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ATSAM4S-XPLD
542
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
30.7.32 PIO Pad Pull Down Status Register
Name:
PIO_PPDSR
Address:
0x400E0E98 (PIOA), 0x400E1098 (PIOB), 0x400E1298 (PIOC)
Access:
Read-only
This register can only be written if the WPEN bit is cleared in
.
• P0-P31: Pull Down Status.
0: Pull Down resistor is enabled on the I/O line.
1: Pull Down resistor is disabled on the I/O line.
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