ML7020 pdf datasheet (1200 bps

The ML7020 is a 1200 bps modem LSI developed for remote control systems. The funcTIons incorporated are those of a 1200 bps FSK modem conforming to ITU-T RecommendaTIons V.23, DTMF signal generaTIon and detecTIon, call progress tone (CPT) generation and detection. Each functional block can be controlled via a 4-bit processor interface.