Le79112
FEATURES
- Software interface using VP API-II
- Software downloadable, field upgradeable, expandable
- Provides expanded line and circuit testing in conjunction with Legerity’s VE790 Series chip sets
- DTMF detection (Q.24, up to 16 channels simultaneously)
- Quad tone and howler tone generation
- Arbitrary single tone detection
- 15-k Hz energy detection
- SNR tests
- Dial pulse measurement
- Aggregated codec/filter control lowers demand on host micro-processor
- Master MPI port to the Legerity SLAC™ device
- Slave PCM port can be used as an alternative
- Internal PLL and timing circuits with programmable dividers
- Serial and parallel controller interface options
- 16 I/Os to support controlling up to 32 lines
- 3.3-V pliant I/O; Internal 3.3-V to 2.5-V linear regulator for the core logic
DESCRIPTION
The Le79112 Voice Edge™ Control Processor (VCP) is a digital signal processing platform that works with the Legerity VE790 series chip sets using the MPI interface, PCM port, and an...