Internal Data Path - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR

2.2 INTERNAL DATA PATH

Figure 24-2 shows the internal data path of S3C2416 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. It also has 20-bit
I/O shift register via AC-link.
PWDATA
APB
PRDATA
Command Addr
Register
(Slot 1)
Command Data
Register
(Slot 2)
PCM Out Buffer
(Regfile 16 bit x
2 x 16 Entry)
(Slot 3, Slot4)
PCM In Buffer
(Regfile 16 bit x
(RegFile 16 bit
Response Data
Figure 24-2. Internal Data Path
2 x 16 Entry)
(Slot 3, 4)
Mic In Buffer
x16 Entry)
(Slot 6)
Register
(Slot 2)
AC97 CONTROLLER
Output
SDATA_OUT
Shift
Register
(20 bit)
AC-Link
Input
SDATA_IN
Shift
Register
(20 bit)
24-3