LM3S5G31 Datasheet, PDF (236/1223 Pages) Texas Instruments – Stellaris LM3S5G31 Microcontroller

System Control
Register 18: Device Capabilities 2 (DC2), offset 0x014
This register is predefined by the part and can be used to verify features. If any bit is clear in this
register, the module is not present. The corresponding bit in the RCGC0, SCGC0, and DCGC0
registers cannot be set.
Device Capabilities 2 (DC2)
Base 0x400F.E000
Offset 0x014
Type RO, reset 0x4307.5337
31
30
29
28
27
26
reserved EPI0
reserved
Type RO
RO
RO
RO
RO
RO
Reset
0
1
0
0
0
0
15
reserved
Type RO
Reset
0
14
I2C1
RO
1
13
reserved
RO
0
12
I2C0
RO
1
11
10
reserved
RO
RO
0
0
25
24
COMP1 COMP0
RO
RO
1
1
9
QEI1
RO
1
8
QEI0
RO
1
23
22
RO
RO
0
0
7
6
reserved
RO
RO
0
0
21
20
reserved
RO
RO
0
0
19
18
17
16
TIMER2 TIMER1 TIMER0
RO
RO
RO
RO
0
1
1
1
5
SSI1
RO
1
4
SSI0
RO
1
3
2
1
0
reserved UART2 UART1 UART0
RO
RO
RO
RO
0
1
1
1
Bit/Field
31
30
29:26
25
24
23:19
18
17
16
15
14
Name
reserved
EPI0
reserved
COMP1
COMP0
reserved
TIMER2
TIMER1
TIMER0
reserved
I2C1
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
1
0
1
1
0
1
1
1
0
1
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
EPI Module 0 Present
When set, indicates that EPI module 0 is present.
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Analog Comparator 1 Present
When set, indicates that analog comparator 1 is present.
Analog Comparator 0 Present
When set, indicates that analog comparator 0 is present.
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Timer Module 2 Present
When set, indicates that General-Purpose Timer module 2 is present.
Timer Module 1 Present
When set, indicates that General-Purpose Timer module 1 is present.
Timer Module 0 Present
When set, indicates that General-Purpose Timer module 0 is present.
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
I2C Module 1 Present
When set, indicates that I2C module 1 is present.
236
July 03, 2014
Texas Instruments-Production Data