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Renesas Electronics Components Datasheet

M3727GM6-XXXFP Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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M3727GM6/M8–XXXSP/FP M37272E8SP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION
DECODER and ON-SCREEN DISPLAY CONTROLLER
REJ03B0132-0100Z
Rev.1.00
Apr 01, 2001
1. DESCRIPTION
The M3727GM6/M8-XXXSP/FP are single-chip microcomputers de-
signed with CMOS silicon gate technology. They have a OSD, data
slicer, and I2C-BUS interface, so it is useful for a channel selection
system for TV with a closed caption decoder.
The features of the M37272E8SP/FP are similar to those of the
M3727GM6/M8-XXXSP/FP except that these chips have a built-in
PROM which can be written electrically. The difference between
M3727GM6-XXXSP/FP and M3727GM8-XXXSP/FP are the ROM
size and RAM size. Accordingly, the following descriptions will be for
the M3727GM6-XXXSP/FP.
2. FEATURES
Number of basic instructions .................................................... 71
Memory size
ROM .............. 24K bytes
(M3727GM6-XXXSP/FP)
32K bytes
(M3727GM8-XXXSP/FP, M37272E8SP/FP)
RAM ............... 1024 bytes
(M3727GM6-XXXSP/FP)
1152 bytes
(M3727GM8-XXXSP/FP, M37272E8SP/FP)
(*ROM correction memory included)
Minimum instruction execution time
......................................... 0.5 µs (at 8 MHz oscillation frequency)
Power source voltage ................................................. 5 V ± 10 %
Subroutine nesting ............................................. 128 levels (Max.)
Interrupts ....................................................... 17 types, 16 vectors
8-bit timers .................................................................................. 6
Programmable I/O ports (Ports P0, P1, P2, P30, P31) ............. 26
Input ports (Ports P50, P51) ........................................................ 2
Output ports (Ports P52–P55) ..................................................... 4
LED drive ports ........................................................................... 4
Serial I/O ............................................................ 8-bit 1 channel
Multi-master I2C-BUS interface .............................. 1 (2 systems)
A-D comparator (6-bit resolution) ................................ 6 channels
PWM output circuit ......................................................... 8-bit 6
Power dissipation
In high-speed mode ...................................................... 137.5 mW
(at VCC = 5.5V, 8 MHz oscillation frequency, OSD on, and Data slicer on)
In low-speed mode ......................................................... 0.33 mW
(at VCC = 5.5V, 32 kHz oscillation frequency)
ROM correction function ................................................ 2 vectors
Closed caption data slicer
OSD function
Display characters ................................... 32 characters 2 lines
(It is possible to display 3 lines or more by software)
Kinds of characters ........................................................ 254 kinds
Character display area ............................ CC mode: 16 26 dots
OSD mode: 16 20 dots
Kinds of character sizes ..................................... CC mode: 1 kind
OSD mode: 8 kinds
Kinds of character colors .................................. 8 colors (R, G, B)
Coloring unit ................... character, character background, raster
Display position
Horizontal: 128 levels
Vertical: 512 levels
Attribute ........................................................................................
CC mode: smooth italic, underline, flash, automatic solid space
OSD mode: border
Smoth roll-up
Window function
3. APPLICATION
TV with a closed caption decoder
Rev.1.00 Apr 01, 2001 page 1 of 127
REJ03B0132-0100Z


Renesas Electronics Components Datasheet

M3727GM6-XXXFP Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

No Preview Available !

M3727GM6/M8–XXXSP/FP M37272E8SP/FP
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 ..................................................... 25
8.6 MULTI-MASTER I2C-BUS INTERFACE ......... 28
8.7 PWM OUTPUT FUNCTION ............................ 41
8.8 A-D COMPARATOR ........................................ 45
8.9 ROM CORRECTION FUNCTION ................... 47
8.10 DATA SLICER ............................................... 48
8.11 OSD FUNCTIONS ........................................ 59
8.11.1 Display Position .............................. 64
8.11.2 Dot Size .......................................... 68
8.11.3 Clock for OSD ................................. 69
8.11.4 Field Determination Display ............ 70
8.11.5 Memory for OSD ............................. 72
8.11.6 Character color ............................... 76
8.11.7 Character background color ........... 76
8.11.8 OUT1, OUT2 signals ...................... 77
8.11.9 Attribute .......................................... 78
8.11.10 Multiline Display ............................ 83
8.11.11 Automatic Solid Space Function ... 84
8.11.12 Window Function .......................... 85
8.11.13 OSD Output Pin Control ............... 87
8.11.14 Raster Coloring Function .............. 88
8.12 SOFTWARE RUNAWAY DETECT FUNCTION ................... 90
8.13. RESET CIRCUIT ......................................... 91
8.14 CLOCK GENERATING CIRCUIT ................. 92
8.15 DISPLAY OSCILLATION CIRCUIT ............... 95
8.16 AUTO-CLEAR CIRCUIT ............................... 95
8.17 ADDRESSING MODE .................................. 95
8.18 MACHINE INSTRUCTIONS ......................... 95
9. PROGRAMMING NOTES ............................................ 95
10. ABSOLUTE MAXIMUM RATINGS ............................. 96
11. RECOMMENDED OPERATING CONDITIONS ......... 96
12. ELECTRIC CHARACTERISTICS .............................. 97
13. A-D CONVERTER CHARACTERISTICS ................... 99
14. MULTI-MASTER I2C-BUS BUS LINE CHARACTERISTICS .... 99
15. PROM PROGRAMMING METHOD ......................... 100
16. DATA REQUIRED FOR MASK ORDERS ................ 101
17. ONE TIME PROM VERSION M37272E8SP/FP MARKING ...... 102
18. APPENDIX ............................................................... 103
19. PACKAGE OUTLINE ............................................... 127
Rev.1.00 Apr 01, 2001 page 2 of 127
REJ03B0132-0100Z


Part Number M3727GM6-XXXFP
Description SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Maker Renesas
Total Page 30 Pages
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