NO:
W90P710 Programming Guide
VERSION:
2.0
PAGE:
128
The above information is the exclusive intellectual property of Winbond Electronics and shall not be disclosed, distributed or reproduced without permission
from Winbond.
Table No.: 2005-W90P710-11-A
10 Audio Controller
10.1 Overview
The audio controller consists of IIS/AC-link protocol to interface with external audio CODEC.
One 8-level deep FIFO for read path and write path and each level has 32-bit width (16 bits for right
channel and 16 bits for left channel). One DMA controller handle the data movement between FIFO and
memory.
The following are the property of the DMA.
z
Always
8-beat
incrementing
burst
z
Always bus lock when 8-beat incrementing burst
z
When reach middle and end address of destination address, a DMA_IRQ is requested to CPU
automatically
An AHB master port and an AHB slave port are offered in audio controller.
