PCD3310 Overview
QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Power supply (VDD and VSS) Clock oscillator (OSCI and OSCO) Chip enable (CE) Mode selection (PD/DTMF) Pulse mode DTMF mode Mixed mode Keyboard inputs/outputs Flash duration control (FLD) TONE output (DTMF mode) Dial pulse and Flash output (DP/FLO) Mute output (M1) Mute output (M1) Muting output (M2) DIALLING PROCEDURES Dialling...
PCD3310 Applications
- On-chip voltage reference for supply and temperature independent tone output
- On-chip filtering for low output distortion (CEPT patible)