LM3S9B81 Datasheet, PDF (144/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

System Control
Register 17: Device Capabilities 1 (DC1), offset 0x010
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 1 (DC1)
Base 0x400F.E000
Offset 0x010
Type RO, reset -
31
30
29
28
reserved
WDT1
Type RO
RO
RO
RO
Reset
0
0
0
1
27
reserved
RO
0
26
CAN2
RO
1
15
Type RO
Reset
-
14
13
MINSYSDIV
RO
RO
-
-
12
11
10
MAXADC1SPD
RO
RO
RO
-
1
1
25
CAN1
RO
1
24
CAN0
RO
1
9
8
MAXADC0SPD
RO
RO
1
1
23
RO
0
7
MPU
RO
1
22
21
20
reserved
RO
RO
RO
0
0
0
6
5
4
reserved TEMPSNS PLL
RO
RO
RO
0
1
1
19
RO
0
3
WDT0
RO
1
18
RO
0
2
SWO
RO
1
17
ADC1
RO
1
1
SWD
RO
1
16
ADC0
RO
1
0
JTAG
RO
1
Bit/Field
31:29
28
27
26
25
24
23:18
17
16
Name
reserved
WDT1
reserved
CAN2
CAN1
CAN0
reserved
ADC1
ADC0
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
1
0
1
1
1
0
1
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.
Watchdog Timer1 Present
When set, indicates that watchdog timer 1 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.
CAN Module 2 Present
When set, indicates that CAN unit 2 is present.
CAN Module 1 Present
When set, indicates that CAN unit 1 is present.
CAN Module 0 Present
When set, indicates that CAN unit 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.
ADC Module 1 Present
When set, indicates that ADC module 1 is present.
ADC Module 0 Present
When set, indicates that ADC module 0 is present
144
June 29, 2010
Texas Instruments-Advance Information