M37274MA

更新时间： 2024-11-11 22:46:43

品牌	Logo	应用领域
三菱 - MITSUBISHI		解码器显示控制器瞄准线计算机
页数	文件大小	规格书
131页	2041K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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数据手册

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M37274MA 数据手册

MITSUBISHI MICROCOMPUTERS

M37274MA-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

OSD function

DESCRIPTION

•

The M37274MA-XXXSP is a single-chip microcomputer designed with

CMOS silicon gate technology. It is housed in a 52-pin shrink plastic

molded DIP.

Display characters ............................... 36 characters ✕ 12 lines

Kinds of characters...................................................... 256 kinds

(In EXOSD mode, they can be combined with 16 kinds of extra

fonts)

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.

Character display area ........................ CC mode : 16 ✕ 26 dots

OSD mode : 16 ✕ 20 dots

The M37274MA-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.

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 : 7 kinds (R, G, B)

FEATURES

Number of basic instructions..................................................... 71

•

Memory size

•

ROM ....................................................... 40 K bytes

RAM ..........................................................768 bytes

ROM correction memory............................. 64 bytes

ROM for OSD .......................................11072 bytes

RAM for OSD .......................................... 1296 bytes

EXOSD mode : 5 kinds (R, G, B)

Display position

Minimum instruction execution time

Horizontal ................................................................ 256 levels

Vertical .................................................................. 1024 levels

Attribute ......................CC mode : smooth italic, underline, flash

OSD mode : border

•

......................................... 0.5 µs (at 8 MHz oscillation frequency)

Power source voltage...................................................5 V ± 10 %

•

Subroutine nesting ............................................. 128 levels (Max.)

•

Interrupts ....................................................... 18 types, 16 vectors

EXOSD mode : border,

•

8-bit timers .................................................................................. 6

extra font (16 kinds)

•

Programmable I/O ports (Ports P0, P1, P2, P30, P31) .............. 26

Automatic solid space function

•

Input ports (Ports P40–P46, P63, P64, P70–P72) ...................... 12

Window function

•

Output ports (Ports P52–P55)...................................................... 4

Dual layer OSD function

•

12 V withstand ports.................................................................... 7

•

LED drive ports ........................................................................... 2

•

APPLICATION

TV with a closed caption decoder

Serial I/O ............................................................ 8-bit ✕ 1 channel

Multi-master I²C-BUS interface ................................1 (2 systems)

•

A-D converter (8-bit resolution) .................................... 4 channels

•

PWM output circuit ......................................... 14-bit ✕ 1, 8-bit ✕ 7

•

Power dissipation

•

In high-speed mode .......................................................... 165mW

(at VCC = 5.5V, 8MHz oscillation frequency, CRT on, and Data

slicer on)

In low-speed mode ........................................................... 0.33mW

(at VCC = 5.5V, 32kHz oscillation frequency)

Data slicer

•

ROM correction function

•

12 3 4 5 6 7...131

中文翻译

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与M37274MA相关器件

型号	品牌	获取价格	描述	数据表
M37274MA-052SP	MITSUBISHI	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M37274MA-053SP	MITSUBISHI	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M37274MA-082SP	MITSUBISHI	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M37274MA-084SP	MITSUBISHI	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M37274MA-XXXSP	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M3727GM6	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M3727GM6-XXXSP	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M3727GM8-XXXSP	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
M37280EKSP	RENESAS	获取价格	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CON
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