SC14WAMDECT datasheet(8/36 Pages) DIALOG

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Datasheet

Revision 3.0

23-Jul-2015

CFR0011-120-00-FM Rev 5

8 of 36

SC14WAMDECT SF

Wireless Audio Module

FINAL

3.0 Wireless Audio Module functions

This section describes the key functions and features

supported by the SC14WAMDECT SF module.

3.1 DECT

The SC14WAMDECT SF is based on the ETSI DECT

specifications for digital cordless telephone systems.

The system diagram on page 1 shows that this module

has two configurations: microphone (MIC) and loud-

speaker (SPEAKER).

One internal antenna is embedded and an external

antenna is supported (see section 5.6). An external

microcontroller can be used for limited control pur-

poses via the UART interface. See section 4.7.

3.2 MICROPHONE CONFIGURATION

For a microphone configuration the SC14WAMDECT

SF module requires the external parts listed in Table 3.

Figure 2 shows the usage of the module with an exter-

nal microphone. This MIC configuration can be used

for the PP of a Public Address System and for the FP

of a Tour Guide System.

Table 3: Microphone configuration overview

Item

Supported

Remark

Battery

Yes

2 NiMH or standard Alkaline cells.

Note: For LiIon batteries an external LDO is required.

Microphone

Yes

Connect to pin MICp (single ended).

Keys

Yes

Connect to pins ACC_IN, PON, VOL_UP/MUTE and VOL_DN.

LEDs

Yes

Connect to pins LED_RED1 and LED_GRN.

Figure 2: MIC configuration

SC14WAMDECT SF

Keys

LEDs

Microphone

Battery

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