LM3S1621 Datasheet, PDF (219/947 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Stellaris^® LM3S1621 Microcontroller
Bit/Field
6:4
3:0
Name
OSCSRC2
reserved
Type
R/W
RO
Reset
0x1
Description
Oscillator Source 2
Selects the input source for the OSC. The values are:
Value Description
0x0 MOSC
Main oscillator
0x1 PIOSC
Precision internal oscillator
0x2 PIOSC/4
Precision internal oscillator / 4
0x3 30 kHz
30-kHz internal oscillator
0x4-0x6 Reserved
0x7 32.768 kHz
32.768-kHz external oscillator
0x0
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.
January 21, 2012
219
Texas Instruments-Production Data