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Archived content is no longer updated and is made available for historical reference only.
Features
- 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
IDE and Build Tools
CodeWarrior® Development Tools for 56800/E DSC | NXP
Design Resources
https://www.nxp.com/downloads/en/schematics/TDC1LD.zip