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參數資料
型號： M37270MF
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 8 Bits Microcomputer(8位單片機)
中文描述： 單芯片8位單片機（8位單片機）
文件頁數： 1/94頁
文件大小： 1551K
代理商： M37270MF
DESCRIPTION
The M37270MF-XXXSP is a single-chip microcomputer designed with
CMOS silicon gate technology. It is housed in a 64-pin shrink plastic
molded DIP.
In addition to their simple instruction sets, the ROM, RAM and I/O
addresses are placed on the same memory map to enable easy pro-
gramming.
The M37270MF-XXXSP has 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. The features of the M37270EF-XXXSP and the
M37270EFSP are similar to those of the M37270MF-XXXSP except
that these chips have a built-in PROM which can be written electri-
cally.
FEATURES
Number of basic instructions ..................................................... 71
Memory size
ROM ........................................................60 K bytes
RAM........................................................1024 bytes
ROM for OSD ....................................... 14464 bytes
RAM for OSD ......................................... 1920 bytes
The minimum instruction execution time
.......................................... 0.5
μ
s (at 8 MHz oscillation frequency)
Power source voltage .................................................. 5 V ± 10 %
Subroutine nesting ............................................. 128 levels (Max.)
Interrupts ....................................................... 18 types, 16 vectors
8-bit timers .................................................................................. 6
Programmable I/O ports (Ports P0, P1, P2, P3
0
, P3
1
) .............. 26
Input ports (Ports P4
0
–P4
6
, P6
3
, P6
4
)......................................... 9
Output ports (Ports P3
2
, P4
7
, P5, P6
0
–P6
2
, P6
5
–P6
7
) ............. 16
12 V withstand ports ..................................................................11
LED drive ports ........................................................................... 2
Serial I/O ............................................................ 8-bit
1 channel
Multi-master I
2
C-BUS interface ............................... 1 (2 systems)
A-D converter (8-bit resolution) ................................... 4 channels
PWM output circuit........................................................... 8-bit
8
Interrupt interval determination circuit ......................................... 1
Power dissipation
In high-speed mode .......................................................... 165mW
(at V
CC
= 5.5V, 8MHz oscillation frequency, CRT on, and Data
slicer on)
In low-speed mode .......................................................... 0.33mW
(at V
CC
= 5.5V, 32kHz oscillation frequency)
Data slicer
OSD function
Display characters ...............................40 characters
16 lines
Kinds of characters ..................................................... 320 kinds
(In EXOSD mode, they can be combined with 32 kinds of extra
fonts)
Dot structure ........................................CC mode : 16
26 dots
OSD mode : 16
20 dots
EXOSD mode : 16
26 dots
Kinds of character sizes................................CC mode : 2 types
OSD mode : 14 types
EXOSD mode : 6 types
It can be specified by a character unit (maximum 7 kinds).
Character font coloring, character background coloring
It can be specified by a screen unit (maximum 7 kinds).
Extra font coloring, raster coloring, border coloring
Kinds of character colors ............... CC mode : 7 kinds (R, G, B)
OSD mode : 15 kinds (R, G, B, I)
EXOSD mode : 7 kinds (R, G, B, I1, I2)
Display position
Horizontal................................................................ 256 levels
Vertical .................................................................. 1024 levels
Attribute ......................CC mode : smooth italic, underline, flash
OSD mode : border
EXOSD mode : border,
extra font (32 kinds)
Automatic solid space function
Window function
Dual layer OSD function
APPLICATION
TV with a closed caption decoder
MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
相關PDF資料
PDF描述
M37270MF-100SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-101SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-103SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-106SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-167SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
相關代理商/技術參數
參數描述
M37270MF-100SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-101SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-103SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF-106SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37270MF107SP 制造商:MITS 功能描述:*
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