Cmu_Lfepresc0 - Low Frequency E Prescaler Register 0 (Async Reg); Cmu_Hfradioaltpresc - High Frequency Alternate Radio Peripheral Clock Prescaler Register - Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual

11.5.39 CMU_LFEPRESC0 - Low Frequency E Prescaler Register 0 (Async Reg)

When waking up from EM4 make sure EM4UNLATCH in EMU_CMD is set for this to take effect
Offset
0x130
Reset
Access
Name
Bit Name
31:2 Reserved
1:0 RTCC
Configure Real-Time Counter and Calendar prescaler
Value
0
1
2

11.5.40 CMU_HFRADIOALTPRESC - High Frequency Alternate Radio Peripheral Clock Prescaler Register

Offset
0x138
Reset
Access
Name
Bit Name
31:17 Reserved
16:8 PRESC
Specifies the clock divider for the HFRADIOALTCLK (relative to HFCLK).
Value
PRESC
7:0 Reserved
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Reset Access Description
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x0 RW Real-Time Counter and Calendar Prescaler
Mode Description
DIV1 LFECLK
DIV2 LFECLK
DIV4 LFECLK
Reset Access Description
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x000 RW HFRADIOALTCLK Prescaler
Description
Clock division factor of PRESC+1.
To ensure compatibility with future devices, always write bits to 0. More information in
tions
Bit Position
= LFECLK
RTCC
= LFECLK/2
RTCC
= LFECLK/4
RTCC
Bit Position
Reference Manual
CMU - Clock Management Unit
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