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V1.2.2
CMS32L051 User Manual |Chapter 4 Clock Generation Circuit
www.mcu.com.cn 64 / 703
remark
f
X
f
HOCO
: X1 clock oscillation frequency
: The clock frequency of the high-speed internal oscillator
f
IH
: The clock frequency of the high-speed internal oscillator
f
EX
: The external master system clock frequency
f
MX
: High-speed system clock frequency
f
MAIN
: Master system clock frequency
f
XT
: XT1 clock oscillation frequency
f
EXS
: External subsystem clock frequency
f
SUB
: The secondary system clock frequency
f
CLK
: The clock frequency of the CPU/peripheral hardware
f
IL
: The clock frequency of the low-speed internal oscillator

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