M37224M3-XXXSP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M37224M3-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

M37224M3-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

FUNCTIONS

Parameter

Number of basic instructions

Instruction execution time

Clock frequency

Memory size

Input/Output ports

ROM

RAM

CRT ROM

CRT RAM

P0

P10–P17

P20, P21

P22–P27

P30, P31

Serial I/O

A-D comparator

D-A converter

PWM output circuit

Timers

ROM correction function

Subroutine nesting

Interrupt

P32

P33, P34

P52–P55

I/O

I/O

I/O

I/O

I/O

I/O

Input

Output

Clock generating circuit

Power source voltage

Power dissipation

Operating temperature range

Device structure

Package

CRT display function

CRT ON

CRT OFF

In stop mode

Number of display characters

Dot structure

Kinds of characters

Kinds of character sizes

Kinds of character colors

Display position (horizontal, vertical)

Functions

71

0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre-

quency)

8 MHz (maximum)

12 K bytes

256 bytes

4 K bytes

80 bytes

8-bit ! 1 (N-channel open-drain output structure, can be used as PWM

output pins, INT input pins, A-D input pin)

8-bit ! 1 (CMOS input/output structure, can be used as A-D input pins, INT

input pin)

2-bit ! 1 (CMOS input/output or N-channel open-drain output structure,

can be used as serial I/O pins)

6-bit ! 1 (CMOS input/output structure, can be used as serial input pin,

external clock input pins)

2-bit ! 1 (CMOS input/output or N-channel open-drain output structure,

can be used as A-D input pins, D-A conversion output pins)

1-bit ! 1 (N-channel open-drain output structure)

2-bit ! 1 (can be used as CRT display clock I/O pins)

4-bit ! 1 (CMOS output structure, can be used as CRT output pins)

8-bit ! 1

6 channels (6-bit resolution)

2 (7-bit resolution)

14-bit ! 1, 8-bit ! 6

8-bit timer ! 4

32 bytes ! 2

96 levels (maximum)

External interrupt ! 3, Internal timer interrupt ! 4, Serial I/O interrupt ! 1,

CRT interrupt ! 1, f(XIN)/4096 interrupt ! 1, VSYNC interrupt ! 1,

BRK interrupt ! 1

2 built-in circuits (externally connected to a ceramic resonator or a quartz-

crystal oscillator)

5 V ± 10 %

165 mW typ. (at oscillation frequency f(XIN) = 8 MHz, fCRT = 8 MHz)

110 mW typ. (at oscillation frequency f(XIN) = 8 MHz)

1.65 mW (maximum)

–10 °C to 70 °C

CMOS silicon gate process

42-pin shrink plastic molded DIP

20 characters ! 2 lines (maximum 16 lines by software)

12 ! 16 dots

128 kinds

3 kinds

Maximum 7 kinds (R, G, B); can be specified by the character

64 levels (horizontal) ! 128 levels (vertical)

3

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