Cirrus Logic CS485xx - Manual (Page 11)

1-3 Copyright 2009 Cirrus Logic, Inc. DS734UM7
Overview
CS485xx Hardware User’s Manual
Figure 1-2 illustrates the functional block diagram for CS48540.
Figure 1-2. CS48540 Chip Functional Block Diagram
DAI
Controller
Peripheral
Bus
Controller
Log/Exp
Security
Ext (64 bit)
DMA Bus
Peripheral Bus
Y
P
X
P
Y
64 bit
Stereo Audio Output
Stereo Audio Output
Stereo Audio Output
SPDIF Transmitter
DAO
Controller
ROM
SRAM
Timers
GPIOs
Clock Manager and PLL
Serial Control Port
Debug
Controller
DAO1
Stereo Audio Input
Stereo Audio Input
Stereo Audio Input
DAI1
CS48540
Stereo Audio Input
DAI2
DAI
Controller
X
Stereo Audio Output
DMA Controller with 8 Channels
Programmable
Interrupt Controller
M
e
m
o
ry
Cont
roller
ROM
SRAM
ROM
SRAM
32-bit Dual Datapath
DSP
with 72-bit
Accumulators
Decryptor
DAO2