NXP Semiconductors 87C055
The 83C055, Microcontroller for Television and Video (MTV) applications, is a derivative of Philips’ industry standard 80C51 microcontroller. The 83C055 is intended for use as the central control mechanism in a television receiver or tuner.FEATURES
DESCRIPTION
APPLICATIONS
ORDERING INFORMATION BLOCK DIAGRAM Part options PINNING INFORMATION Pinning Pin descriptionDESCRIPTION
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...