83C145 Datasheet, PDF (2/40 Pages) NXP Semiconductors – Microcontrollers for TV and video MTV

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