87C055

INTEGRATED CIRCUITS DATA SHEET 83C145; 83C845 83C055; 87C055 Microcontrollers for TV and video (MTV) Product specification File under Integrated Circuits, IC20 1996 Mar 22 Philips Semiconductors Product specification Microcontrollers for TV and video (MTV) CONTENTS 1 2 3 4 5 5.1 6 6.1 6.2 7 8 9 9.1 10 10.1 10.2 11 11.1 11.2 11.3 11.4 12 12.1 12.2 13 13.1 13.2 13.3 13.4 13.5 13.6 13.7 13.8 13.9 FEATURES DESCRIPTION APPLICATIONS ORDERING INFORMATION BLOCK DIAGRAM Part options PINNING INFORMATION Pinning Pin description DESCRIPTION OF STANDARD FUNCTIONS INPUT/OUTPUT (I/O) DESCRIPTION OF DERIVATIVE FUNCTIONS General description 6-BIT PWM DACS PWM DAC operation Special Function Register PWMn (n = 0 to 7) 14-BIT PWM DAC (TDAC) 14-bit counter 14-bit DAC operation Special Function Register TDACL Special Function Register TDACH SOFTWARE ANALOG-TO-DIGITAL FACILITY Special Function Register SAD Software ADC operation ON SCREEN DISPLAY (OSD) OSD features General description of the OSD module OSD logic Character Generator ROM Display RAM organization OSD Special Function Registers OSD Control Register OSCON OSD Control Register OSMOD OSD Control Register OSORG 14 14.1 14.2 14.3 14.4 14.5 15 15.1 15.2 15.3 16 17 18 19 20 21 22 22.1 22.2 22.3 23 24 83C145; 83C845 83C055; 87C055 PROGRAMMING CONSIDERATIONS EPROM Characteristics Programming operation Erasure Characteristics Reading Signature Bytes EPROM Programming and Verification PROGRAMMING THE OSD EPROM Overview Character description a...