PCF84C81A

INTEGRATED CIRCUITS DATA SHEET PCF84C81A Telecom microcontroller Product specification Supersedes data of 1996 Nov 20 File under Integrated Circuits, IC14 1998 Apr 20 Philips Semiconductors Product specification Telecom microcontroller CONTENTS 1 2 3 4 5 5.1 5.2 6 7 8 9 10 11 12 13 14 14.1 14.2 14.2.1 14.2.2 14.3 14.3.1 14.3.2 14.3.3 15 16 17 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description INSTRUCTION SET HIGH SINK OUTPUT CURRENTS ROM MASK OPTIONS HANDLING LIMITING VALUES DC CHARACTERISTICS AC CHARACTERISTICS PACKAGE OUTLINES SOLDERING Introduction DIP Soldering by dipping or by wave Repairing soldered joints SO Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS PCF84C81A 1998 Apr 20 2 Philips Semiconductors Product specification Telecom microcontroller 1 FEATURES PCF84C81A Manufactured in silicon gate CMOS process 8-bit CPU, ROM, RAM, I/O in a 28-lead package 8 kbyte ROM, 256 byte RAM (PCF84C81A) I2C-bus interface with multi-master capability Over 100 instructions (based on MAB8048) all of 1 or 2 cycles 20 quasi-bidirectional I/O Port lines High sink current capability on the 8 lines of Port 1 8-bit programmable timer/event counter 1 3 single-level vectored interrupts: – external – 8-bit programmable timer/event counter 1 – I2C-bus Two test inputs, one of which also serves as the external interrupt input S...