M37281EKSP datasheet(2/172 Pages) RENESAS

Part #	M37281EKSP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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Manufacturer	RENESAS [Renesas Technology Corp]

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2 / 172 page

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP

Rev.1.01

2003.07.16

page 2 of 170

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 .................................................................... 21

8.4 TIMERS ............................................................................. 26

8.5 SERIAL I/O ........................................................................ 30

8.6 MULTI-MASTER I2C-BUS INTERFACE ........................... 33

8.7 PWM OUTPUT CIRCUIT .................................................. 46

8.8 A-D CONVERTER ............................................................. 50

8.9 ROM CORRECTION FUNCTION ..................................... 54

8.10 DATA SLICER .................................................................. 55

8.11 OSD FUNCTIONS ........................................................... 66

8.11.1 Triple Layer OSD ................................................... 71

8.11.2 Display Position ..................................................... 74

8.11.3 Dot Size ................................................................. 78

8.11.4 Clock for OSD ....................................................... 79

8.11.5 Field Determination Display .................................. 81

8.11.6 Memory for OSD ................................................... 83

8.11.7 Character Color ..................................................... 91

8.11.8 Character Background Color ................................. 91

8.11.9 OUT1, OUT2 Signals ............................................ 95

8.11.10 Attribute ............................................................... 96

8.11.11 Automatic Solid Space Function ........................ 101

8.11.12 Multiline Display ................................................ 102

8.11.13 SPRITE OSD Function ...................................... 103

8.11.14 Window Function ............................................... 107

8.11.15 Blank Function ................................................. 108

8.11.16 Raster Coloring Function .................................. 113

8.11.17 Scan Mode ........................................................ 115

8.11.18 OSD Output Pin Control .................................... 116

8.12. SOFTWARE RUNAWAY DETECT FUNC-TION .......... 117

8.13. RESET CIRCUIT .......................................................... 118

8.14 CLOCK GENERATING CIRCUIT .................................. 119

8.15. DISPLAY OSCILLATION CIRCUIT ............................... 122

8.16. AUTO-CLEAR CIRCUIT ............................................... 122

8.17. ADDRESSING MODE .................................................. 122

8.18. MACHINE INSTRUCTIONS ......................................... 122

9. PROGRAMMING NOTES ...................................................... 122

10. ABSOLUTE MAXIMUM RATINGS ....................................... 123

11. RECOMMENDED OPERATING CONDITIONS ................... 123

12. ELECTRIC CHARACTERISTICS ........................................ 124

13. ANALOG R, G, B OUTPUT CHARACTERISTICS ............... 126

14. A-D CONVERTER CHARACTERISTICS ............................. 126

15. MULTI-MASTER I2C-BUS BUS LINE CHARACTERISTICS ......... 127

16. PROM PROGRAMMING METHOD ..................................... 128

17. DATA REQUIRED FOR MASK ORDERS ............................ 129

18. APPENDIX ........................................................................... 130

19. PACKAGE OUTLINE ........................................................... 170

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