Digilent 410-270P-KIT Bedienungsanleitung PDF herunterladen

™

Revision: February 20, 2013

Note: This document applies to REV A of the board.

1300 NE Henley Court, Suite 3

Pullman, WA 99163

(509) 334 6306 Voice | (509) 334 6300 Fax

Doc: 502-270 page 1 of 2

Overview

The Digilent PmodAMP3 features an Analog

Devices SSM2518 2 watt Class-D Audio

Power Amplifier. The module enables the use

of I

S audio protocol or TDM to produce stereo

audio at various sampling frequencies. The

module features configurable digital volume

and dynamic range control via an I

C interface.

Additionally, you may use the AMP3 in a

stand-alone mode that does not require the

use of the I

C interface.

Features Include:

• separate left and right channel 1/8-inch

headphone jacks

• 12-pin header Pmod™ interface connector

• supports common I

S audio formats

• digitally configurable volume control for each channel

• dynamic range control

• standalone mode for systems without I

C interface

• Operates at 3.3 V

Functional Description

Customers may operate the PmodAMP3 in either an I

programmable mode or a simple stand-alone mode. The

stand-alone mode is the default setting and can be activated

by clearing the jumper JP5. When the stand-alone mode is

active, the jumpers JP3, JP4, and JP6 allow a simple

hardware configuration of the amplifier. The jumper JP3

configuration determines whether to use Standard or Left

Justified I

S protocol. The jumper JP4 determines if the MCLK

input is 256 or 384 times the audio sampling frequency Fs. The jumper JP6 configures the amplifier to

output at either 0dB or +12dB gain. (See Table 1 for further information.)

JP5 Loaded (I

C Programmable Mode) JP5 Unloaded (Stand-Alone Mode)

Loaded

Unloaded

Loaded

Unloaded

JP3

Prohibited Required I

S (Standard) Left Justified

JP4

Prohibited Required 256x Fs 384x Fs

JP6

ADDR: 01101

0[r/w] ADDR: 01101

0[r/w]

12dB Gain 0dB Gain

Table 1. Connector Descriptions

Figure 1. Design Layout

1 2

Inhaltsverzeichnis

Seite 1 - Functional Description

PPmmooddAAMMPP33™™ RReeffeerreennccee MMaannuuaall Revision: February 20, 2013 Note: This document applies to REV A of the board. 1300 NE Henley C

Seite 2 - Digilent Product Name

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