Cirrus-logic CRD48L10 Manual de usuario descargar pdf (Pagina 13)

2.4 DSP Composer Control Header

2.3.7 Main Clock

• Connector Type: 100-MIL Male Header (2x1)

• Absolute Maximum Input Signal Level: +6.0 V

• Absolute Minimum Input Signal Level: –0.5 V

• Reference Designators: TP4 (CLKIN)

2.4 DSP Composer Control Header

• Connector Type: 50-MIL Male Header (15x2)

• Absolute Maximum Input Signal Level: +2.0 V

• Absolute Minimum Input Signal Level: –0.5 V

• Maximum Signal Output Level: +1.8 V

• Reference Designators: JP2

2.5 USB Power Input

The USB power input has the following characteristics and is switched by S8:

• Voltage Range: +4.75 VDC to +5.25 VDC

• Minimum Power: +5 V supply (0.5 A)

• Connector Type: USB Mini-B

• Reference Designator: USB1

2.6 Input Button (S1)

The button S1 (located near JP4) is used to change the audio input source.

2.7 MCU USER INTERFACE Header

• Connector Type: 100-MIL Male Header (7x2)

• Absolute Maximum Input Signal Level: +3.6 V

• Absolute Minimum Input Signal Level: –0.5 V

• Maximum Signal Output Level: +1.8 V

• Reference Designators: JP1

2.8 Buttons and Knobs

The buttons S9–S14 (located on MCU-USER-INTERFACE board) are used to control the MCU.

• S9 (Rotary Encoder)—Turn this knob to navigate up/down through menu page. Press down on the knob to select

an item

• S10 (Menu)—This button displays the CRD48L10 board configuration options.

• S11 (Left)—This button takes you back one level in the menu system.

• S12 (Right)—This button takes you one level deeper in the menu system.

• S13 (Exit)—This button exits the CRD48L10 board configuration menu.

• S14 (Reset)—This button executes a hard reset of the on-board MCU.

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Cirrus-logic CRD48L10 Manual de usuario Pagina 13