S3C2440A RISC MICROPROCESSOR CAMERA INTERFACE
23-6
mal-functioning
CAMCLKOUT
Divide
Counter
1/1 ~ 1/16
UPLL
External
Camera
Processor
CAMPCLK
S3C2440A
CAMIF
USB PLL
96 MHz
f
USB
/d
f
USB
MPLL
Variable
Freq.
Divide
Counter
f
mpll
/d
f
mpll
HCLK
External MCLK
Normally use
Schmit-triggered
Level-shifter
Figure 23-5 CAMIF Clock Generation
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Figure 23-6 Ping-Pong Memory Hierarchy