LM3S2637 Datasheet, PDF (402/678 Pages) Texas Instruments – Stellaris® LM3S2637 Microcontroller

Analog-to-Digital Converter (ADC)
Register 6: ADC Event Multiplexer Select (ADCEMUX), offset 0x014
The ADCEMUX selects the event (trigger) that initiates sampling for each sample sequencer. Each
sample sequencer can be configured with a unique trigger source.
ADC Event Multiplexer Select (ADCEMUX)
Base 0x4003.8000
Offset 0x014
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
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EM3
EM2
EM1
EM0
Type R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:16
15:12
Name
reserved
EM3
Type
RO
R/W
Reset
0x0
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.
SS3 Trigger Select
This field selects the trigger source for Sample Sequencer 3.
The valid configurations for this field are:
Value Event
0x0 Controller (default)
0x1 Analog Comparator 0
0x2 Analog Comparator 1
0x3 Analog Comparator 2
0x4 External (GPIO PB4)
0x5 Timer
In addition, the trigger must be enabled with the TnOTE bit in
the GPTMCTL register (see page 344).
0x6 reserved
0x7 reserved
0x8 reserved
0x9-0xE reserved
0xF Always (continuously sample)
402
June 18, 2012
Texas Instruments-Production Data