M37270MF-XXXSP datasheet(5/95 Pages) RENESAS

Part #	M37270MF-XXXSP

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

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Manufacturer	RENESAS [Renesas Technology Corp]

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MITSUBISHI MICROCOMPUTERS

M37270MF-XXXSP

M37270EF-XXXSP, M37270EFSP

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

and ON-SCREEN DISPLAY CONTROLLER

4

71

0.5

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

quency)

8 MHz (maximum)

60 K bytes

1024 bytes

14464 bytes

1920 bytes

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

output pins)

1-bit ! 1 (CMOS input/output structure)

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

INT input pin, serial input pin)

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

master I2C-BUS interface)

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

2-bit ! 1 (CMOS input/output structure)

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

5-bit ! 1 (can be used as A-D input pins, INT input pins, external clock

input pins)

2-bit ! 1 (N-channel open-drain output structure when serial I/O is used,

can be used as serial I/O pins)

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

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

output pins)

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

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

1-bit ! 1 (can be used as sub-clock input pin, OSD clock input pin)

1-bit ! 1 (CMOS output structure when LC is oscillating, can be used as

sub-clock output pin, OSD clock output pin)

8-bit ! 1

1

4 channels (8-bit resolution)

8-bit ! 8

8-bit timer ! 6

128 levels (maximum)

1

External interrupt ! 3, Internal timer interrupt ! 6, Serial I/O interrupt ! 1,

OSD interrupt ! 1, Multi-master I2C-BUS interface interrupt ! 1,

Data slicer interrupt ! 1, f(XIN)/4092 interrupt ! 1, VSYNC interrupt ! 1, A-

D conversion interrupt ! 1, BRK instruction interrupt ! 1

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

crystal oscillator)

Built in

ROM

RAM

OSD ROM

OSD RAM

P00–P02,

P04–P07

P03

P10, P15–P17

P11–P14

P2

P30, P31

P32

P40–P44

P45, P46

P47

P50, P51, P56,

P57

P52–P55

P60–P62,

P65–P67

P63

P64

Parameter

Functions

FUNCTIONS

I/O

Output

Input

Output

Input

Number of basic instructions

Instruction execution time

Clock frequency

Memory size

Input/Output ports

Serial I/O

Multi-master I2C-BUS interface

A-D converter

PWM output circuit

Timers

Subroutine nesting

Interrupt interval determination circuit

Interrupt

Clock generating circuit

Data slicer

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