Cirrus Logic CS470xx - Manual (Page 6)

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
8 2 2 8 1 2
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
8 2 0 8 1 2
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
8 2 0 4 1 2