M37281MFH-XXXSP Datasheet

IC型號(hào)：
M37281MFH-XXXSP
PDF描述：
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DEC...
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1299.29KB
PDF頁數(shù)：
172頁
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M37281MAH鈥揦XXSP,M37281MFH鈥揦XXSP,M37281MKH鈥揦XXSP,

REJ03B0049-0101Z

M37281EKSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Rev.1.01

with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

2003.07.16

1. DESCRIPTION

The M37281MAH鈥揦XXSP, M37281MFH鈥揦XXSP 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.

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鈥?/div>

XXXSP, M37281MKH-XXXSP and M37281MFH-XXXSP are the ROM

size and RAM size. Accordingly, the following descriptions will be for

the M37281MKH-XXXSP.

2. FEATURES

qNumber

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

qMemory

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)

qMinimum

instruction execution time

......................................... 0.5

碌s

(at 8 MHz oscillation frequency)

qPower

source voltage ................................................. 5 V 鹵 10 %

qSubroutine

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

qInterrupts

....................................................... 19 types, 16 vectors

q8-bit

timers .................................................................................. 6

qProgrammable

I/O ports (Ports P0, P1, P2, P3

, P3

) ............. 26

qInput

ports (Ports P4

鈥揚(yáng)4

, P6

, P7

鈥揚(yáng)7

) ...................... 12

qOutput

ports (Ports P5

鈥揚(yáng)5

) ..................................................... 4

qLED

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

qSerial

I/O ............................................................ 8-bit

鉁?/div>

1 channel

qMulti-master

C-BUS interface .............................. 1 (2 systems)

qA-D

converter (8-bit resolution) .................................... 8 channels

qPWM

output circuit ......................................................... 8-bit

鉁?/div>

qPower

dissipation

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

(at V

= 5.5V, 8 MHz oscillation frequency, OSD on, and Data

slicer on)

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

(at V

= 5.5V, 32 kHz oscillation frequency)

qROM

correction function ................................................ 2 vectors

qClosed

caption data slicer

qOSD

function

Display characters .... 32 characters

鉁?/div>

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)

Triple layer function .......................................................................

2 layers selected from CC/CDOSD/OSD mode + RAM font layer

Character display area .............. CC/CDOSD mode: 16

鉁?/div>

26 dots

OSD mode/RAM font: 16

鉁?/div>

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

3. APPLICATION

TV with a closed caption decoder

Rev.1.01

2003.07.16

page 1 of 171

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