Laptop User Manual
S3C2440A RISC MICROPROCESSOR AC97 CONTROLLER 
  24-3 
INTERNAL DATA PATH 
Figure 24-2 shows the internal data path of the S3C2440A AC97 Controller. It has stereo Pulse Code Modulated 
(PCM) In, Stereo PCM Out and mono Mic-in buffers, which consist of 16-bit, 16 entries buffer. Also it has a 20-bit 
I/O shift register via AC-link. 
jGh
y
jGk
y
wjtGvGi
OyGX]GGG
YGGX]GlP
PWDATA
yGk
y
tGpGi
OymGX]GG
X]GlP
wjtGpGi
OyGX]GGG
YGGX]GlP
PRDATA
pGz
y
OYWGP
vGz
y
OYWGP
SDATA_IN
SDATA_OUT
Figure 24-2 Internal Data Path 










