Samsung S3C9454B User Manual page 54

S3C9454B/F9454B
CLKCON
— Clock Control Register
Bit Identifier
RESET Value
Read/Write
.7
.6–.5
.4–.3
.2–.0
.7 .6
0 –
R/W –
Oscillator IRQ Wake-up Function Enable Bit
0 Enable IRQ for main system oscillator wake-up function
1 Disable IRQ for main system oscillator wake-up function
Not used for S3C9454B/F9454B
Divided by Selection Bits for CPU Clock frequency
Divide by 16 (f
0 0
Divide by 8 (f
0 1
Divide by 2 (f
1 0
Non-divided clock (f
1 1
Not used for S3C9454B/F9454B
.5 .4
– 0
– R/W R/W
/16)
OSC
/8)
OSC
/2)
OSC
)
OSC
CONTROL REGISTERS
.3 .2 .1
0 – –
– –
D4H
.0
–
–
4-7