Samsung S3C2440A - Manual (Page 484)

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
jT—–™›G€GXG jT—–™›G€GXG jT—–™›G€GXG jT—–™›G€GXG
jT—–™›Gj‰GXG jT—–™›Gj‰GXG jT—–™›Gj‰GXG jT—–™›Gj‰GXG
jT—–™›Gj™GXG jT—–™›Gj™GXG jT—–™›Gj™GXG jT—–™›Gj™GXG
jT—–™›G€GYG jT—–™›G€GYG jT—–™›G€GYG jT—–™›G€GYG
jT—–™›Gj‰GYG jT—–™›Gj‰GYG jT—–™›Gj‰GYG jT—–™›Gj‰GYG
jT—–™›Gj™GYG jT—–™›Gj™GYG jT—–™›Gj™GYG jT—–™›Gj™GYG
jT—–™›G€GZG jT—–™›G€GZG jT—–™›G€GZG jT—–™›G€GZG
jT—–™›Gj‰GZG jT—–™›Gj‰GZG jT—–™›Gj‰GZG jT—–™›Gj‰GZG
jT—–™›Gj™GZG jT—–™›Gj™GZG jT—–™›Gj™GZG jT—–™›Gj™GZG
jT—–™›G€G[G jT—–™›G€G[G jT—–™›G€G[G jT—–™›G€G[G
jT—–™›Gj‰G[G jT—–™›Gj‰G[G jT—–™›Gj‰G[G jT—–™›Gj‰G[G
jT—–™›Gj™G[G jT—–™›Gj™G[G jT—–™›Gj™G[G jT—–™›Gj™G[G
wT—–™›GyniGXG wT—–™›GyniGXG wT—–™›GyniGXG wT—–™›GyniGXG
wT—–™›GyniGYG wT—–™›GyniGYG wT—–™›GyniGYG wT—–™›GyniGYG
wT—–™›GyniGZG wT—–™›GyniGZG wT—–™›GyniGZG wT—–™›GyniGZG
wT—–™›GyniG[G wT—–™›GyniG[G wT—–™›GyniG[G wT—–™›GyniG[G
[T—•Ž—–•Ž [T—•Ž—–•Ž [T—•Ž—–•Ž [T—•Ž—–•Ž
m™ˆ”ŒG”Œ”–™ G m™ˆ”ŒG”Œ”–™ G m™ˆ”ŒG”Œ”–™ G m™ˆ”ŒG”Œ”–™ G
OzkyhtP OzkyhtP OzkyhtP OzkyhtP
p{|T]WXV]\] p{|T]WXV]\] p{|T]WXV]\] p{|T]WXV]\]
€j‰j™ €j‰j™ €j‰j™ €j‰j™
[aYaY [aYaY [aYaY [aYaY
_T‰›š _T‰›š _T‰›š _T‰›š
jˆ”Œ™ˆGp•›Œ™ˆŠŒ jˆ”Œ™ˆGp•›Œ™ˆŠŒ jˆ”Œ™ˆGp•›Œ™ˆŠŒ jˆ”Œ™ˆGp•›Œ™ˆŠŒ
hoiG‰œšGMG hoiG‰œšGMG hoiG‰œšGMG hoiG‰œšGMG
tŒ”–™ Š–•›™–““Œ™ tŒ”–™ Š–•›™–““Œ™ tŒ”–™ Š–•›™–““Œ™ tŒ”–™ Š–•›™–““Œ™
wT—–™› wT—–™› wT—–™› wT—–™›
yni yni yni yni
[a[a[ [a[a[ [a[a[ [a[a[
jT—–™› jT—–™› jT—–™› jT—–™›
[aYaWSY [aYaWSY [aYaWSY [aYaWSY
Figure 23-6 Ping-Pong Memory Hierarchy