PCE84C487

INTEGRATED CIRCUITS DATA SHEET PCE84C486; PCE84C487 Microcontrollers for digital auto-sync and VST TV controller applications Objective specification File under Integrated Circuits, IC14 1996 Feb 21 Philips Semiconductors Objective specification Microcontrollers for digital auto-sync and VST TV controller applications CONTENTS 1 1.1 1.2 2 3 4 5 5.1 5.2 6 6.1 6.2 6.3 6.4 6.5 7 7.1 7.2 7.3 7.4 8 8.1 8.2 9 10 11 12 12.1 13 FEATURES General Special GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAMS PINNING INFORMATION Pinning Pin description RESET External reset using the RESET pin Power-on-reset Watchdog Timer reset Reset trip level Reset status ANALOG (DC) CONTROL 6 and 7-bit PWM outputs 8-bit PWM outputs 14-bit PWM output (PWM8) A typical PWM output application ANALOG-TO-DIGITAL CONVERTER (ADC) Conversion algorithm A typical application for keypad detection I2C-BUS INTERFACE 8-BIT COUNTER (T3) WATCHDOG TIMER (WDT) OUTPUT PORTS Mask options DERIVATIVE REGISTERS 14 15 16 17 18 18.1 18.2 19 20 21 LIMITING VALUES PCE84C486; PCE84C487 DC CHARACTERISTICS AC CHARACTERISTICS PACKAGE OUTLINES SOLDERING Introduction SDIP DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS 1996 Feb 21 2 Philips Semiconductors Objective specification Microcontrollers for digital auto-sync and VST TV controller applications 1 1.1 FEATURES General 2 PCE84C486; PCE84C487 GENERAL DESCRIPTION CMOS 8-bit CPU (enhanced 8048 CPU) with 4 kbytes system ROM and 128 bytes system...