Datasheet

598
32142D–06/2013
ATUC64/128/256L3/4U
Figure 24-4. Interrupt Block Diagram
24.7 IISC Application Examples
The IISC can support several serial communication modes used in audio or high-speed serial
links. Some standard applications are shown in the following figures. All serial link applications
supported by the IISC are not listed here.
Figure 24-5. Audio Application Block Diagram
IMRIER IDR
ClearSet
Interrupt
Control
IISC Interrupt
Request
TXRDY
TXUR
Transmitter
Receiver
RXRDY
RXOR
Serial Clock
Word Select
Serial Data Out
MSB LSB MSB
Serial Data Out
Word Select
Serial Clock
IISC
ISCK
IWS
ISDO
ISDI
EXTERNAL
I
2
S
RECEIVER