RCA phono or optical connectors to the CS8416 and CS8406 (S/PDIF Rx and Tx).
The CDB42L55 is programmed via the PC’s USB using Cirrus Logic’s Microsoft® WINOOWs®-based FlexGUI software. The evaluation board may also be configured to accept external timing and data signals for operation in a user application during system development.
CDB42L55主要特性:
Line-level Analog Inputs
4 RCA Input Jacks
Line-Level & HP Analog Output
Stereo Headphone Out Jack
RCA Audio Jacks for Headphone and Line Outputs
S/PDIF Interface
CS8416 Digital Audio Receiver
CS8406 Digital Audio Transmitter
I/O Stake Headers and SMA Connectors
External I²C™ Control Port Accessibility
External DSP Serial Audio I/O Accessibility
Direct DSP Serial Audio I/O accessibility with CS42L55 through SMA connectors
Multiple Power Supply options via USB, Battery or External Power Supplies
1.65 V to 3.3 V Logic Interface
FlexGUI S/W Control - WINOOWs® Compatible
Pre-defined & User-configurable SCRJPTs
图6. 评估板CDB42L55方框图
CDB42L55 SCHEMATICS
图7.评估板CDB42L55电路图(1)(CS42L55 和模拟I/O )
图8.评估板CDB42L55电路图(2)(S/PDIF和数字接口 )
图9.评估板CDB42L55电路图(3)(PLL,振荡器和外接I/O连接 )
图10.评估板CDB42L55电路图(4)(MCU和FPGA)
图11.评估板CDB42L55电路图(5)(电源 )
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