INTEGRATED CIRCUITS DATA SHEET PCD3755A; PCD3755.
NXP
PCD3755E - 8-bit microcontrollers with DTMF generator/ 8 kbytes OTP and 128 bytes EEPROM
INTEGRATED CIRCUITS DATA SHEET PCD3755A; PCD3755E; PCD3755F 8-bit microcontrollers with DTMF generator, 8 kbytes OTP and 128 bytes EEPROM Product sp.