Clock Control Register - Samsung SAM88RCRI S3C9442 Manual

S3C9442/C9444/F9444/C9452/C9454/F9454
CLKCON

— Clock Control Register

Bit Identifier
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 S3C9442/C9444/C9452/C9454
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 S3C9442/C9444/C9452/C9454
.5 .4
– 0
– R/W R/W
/16)
OSC
/8)
OSC
/2)
OSC
)
OSC
CONTROL REGISTERS
.3 .2 .1
0 – –
– –
D4H
.0
–
–
4-7