PG001 データシートの表示（PDF） - Allegro MicroSystems

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PG001

PARALLEL-TO-SERIAL DATA CONVERTER

Allegro MicroSystems 

PG001M

PARALLEL-TO-SERIAL

DATA CONVERTER

MODE SELECT2 7

MODE SELECT1 6

VECTOR

CONTROL 15

MONITOR 9

5

NOT

USABLE 4

CCW/CW 3

CLOCK IN 2

RESET 1

FUNCTIONAL BLOCK DIAGRAM

MODE SELECTOR

SET

V DD

16

CONTROL

SUPPLY

a

b

c

PHASE

UP-DOWN

COUNTER

8

GROUND

OSC.

10 SERIAL DATAB

11 SERIAL DATAA

12

NO (INTERNAL)

CONNECTION

13 STROBE

14 CLOCK OUT

Dwg. FK-009A

Motor

Excitation

Full Step

Half Step

1/4 Step

1/8 Step

PG001M

Inputs

VC MS1 MS2

H

L

L

L

L

L

X

H

L

X

L

H

X

H

H

TRUTH TABLE

SLA7042/44M Output Sequence & PWM Current

0

1

2

3

4

5

6

7

0% 20% 40% 55.5% 71.4% 83% 91% 100%

–

–

–

–

–

–

–

s

–

–

–

–

s

–

–

–

s

–

–

–

s

–

–

s

s

–

s

–

s

–

s

s

ssssssss

Motor

Torque

141%

100%

100%

100%

100%

115 Northeast Cutoff, Box 15036

™

Worcester, Massachusetts 01615-0036 (508) 853-5000

Copyright © 1998, Allegro MicroSystems, Inc.

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