User's Manual

SC14CVMDECT Cordless Voice Module
© 2011 SiTel Semiconductor B.V. Company Confidential 10 August 19, 2011 v1.2.1
3.4 PORTABLE PART CONFIGURATION
A Portable Part configuration with SC14CVMDECT
requires additional external parts as shown in Figure 3.
.
Table 2 provides the overview of the supported
interfaces for a Portal Part.
A portable part supports following main functional
features:
•Conferencing (currently not supported*)
•Intercom
•Battery management (currently not supported*)
•Custom Ringtones (currently not supported*)
•Earpiece, handsfree and headset.
•Automatic headset detection (currently not
supported*)
•Baby monitor (currently no VAD support*)
Figure 3 PP Configurations
SC14CVMDECT
(optional)
(optional)
Loudspeaker
MIC2
Earpiece
MCU
(handset speaker)
Headset
UART
Ports
PCM
(optional)
Table 2: PP Hardware support overview
Item Supported Remark
Battery connection No Non rechargeable or rechargeable 2 cells NiMH, NiCd or Li-Ion
For Li-Ion an 3.3V LDO is required to supply the system.
Battery charger No Use external charger.
Keypad No on external MCU
Display No on external MCU
IO Ports Yes 4 free digital IO port pins
PCM interface Yes 1x16 bits, 8,16 kHz, strobes 1,8, 16, 32 bits
PCM voice coding
formats
Yes uLaw (64kbits/s), Alaw (64kbits/s), G.726 ADPCM (32kbits/s), G.722
ADPCM (64kbits/s), Linear (128kbits/s)
UART Yes 9600-115.2kbaud, used for AT-command
Headset detection Yes
Headset earpiece Yes Connected to LSRp,LSRn
Headset Microphone Yes Connected to MICp
Handsfree Microphone Yes Connected to MICh
Handsfree speaker Yes Connected to PAOUTP/n (No SW support)
Radio Yes Integrated with two antenna’s