Cirrus-logic CRD42L51 Bedienungsanleitung

Stöbern Sie online oder laden Sie Bedienungsanleitung nach Hardware Cirrus-logic CRD42L51 herunter. Cirrus Logic CRD42L51 User Manual Benutzerhandbuch

  • Herunterladen
  • Zu meinen Handbüchern hinzufügen
  • Drucken
  • Seite
    / 19
  • Inhaltsverzeichnis
  • LESEZEICHEN
  • Bewertet. / 5. Basierend auf Kundenbewertungen
Seitenansicht 0
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
http://www.cirrus.com
Reference Design for CS42L51
Features
! Ultra Small Layout
! Single AAA Battery Source
! 1/8” Stereo Input Allows up to 2 Vrms Signals
! On-Board MIC
! 1/8” Stereo Headphone Output Jack
! S/PDIF Input (CS8416 Receiver)
! Flexible User Interface
2 Pushbuttons Enable, Disable and
Navigate between Reset, Standby, Input
Source and Effects Options
2 Pushbuttons Adjust Volume and Effects
CRD42L51 Actual Size
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.
Two 1/8” stereo jacks provide analog input and output
connections, and a S/PDIF optical receiver provides a
digital input connection. An on-board microphone dem-
onstrates the high dynamic range of the CS42L51’s
Programmable Gain Amplifier (PGA) and MIC pre-
amplifier.
Power is derived from a single AAA battery boosted up
to 3.3 V for the interface and control logic, then regulat-
ed down to 1.8 V for the CS42L51’s analog/digital core
and headphone supply.
The CRD42L51 highlights the ultra small layout re-
quired for the CS42L51. Required components include
only a few small ceramic capacitors and resistors.
ORDERING INFORMATION
CRD42L51 Reference Design
LED Selection
Indicators
Battery Clip
CS42L51
Microcontroller
1/8" Stereo Line
Input Jack
Omni-directional
Microphone
1/8" Stereo
Headphone Jack
Optical
Input Jack
Push Buttons
AAA
I²C Control/Reset
Clocks/Data
+3.3 V
12.2880 MHz
Oscillator
+1.8 V
Step Up DC-DC
Converter w/
Linear Reg.
Master Clock
CS8416
DECEMBER '05
DS679RD1
CRD42L51
Seitenansicht 0
1 2 3 4 5 6 ... 18 19

Inhaltsverzeichnis

Seite 1 - CRD42L51

Copyright © Cirrus Logic, Inc. 2005(All Rights Reserved)http://www.cirrus.comReference Design for CS42L51Features! Ultra Small Layout ! Single AAA Bat

Seite 2

DS679RD1 10CRD42L51Figure 3. S/PDIF Input (Schematic Sheet 2)

Seite 3 - 1. QUICK-START GUIDE

11 DS679RD1CRD42L51Figure 4. Microcontroller, Pushbuttons and LED Indicators (Schematic Sheet 3)

Seite 4

DS679RD1 12CRD42L51Figure 5. DC-DC Converter and AAA Battery Clip (Schematic Sheet 4)

Seite 5 - 3. SYSTEM OVERVIEW

DS679RD1 13CRD42L516. CRD42L51 LAYOUT Figure 6. Silk Screen Top

Seite 6

DS679RD1 14CRD42L51 Figure 7. Silk Screen Bottom

Seite 7

15 DS679RD1CRD42L51Figure 8. Top-Side Layer

Seite 8 - Push Buttons

DS679RD1 16CRD42L51Figure 9. Internal Layer (Ground Plane)

Seite 9 - 5. CRD42L51 SCHEMATICS

17 DS679RD1CRD42L51Figure 10. Internal Layer (Power Plane)

Seite 10

DS679RD1 18CRD42L51 Figure 11. Bottom-Side Layer

Seite 11

DS679RD1 19CRD42L517. REVISION HISTORY Release ChangesRD1 Initial ReleaseContacting Cirrus Logic SupportFor all product questions and inquiries contac

Seite 12

2 DS679RD1CRD42L51TABLE OF CONTENTS1. QUICK-START GUIDE ...

Seite 13 - 6. CRD42L51 LAYOUT

DS679RD1 3CRD42L511. QUICK-START GUIDEPushbutton Control Key Press DescriptionSELECT< (only)Left/Up Navigation - Shifts the focus between functions

Seite 14

4 DS679RD1CRD42L512. FUNCTION & LEVEL DETAILS FunctionState/LED Illumination DescriptionResetON CS42L51, CS8416, optical receiver, oscillator held

Seite 15

DS679RD1 5CRD42L513. SYSTEM OVERVIEW The CRD42L51 reference design provides a quick and general overview of the features in the CS42L51 CODEC and prov

Seite 16

6 DS679RD1CRD42L513.8 Switch & PushbuttonThe POWER switch engages the AAA battery when switched to the ON position. Power is applied to theboard a

Seite 17

DS679RD1 7CRD42L514. SYSTEM CONNECTIONS & INTERFACE Connector/InterfaceReference Designator Input/Output DescriptionAAA BT1 Input Battery Power

Seite 18

DS679RD1 8CRD42L51CRD42L51 BLOCK DIAGRAM Figure 1. Block DiagramLED Selection IndicatorsBattery ClipCS42L51Microcontroller1/8" Stereo Line Input

Seite 19 - 7. REVISION HISTORY

9 DS679RD1CRD42L515. CRD42L51 SCHEMATICSFigure 2. CS42L51 and Analog I/O (Schematic Sheet 1)

Kommentare zu diesen Handbüchern

Keine Kommentare