Features
| Constant current loop feed (20–41 mA) |
| Ring trip/loop closure thresholds and filtering |
| Two-wire ac impedance and transhybrid |
| DTMF generation and decoding |
| Polarity reversal |
| FSK (caller ID) tone generation |
| 12 and 16 kHz pulse metering |
| Configurable PCM/SPI digital interface |
| Audio loopback, DC and GR-909 subscriber line diagnostic capabilities |
| Software programmable for global compliance |
| Extensive telephony signaling capabilities |
| Can be powered from a single 3.3 V or 5 V supply |
| Silicon Labs | |
|---|---|
| Product Category | Network and Communication Chips |
| Product Number | Si3211 |
| Product Name | ProSLIC® |
| Device Type | Powerline Networking; Telephony Interface |
| Technology | ISDN |
| Interface | SLIC |
| Features | RoHS |
| Supply Voltage | 3.3V |
