P87C380

INTEGRATED CIRCUITS DATA SHEET P83Cx80; P87C380 Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc. Product specification File under Integrated Circuits, IC20 1997 Dec 12 Philips Semiconductors Product specification Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc. CONTENTS 1 1.1 1.2 2 3 4 5 5.1 5.2 6 6.1 7 7.1 7.2 7.3 8 8.1 8.2 8.3 8.4 9 10 10.1 10.2 11 11.1 11.2 11.3 11.4 12 13 13.1 13.2 13.3 14 14.1 14.2 14.3 15 15.1 FEATURES Differences from the 80C51 core Memory GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description FUNCTIONAL DESCRIPTION General MEMORY ORGANIZATION Program memory Internal data memory Additional Special Function Registers INTERRUPTS Priority level structure How interrupts are handled Interrupt Enable Register (IE) Interrupt Priority Register (IP) WATCHDOG TIMER INPUT/OUTPUT (I/O) The alternative functions for Port 0, Port 1, Port 2 and Port 3 EMI (Electromagnetic Interference) reduction REDUCED POWER MODES Power Control Register Idle mode Power-down mode Status of external pins OSCILLATOR RESET External reset Power-on-reset T2 (Watchdog Timer) overflow ANALOG CONTROL (DC) 8-bit PWM outputs (PWM0 to PWM9) 14-bit PWM output (PWM10) A typical PWM output application ANALOG-TO-DIGITAL CONVERTER (ADC) Conversion algorithm 17.2 17.3 17.4 17.5 17.6 18 19 19.1 19.2 19.3 20 21 22 23 24 25 26 27 28 29 29.1 29.2 29.3 30 31 32 16 16.1 17 17.1 P83Cx80; P...