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C8051F58X Datasheet, PDF (175/356 Pages) Silicon Laboratories – Programmable hysteresis and response time Configurble as interrupt or reset source Low current
C8051F58x/F59x
SFR Definition 19.1. CLKSEL: Clock Select
Bit
7
6
5
4
3
2
1
0
Name
CLKSL[1:0]
Type
R
R
R
R
R
R
R/W
Reset
0
0
0
0
0
0
0
0
SFR Address = 0x8F; SFR Page = 0x0F;
Bit Name
Function
7:2 Unused Read = 000000b; Write = Don’t Care
1:0 CLKSL[1:0] System Clock Source Select Bits.
00: SYSCLK derived from the Internal Oscillator and scaled per the IFCN bits in reg-
ister OSCICN.
01: SYSCLK derived from the External Oscillator circuit.
10: SYSCLK derived from the Clock Multiplier.
11: reserved.
Rev. 1.2
175