Cmsemicon CMS32L051 - Subsystem Clock Selection Register (SUBCKSEL)

V1.2.2
CMS32L051 User Manual |Chapter 4 Clock Generation Circuit
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4.3.10 Subsystem clock selection register (SUBCKSEL)
The SUBCKSEL register is the register that selects the subsystem clock fSUB and the low-speed
internal oscillator clock FIL.
The SUBCKSEL registers are set via 8-bit memory operation instructions.
After the reset signal is generated, the value of this register becomes 00H.
Figure 4-12 Format of subsystem clock selection register (SUBCKSEL)
Address: 40020407H After reset: 00H R/W
Symbol
7 6 5 4 3 2 1 0
SUBCKSEL
SELLOSC
Selection of subsystem clock and low-speed internal oscillator clock
0
ubsystem clock.
1
-speed internal oscillator clock.
0
0
0
0
0
0
0
SELLOSC