M37207MF datasheet(41/122 Pages) RENESAS

41 / 122 page

MITSUBISHI MICROCOMPUTERS

M37207MF-XXXSP/FP, M37207M8-XXXSP

M37207EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

and ON-SCREEN DISPLAY CONTROLLER

PWM1 register (Address : 00D116)

8-bit PWM circuit

PN3

P60

PW2

D60

PWM0

P61

PW3

D61

PWM1

P62

PW4

D62

PWM2

P63

PW5

D63

PWM3

P64

PW6

D64

PWM4

P65

PW7

D65

PWM5

Inside of

is as same contents with

the others.

Selection gate :

Connected to black

side at reset.

Pass gate

PW : PWM output countrol register 1

PN : PWM output control register 2

P66

PN0

D66

PWM6

P67

PN1

D67

PWM7

D6 : Port P6 direction register

D4 : port P4 direction register

SRDY1

SIC3

D47

PWM8

P47

SIC7

P46

SIC6

D46

PWM9

SIC : Serial I/O control register

PWM2 register (Address : 00D216)

PWM3 register (Address : 00D316)

PWM4 register (Address : 00D416)

PWM5 register (Address : 00F616)

PWM6 register (Address : 00F716)

PWM7 register (Address : 00F816)

PWM8 register (Address : 00F916)

PWM9 register (Address : 00FA16)

D-A/AD3

DA-H register

(Address : 00CE16)

1/2

XIN

Timing

generator

for PWM

PWM0 register

(Address : 00D0 16)

14-bit PWM circuit

PN2 PN4

PW1

D-A

MSB

DA latch (14-bits)

LSB

PW0

DA-L register

(Address : 00CF16)

A-D

MSB

Data bus

PWM0 latch

LSB

Table 5. Relation Between the 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. 35. PWM Block Diagram

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