SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 665

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

31.7.23
Name:
Address:
Access:
• P0-P31: Pull Up Status.
0: Pull Up resistor is enabled on the I/O line.
1: Pull Up resistor is disabled on the I/O line.
31.7.24
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• P0-P31: Peripheral A Select.
0: Assigns the I/O line to the Peripheral A function.
1: Assigns the I/O line to the Peripheral B function.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
P31
P23
P15
P31
P23
P15
P7
P7
31
23
15
31
23
15
7
7
PIO Pull Up Status Register
PIO Peripheral AB Select Register
PIO_PUSR
0x400E0E68 (PIOA), 0x400E1068 (PIOB), 0x400E1268 (PIOC), 0x400E1468 (PIOD), 0x400E1668 (PIOE),
0x400E1868 (PIOF)
Read-only
PIO_ABSR
0x400E0E70 (PIOA), 0x400E1070 (PIOB), 0x400E1270 (PIOC), 0x400E1470 (PIOD), 0x400E1670 (PIOE),
0x400E1870 (PIOF)
Read-Write
P30
P22
P14
P30
P22
P14
P6
P6
30
22
14
30
22
14
6
6
P29
P21
P13
P29
P21
P13
P5
P5
29
21
13
29
21
13
5
5
P28
P20
P12
P28
P20
P12
P4
P4
28
20
12
28
20
12
4
4
“PIO Write Protect Mode Register”
P27
P19
P11
P27
P19
P11
P3
P3
27
19
11
27
19
11
3
3
P26
P18
P10
P26
P18
P10
P2
P2
26
18
10
26
18
10
2
2
.
P25
P17
P25
P17
P9
P1
P9
P1
25
17
25
17
9
1
9
1
SAM3X/A
SAM3X/A
P24
P16
P24
P16
P8
P0
P8
P0
24
16
24
16
8
0
8
0
665
665