M37274EFSP datasheet(5/148 Pages) RENESAS

5 / 148 page

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

and ON-SCREEN DISPLAY CONTROLLER

M37274EFSP

PRELIMINARY

Notice:

This

is not

a final

specification.

Some

paramentic

limits

are

subject

to change.

MITSUBISHI MICROCOMPUTERS

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

Clock generating circuit

Data slicer

ROM

RAM

OSD ROM

OSD RAM

P00–P02,

P04–P07

P03

P10, P15–P17

P11–P14

P30, P31

P40–P44

P45, P46

P52–P55

P63

P64

P70–P72

ROM correction memory

I/O

Input

Output

Input

0.5

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

quency)

8 MHz (maximum)

60 K bytes

1024 bytes

11072 bytes

1920 bytes

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

PWM output pins)

1-bit ! 1

(CMOS input/output structure, can be used as 14-bit PWM output pin)

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)

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)

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

3-bit ! 1 (can be used as data slicer input/output)

8-bit ! 1

6 channels (8-bit resolution)

14-bit ! 1, 8-bit ! 7

8-bit timer ! 6

128 levels (maximum)

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 to a ceramic resonator or a quartz-

crystal oscillator)

Parameter

Functions

FUNCTIONS

64 bytes

Built in

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