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PRELIMINARY
S3C6400 RISC MICROPROCESSOR AC97 CONTROLLER
35-3
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
INTERNAL DATA PATH
Figure 35-2 shows the internal data path of S3C6400 AC97 Controller. It has stereo Pulse Code Modulated
(PCM) In, Stereo PCM Out and mono Mic-in buffers, which consist of 16-bit and 16 entries buffer. It also has 20-
bit I/O shift register via AC-link.
Command Addr
Register
Command Data
Register
PCM Out Buffer
(Regfile 16 bit x
2 x 16 Entry)
PWDATA
Response Data
Register
Mic In Buffer
(RegFile 16 bit
x16 Entry)
PCM In Buffer
(Regfile 16 bit x
2 x 16 Entry)
PRDATA
Input Shift
Register
(20 bit)
Output Shift
Register
(20 bit)
SDATA_IN
SDATA_OUT
Figure 35-2. Internal Data Path