LM3S9B81 Datasheet, PDF (147/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
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 0x570F.5037
31
30
29
28
27
26
25
24
23
reserved EPI0 reserved I2S0 reserved COMP2 COMP1 COMP0
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
1
0
1
0
1
1
1
0
15
14
13
12
11
10
9
8
7
reserved
I2C1
reserved
I2C0
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
1
0
1
0
0
0
0
0
22
21
reserved
RO
RO
0
0
6
5
SSI1
RO
RO
0
1
20
19
18
17
16
TIMER3 TIMER2 TIMER1 TIMER0
RO
RO
RO
RO
RO
0
1
1
1
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
28
27
26
25
24
23:20
19
Name
reserved
EPI0
reserved
I2S0
reserved
COMP2
COMP1
COMP0
reserved
TIMER3
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
1
0
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.
I2S Module 0 Present
When set, indicates that I2S 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 2 Present
When set, indicates that analog comparator 2 is present.
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 3 Present
When set, indicates that General-Purpose Timer module 3 is present.
June 29, 2010
147
Texas Instruments-Advance Information