cs47028-dqz Cirrus Logic, Inc., cs47028-dqz Datasheet - Page 10
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cs47028-dqz
Manufacturer Part Number
cs47028-dqz
Description
System-on- A-chip Asoc Processors
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS47028-DQZ.pdf
(40 pages)
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CS470xx Data Sheet
Audio SOC Processor Family
4. Hardware Functional Description
10
The CS470xx family, which includes the CS47048, CS47028, and CS47024 DSPs, is a true
system-on-a-chip that combines a powerful 32-bit DSP engine with analog/digital audio inputs and
analog/digital audio outputs. It can be integrated into a complex multi-DSP processing system, or
stand alone in an audio product that requires analog-in and analog-out. A top level block diagram
for the CS47048, CS47028, and CS47024 products are shown in
respectively.
Stereo Inputs
On Analog in
ADC’s & DAC’s operate
in Single ended or
Differential mode
SPI / I
x4
Control
S/PDIF
ADC0/1
ADC2/3
I
2
I
S /
2
S
2
C
S
R
C
1
4ch
Figure 1.
(I
2
DBC
C Slave)
Assignable to Program or Y Data memory
PIC
32K x 32-bit SRAM with three 2K blocks
DMA
Cirrus 32-bit Core
ROM
RAM
PLL
CS47048 Top-Level Block Diagram
Copyright 2011 Cirrus Logic
in the CS47048 DSP
x8
Manager
Clock
P
text
X
Y
ROM
RAM
ROM
Timers
RAM
GPIO
8ch
8ch
Figure
S
R
C
R
C
2
S
3
independent Channels
x2
x2
1,
I
2
Figure
S / S/PDIF
for In or Out
SRC3 has 8
DAC0
DAC1
DAC4
DAC5
DAC6
DAC2
DAC3
DAC7
I
2
S
2, and
DS787PP5
Figure 3
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