DA9012.001

25 August 2004

8 (12)

MAS9012A2 DUAL OUTPUT DRIVER PIN CONFIGURATION IN PLASTIC TSSOP-16

OUTB3

NC

OUTB4

OUTB2

OUTB1

CWB

FSCXB

XRESET

OUTA4

VDD

OUTA3

OUTA2

OUTA1

CWA

FSCXA

VSS

Top Marking Definitions:

YYWW = Year Week

PIN DESCRIPTION

Pin Name

Pin

Type

Function

1

NC

OUTB3

2

AO

Stepper Motor Driver B Coil Output 3

OUTB4

3

AO

Stepper Motor Driver B Coil Output 4

OUTB2

4

AO

Stepper Motor Driver B Coil Output 2

OUTB1

5

AO

Stepper Motor Driver B Coil Output 1

CWB

6

DI

Rotation Direction Selection B,

High = Clockwise, Low = Counterclockwise

FSCXB

7

DI

Stepping Clock Input B

XRESET

8

DI

Master Reset, active low

VSS

9

G

Power Supply Ground

FSCAXA

10

DI

Stepping Clock Input A

CWA

11

DI

Rotation Direction Selection A,

High = Clockwise, Low = Counterclockwise

OUTA1

12

AO

Stepper Motor Driver A Coil Output 1

OUTA2

13

AO

Stepper Motor Driver A Coil Output 2

OUTA4

14

AO

Stepper Motor Driver A Coil Output 4

OUTA3

15

AO

Stepper Motor Driver A Coil Output 3

VDD

16

P

Positive Power Supply

A = Analog, D = Digital, P = Power, G = Ground, I = Input, O = Output, NC = Not Connected