TEA7540 - HANDSFREE CONTROLLER
This 28 pins IC is an innovative approach to quality handsfree telephone sets.
It results from an extensive research on speech signal.
PIN CONNECTION (top view) GND CS OUTE ATTE HYST1 HYST2 TIM CCE CE3 CE2 CE1 MICOUT INE VREF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 D93TL005 28 27 26 25 24 23 22 21 20 19
