| » |
Speech CODEC (2 channels included)
- ITU-T G.711 (64 kbps) μ-law and A-law selectable
- Supports ITU-T G.711 Appendix 1 compliant PLC (Packet Loss Concealment) function
- Supports the function for handling 2 channels for 3-way speech. |
| » |
Built-in FIFO buffer for transferring transmit and receive data
- Interface count: 1 (CH0 and CH1 common)
- FIFO buffer size: 640 bytes
- Frame and DMA (slave) interface selectable |
| » |
PCM interface
- Interface count: 1 (CH0 and CH1 common)
- Coding format: ITU-T G.711 (64 kbps) μ-law and A-law selectable
- Serial transmission rate: 128 kHz to 2.048 MHz (Fixed to 2.048 MHz when output)
- 1 time slot bit width: Fixed to 16 bits (upper 8-bit/lower 8-bit selection function)
- Time slot assignment: Supports up to 16 slots (BCLK: 2.048 MHz)
- Input time slot selection: any 2 slots selectable in each channel
- Output time slot selection: any 1 slot selectable in each channel
|
| » |
Terminal side interface Analog or PCM interface selectable |
| » |
Analog interface Includes 1 unit of input amplifier and 1 unit of output amplifier in each channel (10 kΩdrive) |
| » |
Linear PCM CODEC (1 unit included in each channel) |
| » |
Echo canceler handling 32ms delay and Comfort Noise generation function (1 unit included in each channel)
|
| » |
DTMF detection function (1 unit included in each channel) |
| » |
DTMF generation function (1 unit included in each channel: Tone generation function allows DTMF signals to be generated) |
| » |
2100 Hz single tone/phase inversion detection function ( 2 units included in each channel) |
| » |
Tone detection function: (400 Hz: 2 units included in each channel. Detection frequency can be changed) |
| » |
Tone generation function (1 unit included in each channel) |
| » |
FSK generation function (1 unit included in each channel) |
| » |
FSK detection function (1 unit included) |
| » |
Dial pulse detection function (1 unit included in each channel) |
| » |
Dial pulse transmit function (1 unit included) |
| » |
16-bit timer (1 unit included) |
| » |
PCM data transparency mode |
| » |
General-purpose I/O ports:
21 ports (Secondary functions are assigned to some of the ports)
|
| » |
Power supply:
Digital power supply voltage (DVDD0, 1, 2) 3.0 to 3.6 V
Analog power supply voltage(AVDD) 3.0 to 3.6 V |
| » |
Master clock frequency:
12.288 MHz (crystal/external input) |
| » |
Hardware and software power-down |
| » |
Package:
100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (ML7214-001TB) |
