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M37281MAHXXXSP

Features: *Number of basic instructions .................................................... 71*Memory sizeROM .................. ............................40K bytes (M37281MAH-XXXSP)60K bytes (M37281MFH-XXXSP) 80K bytes (M37281MKH-XXXSP,M37281EKSP)RAM ..............1088 bytes (M37281MAH-XXXSP, ...

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SeekIC No. : 004404944 Detail

M37281MAHXXXSP: Features: *Number of basic instructions .................................................... 71*Memory sizeROM .................. ............................40K bytes (M37281MAH-XXXSP)60K bytes (M3...

M37281MAHXXXSP Data Sheet

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Part Number:
M37281MAHXXXSP
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

*Number of basic instructions .................................................... 71
*Memory size
ROM .................. ............................40K bytes (M37281MAH-XXXSP)
                                                        60K bytes (M37281MFH-XXXSP)
                                  80K bytes (M37281MKH-XXXSP,M37281EKSP)
RAM ..............1088 bytes (M37281MAH-XXXSP, M37281MFH-XXXSP)
                               1536 bytes (M37281MKH-XXXSP, M37281EKSP)
                                                  (*ROM correction memory included)
*Minimum instruction execution time
......................................... 0.5 s (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 P40P46, P63, P64, P70P72) ...................... 12
*Output ports (Ports P52P55) ..................................................... 4
*LED drive ports ........................................................................... 2
*Serial I/O ............................................................ 8-bit ✕ 1 channel
*Multi-master I2C-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)
*ROM correction function ................................................ 2 vectors
*Closed caption data slicer
*OSD function
Display characters .... 32 characters ✕ 16 lines + RAM font (1 character)
(CC/OSD mode)(CDOSD mode)(RAM font)
Kinds of characters ......... 510 kinds + 62 kinds + 1 kind
(Coloring unit) (a character) (a dot) (a dot)
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
Display position
Horizontal: 256 levels Vertical :1024 levels
(RAM font can be set independently)
Attribute ........................................................................................
CC mode: smooth italic, underline, flash, automatic solid space
OSD mode: border, shadow
Window/Blank function


Application

TV with a closed caption decoder


Pinout

Connection Diagram


Description

The M37281MAHXXXSP, M37281MFHXXXSP and M37281MKHXXXSP are single-chip microcomputers designed with CMOS silicon gate technology. They have a OSD function and a data slicer function, so it is useful for a channel selection system for TV with a closed caption decoder.

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 betweeM37281MAH XXXSP, M37281MKH-XXXSP and M37281MFH-XXXSP are the ROM size and RAM size. Accordingly, the following descriptions will be for the M37281MKH-XXXSP.




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