LM3S328 Luminary Micro, Inc., LM3S328 Datasheet - Page 128

• Manufacturer Part Number: LM3S328
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

General-Purpose Input/Outputs (GPIOs)
128
Reset
Type
Reset
Type
Bit/Field
31:8
GPIO Digital Input Enable (GPIODEN)
Offset 0x51C
7:0
RO
RO
31
15
0
0
Register 18: GPIO Digital Input Enable (GPIODEN), offset 0x51C
The GPIODEN register is the digital input enable register. By default, all GPIO signals are
configured as digital inputs at reset.
RO
RO
30
14
0
0
reserved
Name
DEN
RO
RO
29
13
0
0
RO
RO
28
12
0
0
reserved
Type
R/W
RO
RO
RO
27
11
0
0
RO
RO
26
10
0
0
Reset
0xFF
0
RO
RO
25
0
9
0
Preliminary
Description
Reserved bits return an indeterminate value, and should never
be changed.
Digital-Input Enable
0: Digital input disabled
1: Digital input enabled
RO
RO
24
0
8
0
reserved
R/W
RO
23
0
7
1
R/W
RO
22
0
6
1
R/W
RO
21
0
5
1
R/W
RO
20
0
4
1
DEN
R/W
RO
19
0
3
1
R/W
RO
18
0
2
1
October 8, 2006
R/W
RO
17
0
1
1
R/W
RO
16
0
0
1