DescriptionResetTypeNameBit/Field
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.
0x0ROreserved29
System Clock Divisor 2
Specifies which divisor is used to generate the system clock from either
the PLL output or the oscillator source (depending on how the BYPASS2
bit is configured). SYSDIV2 is used for the divisor when both the
USESYSDIV bit in the RCC register and the USERCC2 bit in this register
are set. See Table 5-6 on page 186 for programming guidelines.
0x0FR/WSYSDIV228:23
Additional LSB for SYSDIV2
When DIV400 is set, this bit becomes the LSB of SYSDIV2. If DIV400
is clear, this bit is not used. See Table 5-6 on page 186 for programming
guidelines.
This bit can only be set or cleared when DIV400 is set.
1R/WSYSDIV2LSB22
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.
0x0ROreserved21:14
Power-Down PLL 2
DescriptionValue
The PLL is powered down.1
The PLL operates normally.0
1R/WPWRDN213
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.
0ROreserved12
PLL Bypass 2
DescriptionValue
The system clock is derived from the OSC source and divided
by the divisor specified by SYSDIV2.
1
The system clock is the PLL output clock divided by the divisor
specified by SYSDIV2.
0
See Table 5-6 on page 186 for programming guidelines.
Note: The ADC must be clocked from the PLL or directly from a
16-MHz clock source to operate properly.
1R/WBYPASS211
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.
0x0ROreserved10:7
213July 24, 2012
Texas Instruments-Production Data
Stellaris
®
LM3S6G65 Microcontroller
OBSOLETE: TI has discontinued production of this device.