SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
MITSUBISHI MICROCOMPUTERS
2
Rev 1.0
TABLE OF CONTENTS
1. DESCRIPTION...............................................................1
2. FEATURES ....................................................................1
3. APPLICATION................................................................1
4. PIN CONFIGURATION ..................................................3
5. FUNCTIONAL BLOCK DIAGRAM .................................4
6. PERFORMANCE OVERVIEW.......................................5
7. PIN DESCRIPTION........................................................7
8. FUNCTIONAL DESCRIPTION..................................... 11
8.1 CENTRAL PROCESSING UNIT (CPU).......... 11
8.2 MEMORY........................................................12
8.3 INTERRUPTS.................................................17
8.4 TIMERS ..........................................................22
8.5 SERIAL I/O .....................................................26
8.6 MULTI-MASTER I
2
C-BUS INTERFACE .........29
8.7 PWM OUTPUT FUNCTION............................42
8.8 A-D COMPARATOR........................................46
8.9 ROM CORRECTION FUNCTION...................48
8.10 DATA SLICER ...............................................49
8.11 OSD FUNCTIONS ........................................60
8.11.1 Display Position .................................65
8.11.2 Dot Size .............................................69
8.11.3 Clock for OSD ....................................70
8.11.4 Field Determination Display ...............71
8.11.5 Memory for OSD ................................73
8.11.6 Character color ..................................77
8.11.7 Character background color...............77
8.11.8 OUT signals .......................................78
8.11.9 Attribute ..............................................79
8.11.10 Multiline Display ...............................84
8.11.11 Automatic Solid Space Function.......85
8.11.12 Window Function .............................86
8.11.13 OSD Output Pin Control...................88
8.11.14 Raster Coloring Function .................89
8.12
SOFTWARE RUNAWAY DETECT FUNCTION....
91
8.13 RESET CIRCUIT ..........................................92
8.14 CLOCK GENERATING CIRCUIT .................93
8.15 OSD OSCILLATION CIRCUIT ......................97
8.16 AUTO-CLEAR CIRCUIT ...............................98
8.17 ADDRESSING MODE ..................................98
8.18 MACHINE INSTRUCTIONS .........................98
9. PROGRAMMING NOTES............................................98
10. ABSOLUTE MAXIMUM RATINGS .............................99
11. RECOMMENDED OPERATING CONDITIONS .........99
12. ELECTRIC CHARACTERISTICS ............................100
13. A-D CONVERTER CHARACTERISTICS.................102
14.
MULTI-MASTER I
2
C-BUS BUS LINE CHARACTERISTICS.....
102
15. PROM PROGRAMMING METHOD.........................103
16. DATA REQUIRED FOR MASK ORDERS ................103
17.
ONE TIME PROM VERSION M37151EFFP MARKING ..............
104
18. APPENDIX ...............................................................105
19. PACKAGE OUTLINE ...............................................136