CRD-42L51 Cirrus Logic Inc, CRD-42L51 Datasheet
CRD-42L51
Specifications of CRD-42L51
Related parts for CRD-42L51
CRD-42L51 Summary of contents
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... MHz Oscillator http://www.cirrus.com Description The CRD42L51 evaluation board provides a quick and easy evaluation of select features in the CS42L51 Low Power, Stereo CODEC. Four pushbuttons and sixteen LED’s comprise the user interface, allowing manipula- tion of the CS42L51’s registers and control clock/data routing between the CODEC, crystal oscillator, and S/PDIF Receiver ...
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... Analog Outputs ............................................................................................................................... 5 3.8 Switch & Pushbutton ...................................................................................................................... 6 3.9 LEDs ............................................................................................................................................... 6 3.10 Error Indicators ............................................................................................................................. 6 3.11 Layout ........................................................................................................................................... 6 4. SYSTEM CONNECTIONS & INTERFACE ............................................................................................. 7 5. CRD42L51 SCHEMATICS ..................................................................................................................... 9 6. CRD42L51 LAYOUT ........................................................................................................................... 13 7. REVISION HISTORY ............................................................................................................................ 19 LIST OF FIGURES Figure 1. Block Diagram............................................................................................................................... 8 Figure 2. CS42L51 and Analog I/O (Schematic Sheet 1) ............................................................................ 9 Figure 3. S/PDIF Input (Schematic Sheet 2).............................................................................................. 10 Figure 4 ...
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... To turn selected functions on or off, push both SELECT but- tons simultaneously. The assocated LED will turn on or off Description CRD42L51 6. Use any one of the AD- JUST buttons to control the volume/ threshold level of each Source/Ef- fects that receives focus. ...
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... CRD42L51 MIN/Cushion -24 -18 -12 -9.0 (default -6 -3.0 DS679RD1 ...
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... SYSTEM OVERVIEW The CRD42L51 reference design provides a quick and general overview of the features in the CS42L51 CODEC and provides a reference of an ultra small layout design. Line, MIC and S/PDIF sources are accomodated, and a microcontroller automatically configures the board and the CODEC’s internal registers for straightforward opera- tion ...
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... OPT1, or turning off the S/PDIF audio source), this LED will illuminate. If the Line or MIC function is presently enabled, the CRD will automatically switch from the CS8416’s master clock to the on-board oscillator and configure the CS42L51 accordingly for uninterrupted operation of the Line or MIC input ...
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... On/Off (beep enable/disable) control when pushed simultaneously with ADJUST +. Input 1/8” jack for analog input signal to CS42L51 Vrms signals allowed. Input Microphone for analog input signal to CS42L51. Output Headphone or Line-level jack for analog outputs. Input CS8416 digital audio input via optical cable. CRD42L51 Description 7 ...
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... CRD42L51 BLOCK DIAGRAM Push Buttons LED Selection Indicators Microcontroller Figure 4 on page 11 Optical CS8416 Input Jack Figure 3 on page 10 12.2880 MHz Oscillator Step Up DC-DC +3.3 V Converter w/ +1.8 V Linear Reg. I²C Control/Reset CS42L51 Clocks/Data Figure 2 on page 9 Master Clock 1/8" Stereo Headphone Jack Figure 1 ...
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... CRD42L51 SCHEMATICS Figure 2. CS42L51 and Analog I/O (Schematic Sheet 1) ...
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Figure 3. S/PDIF Input (Schematic Sheet 2) ...
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Figure 4. Microcontroller, Pushbuttons and LED Indicators (Schematic Sheet 3) ...
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Figure 5. DC-DC Converter and AAA Battery Clip (Schematic Sheet 4) ...
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... CRD42L51 LAYOUT Figure 6. Silk Screen Top ...
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Figure 7. Silk Screen Bottom ...
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Figure 8. Top-Side Layer ...
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Figure 9. Internal Layer (Ground Plane) ...
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Figure 10. Internal Layer (Power Plane) ...
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Figure 11. Bottom-Side Layer ...
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... OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. DS679RD1 Changes www.cirrus.com/corporate/contacts/sales.cfm CRD42L51 19 ...