M37220M3 datasheet(2/54 Pages) RENESAS

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P06/INT2/A-D4

XOUT

HSYNC

VSYNC

P00/PWM0

P01/PWM1

P02/PWM2

P03/PWM3

P04/PWM4

P05/PWM5

P07/INT1

P23/TIM3

P24/TIM2

P25

P26

P27

D-A

P32

CNVSS

XIN

VSS

P52/R

P53/G

P54/B

P55/OUT

P20/SCLK

P21/SOUT

P22/SIN

P10

P11

P12

P13

P14

P15/A-D1/INT3

P16/A-D2

P30/A-D5/DA1

P31/A-D6/DA2

RESET

OSC1/P33

OSC2/P34

VCC

P17/A-D3

PIN CONFIGURATION (TOP VIEW)

DESCRIPTION

The M37220M3-XXXSP is a single-chip microcomputer designed with

CMOS silicon gate technology. It is housed in a 42-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 M37220M3-XXXSP has a PWM output function and a OSD dis-

play function, so it is useful for a channel selection system for TV.

FEATURES

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

• Memory size

ROM ........................................................ 12 K bytes

RAM ......................................................... 256 bytes

ROM for display......................................... 4 K bytes

RAM for display .......................................... 80 bytes

• The minimum instruction execution time

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

µs (at 8 MHz oscillation frequency)

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

• Power dissipation ............................................................. 165 mW

(at 8 MHz oscillation frequency, VCC=5.5V, at CRT display)

• Subroutine nesting ....................................... 96 levels (maximum)

• Interrupts ....................................................... 13 types, 13 vectors

• 8-bit timers .................................................................................. 4

• Programmable I/O ports (Ports P0, P1, P2, P30–P32) .............. 27

• Input ports (Ports P33, P34) ......................................................... 2

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

• 12 V withstand ports ....................................................................6

• LED drive ports ........................................................................... 4

• Serial I/O ............................................................ 8-bit ! 1 channel

• A-D comparator (6-bit resolution) ................................ 6 channels

• D-A converter (6-bit resolution) ...................................................2

• PWM output circuit ......................................... 14-bit ! 1, 8-bit ! 6

• CRT display function

Number of display characters ................ 24 characters ! 2 lines

(16 lines maximum)

Kinds of characters ..................................................... 128 kinds

Dot structure .......................................................... 12 ! 16 dots

Kinds of character sizes .................................................. 3 kinds

Kinds of character colors (It can be specified by the character)

maximum 7 kinds (R, G, B)

Kinds of raster colors (maximum 7 kinds)

Display position

Horizontal .................................................................. 64 levels

Vertical .................................................................... 128 levels

Bordering (horizontal and vertical)

APPLICATION

Outline 42P4B

MITSUBISHI MICROCOMPUTERS

M37220M3-XXXSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

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