PCE84C886

INTEGRATED CIRCUITS DATA SHEET PCE84C886 Microcontroller for monitor OSD and auto-sync applications Preliminary specification File under Integrated Circuits, IC14 1996 Jan 08 Philips Semiconductors Preliminary specification Microcontroller for monitor OSD and auto-sync applications CONTENTS 1 1.1 1.2 1.3 2 3 4 5 5.1 5.2 6 6.1 6.2 7 7.1 7.2 7.3 8 8.1 9 9.1 9.2 9.3 10 10.1 10.2 10.3 10.4 11 11.1 11.2 11.3 FEATURES General Special OSD GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description RESET Reset trip level Reset status ANALOG (DC) CONTROL 6 and 7-bit PWM outputs 14-bit PWM output A typical PWM output application ANALOG-TO-DIGITAL CONVERTER (ADC) Conversion algorithm ON SCREEN DISPLAY (OSD) Horizontal starting position control Vertical starting position control On-chip clock generator DISPLAY RAM ORGANIZATION Description of display RAM codes Default values of OSD after Power-on-reset Loading character data into display RAM Writing character data into display RAM CHARACTER ROM Character ROM address map Character ROM organization Combination of character font cells 12 12.1 12.2 12.3 12.4 12.5 12.6 12.7 13 13.1 13.2 13.3 14 15 16 16.1 17 18 19 20 21 22 23 23.1 23.2 23.3 24 25 26 PCE84C886 OSD CONTROL REGISTERS Derivative Register 22 Derivative Register 23 Derivative Register 33 Derivative Register 34 Derivative Register 35 Derivative Register 36 Derivative Register 37 TO FORMAT THE OSD Number of characters per row Number of rows p...