CMX624D2

The CMX624D2 is via a simple high speed serial bus; this allows easy interfacing to a host µController. The data transmitted and received by the modem is also transferred over the same high speed serial bus. On-chip programmable Tx and Rx UARTs allow asynchronous data to be simultaneously encoded and decoded.It also intended for use in any telephone based information and telemetry  system with low power requirements. Using FSK signalling, fast call set-up times and robust error resistant transmission can be implemented by efficient low power circuits.

Features of the CMX624D2 are:(1)V.23/bell 202 compatible modem;(2)integrated DTMF encoder;(3)call progress tone detection;(4)line reversal and ring detector;(5)low power operation (2.7V);(6)part of the CMX6x4 modem series.It can be used in telephone telemetry systems,remote utility meter reading, security systems/Cash terminals,industrial control systems and cable TV set-top boxes.

The absolute maximum ratings of the CMX624D2 can be summarized as:(1)supply (VDD-Vss) :-0.3 to 7.0 V;(2)voltage on any pin to Vss:-0.3 to VDD+0.3 V;(3)current into or out of VDD and Vss pins:-50 mA to +50 mA;(4)operating temperature:-40  to +85°C;(5)storage temperature:-55 to +125°C.If you want to know more information such as the electrical characteristics about it,please download the datasheet in www.seekic.com or www.chinaicmart.com .