P87CL881H

INTEGRATED CIRCUITS DATA SHEET P87CL881H Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM Product specification File under Integrated Circuits, IC17 1999 Apr 16 Philips Semiconductors Product specification Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM CONTENTS 1 2 3 4 5 5.1 5.2 6 6.1 6.2 6.3 6.4 6.5 6.6 7 8 9 9.1 10 11 11.1 11.2 11.3 11.4 11.5 12 13 14 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION Special Function Registers I/O facilities Internal data memory OTP programming Oscillator circuitry Non-conformance LIMITING VALUES DC CHARACTERISTICS AC CHARACTERISTICS AC testing PACKAGE OUTLINE SOLDERING Introduction to soldering surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of surface mount IC packages for wave and reflow soldering methods DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS P87CL881H 1999 Apr 16 2 Philips Semiconductors Product specification Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM 1 FEATURES P87CL881H Full static 80C51 CPU; enhanced 8-bit architecture with: – Minimum 6 cycles per instruction (twice as fast as a standard 80C51 core) – Non-page oriented instructions – Direct addressing – Four 8-byte RAM register banks – Stack depth limited only by available internal RAM (maximum 256 bytes) – Multiply, divide, subtrac...