M37272MA-309SP datasheet(1/142 Pages) MITSUBISHI

Part #	M37272MA-309SP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER????

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

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

and ON-SCREEN DISPLAY CONTROLLER

M37272M6/M8–XXXSP/FP, M37272MA–XXXSP

M37272E8SP/FP, M37272EFSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.4

1. DESCRIPTION

The M37272M6/M8-XXXSP/FP and M37272MA-XXXSP are single-

chip microcomputers designed with CMOS silicon gate technology.

They have a OSD, data slicer, and I2C-BUS interface, so it is useful

for a channel selection system for TV with a closed caption decoder.

The features of the M37272E8SP/FP and M37272EFSP are similar

to those of the M37272M6-XXXSP except that the chip has a built-in

PROM which can be written electrically. The difference between

M37272M6-XXXSP/FP, M37272M8-XXXSP/FP and M37272MA-

XXXSP are the ROM size and RAM size. Accordingly, the following

descriptions will be for the M37272M6-XXXSP/FP.

2. FEATURES

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

qMemory size

ROM .............. 24K bytes

(M37272M6-XXXSP/FP)

32K bytes

(M37272M8-XXXSP/FP, M37272E8SP/FP)

40K bytes

(M37272MA-XXXSP)

60K bytes

(M37272EFSP)

RAM ............... 1024 bytes

(M37272M6-XXXSP/FP)

1152 bytes

(M37272M8-XXXSP/FP, M37272E8SP/FP)

1472 bytes

(M37272MA-XXXSP, M37272EFSP)

(*ROM correction memory included)

qMinimum instruction execution time

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

µs (at 8 MHz oscillation frequency)

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

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

qInterrupts ....................................................... 17 types, 16 vectors

q8-bit timers .................................................................................. 6

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

qInput ports (Ports P50, P51) ........................................................ 2

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

q12 V withstand ports ................................................................... 6

qLED drive ports ........................................................................... 4

qSerial I/O ............................................................ 8-bit ! 1 channel

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

qA-D comparator (6-bit resolution) ................................ 6 channels

qPWM output circuit ......................................................... 8-bit ! 6

qPower 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)

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

qClosed caption data slicer

q OSD function

Display characters ................................... 32 characters ! 2 lines

(It is possible to display 3 lines or more by software)

Kinds of characters ........................................................ 254 kinds

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

OSD mode: 16 ! 20 dots

Kinds of character sizes ..................................... CC mode: 1 kind

OSD mode: 8 kinds

Kinds of character colors .................................. 8 colors (R, G, B)

Coloring unit ................... character, character background, raster

Display position

Horizontal: 128 levels

Vertical: 512 levels

Attribute ........................................................................................

CC mode: smooth italic, underline, flash, automatic solid space

OSD mode: border

Smoth roll-up

Window function

3. APPLICATION

TV with a closed caption decoder

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M37272MA-309SP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

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