Owner's manual

DS787PP9 6
3 Code Overlays
Table 3-1. CS470xx Device Selection Guide
Table 3-2. CS470xx Channel Count
1. Contact your Cirrus Logic representative to determine the TDM modes that are supported. The CS470xx can support up to 8 channels per line, but
the DSP software provided for the IC can restrict this capability.
Features
CS47048-CQZ
CS47048-DQZ
CS47028-CQZ
CS47028-DQZ
CS47024-CQZ
CS47024-DQZ
Primary Applications 4-In/8-Out Car Audio
High-end Digital TV
Dual Source/Dual Zone
2-In/8-Out Car Audio
Sound Bar
•DVD Receiver
2-In/4-Out Car Audio
Digital TV
Portable Audio Docking Station
Portable DVD
DVD Mini / Receiver
Multimedia PC Speakers
Package 100-pin LQFP with Exposed Pad
DSP Core Cirrus Logic 32-bit Core
SRAM 32K x 32-bit SRAM with three 2K blocks x 32-bit SRAM, assignable to either Y data or program memory
Integrated DAC and ADC 2 Channels of ADC input: with inte-
grated 5:1 analog mux
2 additional channels of ADC in-
put: without mux
8 channels of DAC output
2 channels of ADC input: with inte-
grated 5:1 analog mux
8 channels of DAC output
2 channels of ADC input: with inte-
grated 5:1 analog mux
4 channels of DAC output
Configurable Serial Audio
Inputs/Outputs
Integrated 192 kHz S/PDIF Rx, 2 Integrated 192 kHz S/PDIF Tx
I2S support for 32-bit Samples @ 192 kHz
TDM Input modes (Up to 8 channels)
TDM Output modes (Up to 8 channels)
Supports Different Fs
Sample Rates
Integrated hardware SRC blocks for all ADC and DAC channels
Additional 8-channel hardware SRC block
Dual-domain Fs on inputs (I2S and S/PDIF Rx)
Output can be master or slave
Other Features Integrated Clock Manager/PLL with flexibility to operate from internal PLL, external crystal, external oscillator
Host Control and Boot via SPI/I²C Serial Interface
DSP Tool Set w/ Private Keys Protect Customer IP
Configurable GPIOs and External Interrupts
Hardware Watchdog Timer
Product
PCM/TDM In
1
TDM Out
1
PCM
Out
ADC with 5:1
Input Mux
ADC with-
out Mux
DAC
Out
S/PDIF In
(Stereo
Pairs)
S/PDIF
Out (Ste-
reo Pairs)
CS47048 Up to 5 I2S lines, 2 channels per
line or
1 TDM line, up to 8 channels per
line.
Up to 8 chan-
nels
82 2812
CS47028 Up to 5 I2S lines, 2 channels per
line or
1 TDM line, up to 8 channels per
line.
Up to 8 chan-
nels
82 0812
CS47024 Up to 5 I2S lines, 2 channels per
line or
1 TDM line, up to 8 channels per
line.
Up to 8 chan-
nels
82 0412