M37274EFSP datasheet(33/148 Pages) RENESAS

33 / 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

Fig. 25. PWM Mode Register 1

Fig. 26. PWM Mode Register 2

b7 b6 b5 b4 b3 b2 b1 b0

PWM mode register 1 (PN) [Address 020A16]

After reset

PWM Mode Register 1

Name

Functions

DA/P03 output

selection bit (PN1)

Indeterminate

Nothing is assigned. These bits are write disable bits.

When these bits are read out, the values are “0.”

0 : P03 output

1 : DA output

R —

PWM counts source

selection bit (PN0)

0 : Count source supply

1 : Count source stop

DA output polarity

selection bit (PN2)

0 : Positive polarity

1 : Negative polarity

PWM output polarity

selection bit (PN3)

0 : Positive polarity

1 : Negative polarity

b7 b6 b5 b4 b3 b2 b1 b0

PWM mode register 2 (PW) [Address 020B16]

After reset RW

PWM Mode Register 2

Name

Functions

P04/PWM0 output

selection bit (PW0)

0 : P04 output

1 : PWM0 output

P06/PWM2 output

selection bit (PW2)

0 : P06 output

1 : PWM2 output

P07/PWM3 output

selection bit (PW3)

0 : P07 output

1 : PWM3 output

P00/PWM4 output

selection bit (PW4)

0 : P00 output

1 : PWM4 output

P01/PWM5 output

selection bit (PW5)

0: P01 output

1: PWM5 output

Fix this bit to “0.”

P05/PWM1 output

selection bit (PW1)

0 : P05 output

1 : PWM1 output

P02/PWM6 output

selection bit (PW6)

0: P02 output

1: PWM6 output

0R W

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