Datasheet

Revision 3.1

05-Jan-2022

CFR0011-120-00-FM Rev 5

10 of 36

© 2022 Renesas Electronics

SC14WAMDECT SF

Wireless Audio Module

FINAL

3.4 FUNCTIONAL OVERVIEW

Note 4: Latency for 2 microphones depends on the assigned slot.

Note 5: For Tour Guide System the 'normal delay' applies as defined in the DECT specification.

Table 5: Overview of supported functions

Functionality

Remark

Connection handling

PP to FP

PA mode: 1 or 2 microphones (PP) transmit to one loudspeaker (FP).

FP to PP

TG mode: 1 microphone (FP) broadcasts to max. 128 loudspeakers (PP).

Protocol

Registration

Manual.

TG mode: optionally protected by 6-bit access code.

Number of PPs per FP

PA mode: 1 or 2

TG mode: 1 to 128

Link establishment time

2 s (typ.)

Registration time-out

FP: 600 s (TG mode)

PP: 120 s (TG mode)

Factory registration

Wire registration is supported. See [2].

Audio and tone

Microphone mute

Mute of MIC in all audio connections is possible.

Latency

PA mode: 1 MIC: 14.2 ms, 2 MICs: 14.2 ms or 15.8 ms (Note 4).

TG mode: 18.3 ms (Note 5).

General

Battery handling

Charging is not supported, requires external components.