M37274EFSP datasheet(58/148 Pages) RENESAS

부품명	M37274EFSP

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

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MITSUBISHI MICROCOMPUTERS

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.

Fig. 55. I2C Control Register

b7 b6 b5 b4 b3 b2 b1 b0

Bit counter

(Number of transmit/recieve

bits)

(BC0 to BC2)

b2 b1 b0

0 : 8

1 : 7

0 : 6

1 : 5

0 : 4

1 : 3

0 : 2

1 : 1

I2C-BUS interface use

enable bit (ESO)

0 : Disabled

1 : Enabled

Data format selection bit

(ALS)

0 : Addressing mode

1 : Free data format

Addressing format selection

bit (10BIT SAD)

0 : 7-bit addressing format

1 : 10-bit addressing format

6, 7 Connection control bits

between I C-BUS interface

and ports

b7 b6 Connection port (See note)

0 : None

1 : SCL1, SDA1

0 : SCL2, SDA2

1 : SCL1, SDA1

SCL2, SDA2

I2C control register (S1D : address 00F9 16)

I2C Control Register

Name

Functions

After reset RW

Note: When using ports P11-P14 as I C-BUS interface, the output structure changes

automatically from CMOS output to N-channel open-drain output.

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