AC97 CONTROLLER S3C2440A RISC MICROPROCESSOR
24-2
AC97 CONTROLLER OPERATION
BLOCK DIAGRAM
Figure 24-1 shows the functional block diagram of the S3C2440A AC97 Controller. The AC97 signals form the AC-
link, which is a point-to-point synchronous serial interconnect that supports full-duplex data transfers. All digital audio
streams and command/status information are communicated over the AC-link.
APB
I/F
DMA
Engine
Interrupt
Control
MIC in
FIFO
PCM
out FIFO
PCM in
FIFO
SFR
AC-link
I/F
FSM & Control
APB
AC-link
Figure 24-1. AC97 Block Diagram
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