LM3S9B81 Datasheet, PDF (530/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Analog-to-Digital Converter (ADC)
Bit/Field
3:0
Name
EM0
Type
R/W
Reset
0x0
Description
SS0 Trigger Select
This field selects the trigger source for Sample Sequencer 0
The valid configurations for this field are:
Value
0x0
0x1
0x2
0x3
0x4
Event
Processor (default)
Analog Comparator 0
Analog Comparator 1
Analog Comparator 2
External (GPIO PB4)
Note:
PB4 can be used to trigger the ADC. However, the
PB4/AIN10 pin cannot be used as both a GPIO
and an analog input.
0x5
Timer
In addition, the trigger must be enabled with the TnOTE bit
in the GPTMCTL register (see page 445).
0x6
reserved
0x7
reserved
0x8
reserved
0x9
reserved
0xA-0xE reserved
0xF
Always (continuously sample)
530
June 29, 2010
Texas Instruments-Advance Information