M37274EFSP datasheet(30/148 Pages) RENESAS

30 / 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

LSB

Table 2. Relation Between Low-order 6-bit Data and High-level

Area Increase Interval

Area Longer by

τ Than That of Other tm (m = 0 to 63)

Nothing

m = 32

m = 16, 48

m = 8, 24, 40, 56

m = 4, 12, 20, 28, 36, 44, 52, 60

m = 2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62

m = 1, 3, 5, 7, ................................. 57, 59, 61, 63

Low-order 6 bits of Data

0 0 0 0 0 0

0 0 0 0 0 1

0 0 0 0 1 0

0 0 0 1 0 0

0 0 1 0 0 0

0 1 0 0 0 0

1 0 0 0 0 0

Fig. 22. PWM Block Diagram

: PWM mode register 1 (address 020A16)

: PWM mode register 2 (address 020B16)

: Port P0 register (address 00C016)

: Port P0 direction register (address 00C116)

Selection gate :

Connected to

black side at

reset.

is as same contents with the others.

PWM1 register (Address 0201 16)

PWM2 register (Address 0202 16)

PWM3 register (Address 0203 16)

PWM4 register (Address 0204 16)

PWM5 register (Address 0205 16)

PWM6 register (Address 0206 16)

Data bus

PWM0 register

(Address 020016)

8-bit PWM circuit

POL

P04

PW0

D04

PWM0

P05

PW1

D05

PWM1

P06

PW2

D06

PWM2

P07

PW3

D07

PWM3

P00

PW4

D00

PWM4

P01

PW5

D01

PWM5

P02

PW6

D02

PWM6

Inside of

PN0

1/2

XIN

PWM timing

generating

circuit

14-bit PWM circuit

PN2

P03

PN1

D03

MSB

DA-H register

(Address : 024016)

DA latch

(14 bits)

DA-L register (Note)

(Address : 024116)

LSB

D-A

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