CS47048C-DQZ Cirrus Logic Inc, CS47048C-DQZ Datasheet - Page 7
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CS47048C-DQZ
Manufacturer Part Number
CS47048C-DQZ
Description
IC 4ch ADC 8ch DAC & Single Core 32-bit DSP Audio SoC (300M MACs)
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS47048C-DQZ.pdf
(40 pages)
Specifications of CS47048C-DQZ
Operating Temperature Range
-40°C To +85°C
No. Of Pins
100
Peak Reflow Compatible (260 C)
Yes
Frequency
147MHz
Embedded Interface Type
I2C, SPI
Leaded Process Compatible
Yes
Rohs Compliant
Yes
Core Supply Voltage
1.89V
Digital Ic Case Style
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CS47048C-DQZ
Manufacturer:
MURATA
Quantity:
1 200
Company:
Part Number:
CS47048C-DQZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
3. Code Overlays
DS787PP5
The suite of software available for the CS470xx family consists of an operating system (OS) and a
The bulk of standard overlays are stored in ROM within the CS470xx, but a small image is required
The overlay structure reduces the time required to reconfigure the DSP when a processing change
Table 2
library of overlays. The software components for the CS470xx family include:
to configure the overlays and boot the DSP. This small image can either be stored in an external
serial FLASH/EEPROM, or downloaded via a host controller through the SPI
is requested. Each overlay can be reloaded independently without disturbing the other overlays.
For
only the new post-processor.
User’s Manual for the latest listing of application codes and Cirrus Framework
See
communication mode for members of the CS470xx family of DSPs.
2. Decoder—Any module that performs a compressed audio decode on IEC61937-packed data
3. Matrix-processor—Any Module that performs a matrix decode on PCM data to produce more
4. Virtualizer-processor—Any module that encodes PCM data into fewer output channels than
5. Post-processors—Any module that processes audio I/O buffer PCM data. Examples are bass
1. OS/Kernel—Encompasses all non-audio processing tasks, including loading data from external
serial memory, processing host messages, calling audio-processing subroutines, error
concealment, etc
delivered via S/PDIF Rx or I²S input, such as Dolby Digital (AC3).
output channels than input channels (2n channels). Examples are Dolby
SRS Circle Surround II
channels in the audio I/O buffer.
input channels (n2 channels) with the effect of providing “phantom” speakers to represent the
physical audio channels that were eliminated. Examples are Dolby Headphone
Virtual Speaker
the audio I/O buffer.
management, audio manager, tone control, EQ, delay, customer-specific effects, and any post-
processing algorithms available for the CS470xx DSP.
example,
Table 3
lists the different configuration options available. Please refer to the CS470xx Firmware
which provides a summary of the available channels for each type of input and output
when a different post-processor is selected, the OS, does not need to be reloaded —
®
2. Generally speaking, these modules reduce the number of valid channels in
®
. Generally speaking, these modules increase the number of valid
Copyright 2011 Cirrus Logic
Audio SOC Processor Family
/
I
™
®
2
C serial port.
Pro Logic
modules available.
CS470xx Data Sheet
®
2 and Dolby
®
IIx and
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7