Texas Instruments MSP430x1xx User Manual page 128

Basic Clock Module Registers
BCSCTL2, Basic Clock System Control Register 2
7 6
SELMx
rw−(0) rw−(0)
SELMx
Bits Select MCLK. These bits select the MCLK source.
7-6 00
01
10
11
DIVMx
BitS Divider for MCLK
5-4 00
01
10
11
SELS Bit 3 Select SMCLK. This bit selects the SMCLK source.
0
1
DIVSx BitS Divider for SMCLK
2-1 00
01
10
11
DCOR Bit 0 DCO resistor select
0
1
4-16
Basic Clock Module
5 4
DIVMx SELS
rw−(0) rw−(0) rw−0
DCOCLK
DCOCLK
XT2CLK when XT2 oscillator present on-chip. LFXT1CLK when XT2
oscillator not present on-chip.
LFXT1CLK
/1
/2
/4
/8
DCOCLK
XT2CLK when XT2 oscillator present on-chip. LFXT1CLK when XT2
oscillator not present on-chip.
/1
/2
/4
/8
Internal resistor
External resistor
3 2 1
DIVSx
rw−0 rw−0
0
DCOR
rw−0