26
P25
P24
23
22
21
20
19
18
17
16
P23
P22
P21
P20
P19
P18
P17
P16
15
14
13
12
11
10
9
8
P15
P14
P13
P12
P11
P10
P9
P8
7
6
5
4
3
2
1
0
P7
P6
P5
P4
P3
P2
P1
P0
{PUER, PDER}
Selected Function
00
Disabled
01
Pull-down enabled
10
Pull-up enabled
11
Buskeeper enabled