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M37281MAH-XXXSP

更新时间: 2024-09-23 21:53:47
品牌 Logo 应用领域
瑞萨 - RENESAS 解码器显示控制器外围集成电路光电二极管微控制器瞄准线计算机时钟
页数 文件大小 规格书
172页 1299K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH-XXXSP 数据手册

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M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP,  
REJ03B0049-0101Z  
M37281EKSP  
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
Rev.1.01  
2003.07.16  
with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER  
1. DESCRIPTION  
ROM correction function ................................................ 2 vectors  
Closed caption data slicer  
The M37281MAH–XXXSP, M37281MFH–XXXSP and M37281MKH-  
XXXSP are single-chip microcomputers designed with CMOS silicon  
gate technology. They have a OSD function and a data slicer func-  
tion, so it is useful for a channel selection system for TV with a closed  
caption decoder.  
OSD function  
Display characters .... 32 characters 16 lines + RAM font (1 character)  
(CC/OSD mode)(CDOSD mode)(RAM font)  
Kinds of characters ......... 510 kinds  
(Coloring unit) (a character)  
+ 62 kinds + 1 kind  
(a dot) (a dot)  
The feautures of the M37281EKSP is similar to those of the  
M37281MKH-XXXSP except that the chip has a built-in PROM which  
can be written electrically. The difference between M37281MAH–  
XXXSP, M37281MKH-XXXSP and M37281MFH-XXXSP are the ROM  
size and RAM size. Accordingly, the following descriptions will be for  
the M37281MKH-XXXSP.  
Triple layer function.......................................................................  
2 layers selected from CC/CDOSD/OSD mode + RAM font layer  
Character display area .............. CC/CDOSD mode: 16 26 dots  
OSD mode/RAM font: 16 20 dots  
Kinds of character sizes ....................CC mode/RAM font: 4 kinds  
OSD/CDOSD mode: 14 kinds  
Kinds of character colors ..............................................................  
64 colors (4 adjustment levels for each R, G, B)  
Coloring unit ............ dot, character, character background, raster  
Blanking output OUT1, OUT2  
2. FEATURES  
Number of basic instructions .................................................... 71  
Memory size  
ROM .................. 40K bytes (M37281MAH-XXXSP)  
60K bytes (M37281MFH-XXXSP)  
Display position  
Horizontal: 256 levels  
Vertical :1024 levels  
80K bytes (M37281MKH-XXXSP,  
(RAM font can be set independently)  
M37281EKSP)  
Attribute ........................................................................................  
CC mode: smooth italic, underline, flash, automatic solid space  
OSD mode: border, shadow  
RAM ...................1088 bytes (M37281MAH-XXXSP,  
M37281MFH-XXXSP)  
1536 bytes (M37281MKH-XXXSP,  
Window/Blank function  
M37281EKSP)  
(*ROM correction memory included)  
3. APPLICATION  
TV with a closed caption decoder  
Minimum instruction execution time  
......................................... 0.5 µs (at 8 MHz oscillation frequency)  
Power source voltage ................................................. 5 V ± 10 %  
Subroutine nesting ............................................. 128 levels (Max.)  
Interrupts ....................................................... 19 types, 16 vectors  
8-bit timers .................................................................................. 6  
Programmable I/O ports (Ports P0, P1, P2, P30, P31) ............. 26  
Input ports (Ports P40–P46, P63, P64, P70–P72) ...................... 12  
Output ports (Ports P52–P55) ..................................................... 4  
LED drive ports ........................................................................... 2  
Serial I/O ............................................................ 8-bit 1 channel  
2
Multi-master I C-BUS interface .............................. 1 (2 systems)  
A-D converter (8-bit resolution).................................... 8 channels  
PWM output circuit......................................................... 8-bit 8  
Power dissipation  
In high-speed mode ......................................................... 165 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)  
Rev.1.01 2003.07.16 page 1 of 171  

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