RDDSP568FP: Feature Phone Reference Design for 5685X

Overview

The NXP^® Feature Phone reference design is designed to implement the Type 2 Feature Phone core.

Includes support for on-hook GR-30 services such as Calling Number Delivery, Calling Name Delivery, Dialable Directory Number, Call Qualifier, and Visual Message Waiting Indicator
Additional support for off-hook GR-30 services, such as Calling Identity Delivery on Call Waiting and Call Waiting Deluxe
The Feature Phone reference design also includes a full duplex echo-cancelling speakerphone with solid sound quality; the demo is able to originate and terminate a call in full duplex speakerphone mode
A HyperTerminal will be used to display the GR-30 messages

Archived content is no longer updated and is made available for historical reference only.

DSP56858EVM and 5685X Digital Signal Controllers
Telephony Daughter Card (TDC1)
Microphone
AKG Acoustics Type Q400Mk3, Code 2846Z003 Directional Mono Electret condenser microphone
Use with Radio Shack adaptor: Stereo -to-Mono Headphone adapter number 274-374
Amplified Speaker
On-Hook Data Transmission Protocol (GR-30-CORE) - CID_T1.DSP software module
Adaptive Line Echo Canceller (SR-3004) - ALEC.DSP software module
Off-Hook Data Transmission Protocol (SR-3004) - CIDCW_T2.DSP software module
Acoustic Echo Cancellation
Keypad
LCD

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