LM3S1621 Datasheet, PDF (652/947 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Analog-to-Digital Converter (ADC)
Register 26: ADC Sample Sequence Input Multiplexer Select 1 (ADCSSMUX1),
offset 0x060
Register 27: ADC Sample Sequence Input Multiplexer Select 2 (ADCSSMUX2),
offset 0x080
This register defines the analog input configuration for each sample in a sequence executed with
Sample Sequencer 1 or 2. These registers are 16 bits wide and contain information for four possible
samples. See the ADCSSMUX0 register on page 640 for detailed bit descriptions. The ADCSSMUX1
register affects Sample Sequencer 1 and the ADCSSMUX2 register affects Sample Sequencer 2.
ADC Sample Sequence Input Multiplexer Select 1 (ADCSSMUX1)
ADC0 base: 0x4003.8000
Offset 0x060
Type R/W, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
reserved
Type RO
Reset
0
14
R/W
0
13
MUX3
R/W
0
12
R/W
0
11
reserved
RO
0
10
R/W
0
9
MUX2
R/W
0
8
R/W
0
7
reserved
RO
0
6
R/W
0
5
MUX1
R/W
0
4
R/W
0
3
reserved
RO
0
2
R/W
0
1
MUX0
R/W
0
0
R/W
0
Bit/Field
31:15
14:12
11
10:8
7
6:4
3
2:0
Name
reserved
MUX3
reserved
MUX2
reserved
MUX1
reserved
MUX0
Type
RO
R/W
RO
R/W
RO
R/W
RO
R/W
Reset
0x0000
0x0
0
0x0
0
0x0
0
0x0
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.
4th Sample Input Select
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.
3rd Sample Input Select
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.
2nd Sample Input Select
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.
1st Sample Input Select
652
January 21, 2012
Texas Instruments-Production Data