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S3C8248/C8245/P8245/C8247/C8249/P8249
OSCCON
— Oscillator Control Register
Bit Identifier
RESET Value
RESET
Read/Write
Addressing Mode
.7–.5
.4
.3
.2
.1
.0
NOTE: When OSCCON.4 is set to "0", Sub operating current and sub idle current are large.
.7
.6
0
0
–
–
Register addressing mode only
Not used for the S3C8248/C8245/C8247/C8249
Sub-system Oscillator Driving Ability Control Bit
0
Strong driving ability
1
Normal driving ability
Main System Oscillator Control Bit
0
Main System Oscillator RUN
1
Main System Oscillator STOP
Sub System Oscillator Control Bit
0
Sub system oscillator RUN
1
Sub system oscillator STOP
Not used for the S3C8248/C8245/C8247/C8249
System Clock Selection Bit
0
Main oscillator select
1
Subsystem oscillator select
.5
.4
.3
0
0
0
–
R/W
R/W
CONTROL REGISTER
F3H
Set 1,Bank 0
.2
.1
0
0
R/W
–
R/W
.0
0
4-17
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