M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
TABLE OF CONTENTS
1. DESCRIPTION............................................................... 1
2. FEATURES .................................................................... 1
3. APPLICATION ................................................................ 1
4. PIN CONFIGURATION .................................................. 3
5. FUNCTIONAL BLOCK DIAGRAM ................................. 5
6. PERFORMANCE OVERVIEW ....................................... 6
7. PIN DESCRIPTION........................................................ 8
8. FUNCTIONAL DESCRIPTION..................................... 12
8.1 CENTRAL PROCESSING UNIT (CPU) ......... 12
8.2 MEMORY ....................................................... 13
8.3 INTERRUPTS ................................................ 19
8.4 TIMERS.......................................................... 24
8.5 SERIAL I/O ..................................................... 27
8.6 MULTI-MASTER I2C-BUS INTERFACE ........ 31
8.7 PWM OUTPUT FUNCTION ........................... 44
8.8 A-D COMPARATOR ....................................... 49
8.9 D-A CONVERTER.......................................... 51
8.10 ROM CORRECTION FUNCTION ................ 53
8.11 OSD FUNCTIONS........................................ 54
8.11.1 Display Position .............................. 58
8.11.2 Character Size ................................ 62
8.11.3 Clock for OSD................................. 64
8.11.4 Memory for OSD............................. 65
8.11.5 Color Register................................. 68
8.11.6 Border ............................................. 70
8.11.7 Multiline Display.............................. 71
8.11.8 OSD Output Pin Control ................. 72
8.11.9 Raster Coloring Function ................ 73
8.12 SOFTWARE RUNAWAY DETECT FUNCTION ... 74
8.13 RESET CIRCUIT.......................................... 75
8.14 CLOCK GENERATING CIRCUIT................. 76
8.15 DISPLAY OSCILLATION CIRCUIT .............. 77
8.16 AUTO-CLEAR CIRCUIT............................... 77
8.17 ADDRESSING MODE .................................. 77
8.18 MACHINE INSTRUCTIONS......................... 77
9. PROGRAMMING NOTES............................................ 77
10. ABSOLUTE MAXIMUM RATINGS ............................. 78
11. RECOMMENDED OPERATING CONDITIONS ......... 78
12. ELECTRIC CHARACTERISTICS .............................. 79
13. A-D COMPARISON CHARACTERISTICS ................. 81
14. D-A CONVERSION CHARACTERISTICS ................. 81
15. MULTI-MASTER I2C-BUS BUS LINE CHARACTERISTICS .... 81
16. PROM PROGRAMMING METHOD........................... 82
17. DATA REQUIRED FOR MASK ORDERS .................. 83
18. ONE TIME PROM VERSION M37221EASP/FP MARKING ..... 84
19. APPENDIX ................................................................. 85
20. PACKAGE OUTLINE ................................................110
Rev.1.00 Oct 01, 2002 page 2 of 110
REJ03B0134-0100Z
RENESAS [ RENESAS TECHNOLOGY CORP ]
