P87CL881 Datasheet | Philips Semiconductors

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 LIMITING VALUES DC CHARACTERISTICS PACKAGE OUTLINE SOLDERING Introduction Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C PONENTS 1997 Dec 12 2 http://../ Philips Semiconductors Preliminary specification Low voltage 8-bit microcontroller 1 FEATURES - Twenty source, twenty vector interrupt structure with two priority levels - Wake-up from Power-down mode via LVD or external interrupts at Port 1 - Two 16-bit timer/event counters - Additional 16-bit timer/event counters, with capture, pare and PWM function - Watchdog Timer - Full duplex enhanced UART with double buffering - I2C-bus interface for serial transfer on two lines, maximum operating frequency 400 k Hz. 2 GENERAL DESCRIPTION - 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, subtract and pare instructions. - Very low current consumption - Single supply voltage of 1.8 to 3.6 V - Frequency: 1 MHz to 10 MHz - Operating temperature: - 25 to +70 °C - 44-pin LQFP package - Four 8-bit ports (32 I/O lines) - 63 kbytes OTP program memory - 256 bytes internal RAM - 1792 bytes internal AUX-RAM - External address range: 64 kbytes of ROM and 64 kbytes of RAM - Amplitude Controlled Oscillator (ACO) suitable for use with a quartz crystal or ceramic resonator - Improved Power-On/Power-Off Reset circuitry (POR) - Low Voltage Detection (LVD) with 11 software programmable levels - 8 interrupts on Port 1, edge or level sensitive triggering selectable via software...