CS Registers
399
SLAU356I – March 2015 – Revised June 2019
Copyright © 2015–2019, Texas Instruments Incorporated
Clock System (CS)
Table 6-6. CSCTL2 Register Description (continued)
Bit
Field
Type
Reset
Description
8
LFXT_EN
RW
0h
Turns on the LFXT oscillator regardless if used as a clock resource.
0b = LFXT is on if it is used as a source for ACLK, MCLK, HSMCLK , or SMCLK
and is selected via the port selection and not in bypass mode of operation.
1b = LFXT is on if LFXT is selected via the port selection and LFXT is not in
bypass mode of operation.
7
Reserved
RW
0h
Reserved. Must be written as zero.
6-3
Reserved
RW
0h
Reserved. Must be written as zero.
2
Reserved
RW
0h
Reserved.
1-0
LFXTDRIVE
RW
3h
The LFXT oscillator current can be adjusted to its drive needs.
0h = Lowest drive strength and current consumption LFXT oscillator.
1h = Increased drive strength LFXT oscillator.
2h = Increased drive strength LFXT oscillator.
3h = Maximum drive strength and maximum current consumption LFXT
oscillator.