PCD3349A

INTEGRATED CIRCUITS DATA SHEET PCD3349A 8-bit microcontroller with DTMF generator Product specification Supersedes data of 1996 Dec 18 File under Integrated Circuits, IC03 1998 May 11 Philips Semiconductors Product specification 8-bit microcontroller with DTMF generator CONTENTS 1 2 3 4 5 5.1 5.2 6 6.1 6.2 6.3 6.4 6.5 7 8 9 10 11 12 13 14 15 16 17 18 18.1 18.2 18.3 19 20 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FREQUENCY GENERATOR Frequency generator derivative registers Frequency registers DTMF frequencies Modem frequencies Musical scale frequencies TIMING RESET STOP MODE IDLE MODE INSTRUCTION SET SUMMARY OF MASK OPTIONS LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS PACKAGE OUTLINES SOLDERING Introduction DIP SO DEFINITIONS LIFE SUPPORT APPLICATIONS PCD3349A 1998 May 11 2 Philips Semiconductors Product specification 8-bit microcontroller with DTMF generator 1 FEATURES 2 GENERAL DESCRIPTION PCD3349A 8-bit CPU, ROM, RAM, I/O in a single 28-lead package 4-kbyte ROM 224-byte RAM Over 100 instructions (based on MAB8048) all of 1 or 2 cycles 20 quasi-bidirectional I/O port lines 8-bit programmable Timer/event counter 1 2 single-level vectored interrupts: – external – Timer/event counter 1 Two test inputs, one of which also serves as the external interrupt input DTMF tone generator Reference for supply and temperature-independent TONE output Filtering for low output d...