LM3S6952 Datasheet, PDF (297/626 Pages) Texas Instruments – Stellaris LM3S6952 Microcontroller

Stellaris® LM3S6952 Microcontroller
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
0x0
0x1
0x2
0x3
0x4
0x5
Event
Controller (default)
Analog Comparator 0
Analog Comparator 1
Analog Comparator 2
External (GPIO PB4)
Timer
In addition, the trigger must be enabled with the TnOTE bit in
the GPTMCTL register (see page 239).
0x6 PWM0
The PWM module 0 trigger can be configured with the PWM0
Interrupt and Trigger Enable (PWM0INTEN) register, see
page 512.
0x7 PWM1
The PWM module 1 trigger can be configured with the
PWM1INTEN register, see page 512.
0x8 PWM2
The PWM module 2 trigger can be configured with the
PWM2INTEN register, see page 512.
0x9-0xE reserved
0xF Always (continuously sample)
April 05, 2010
297
Texas Instruments-Production Data