DA9012.001
25 August 2004
MAS9012A2 DUAL OUTPUT DRIVER PIN CONFIGURATION IN PLASTIC TSSOP-16
NC
OUTB3
OUTB4
OUTB2
OUTB1
CWB
VDD
OUTA3
OUTA4
OUTA2
OUTA1
CWA
Top Marking Definitions:
YYWW = Year Week
FSCXB
XRESET
FSCXA
VSS
PIN DESCRIPTION
Pin Name
Pin
Type
Function
1
NC
OUTB3
OUTB4
OUTB2
OUTB1
CWB
2
3
4
5
6
AO
AO
AO
AO
DI
Stepper Motor Driver B Coil Output 3
Stepper Motor Driver B Coil Output 4
Stepper Motor Driver B Coil Output 2
Stepper Motor Driver B Coil Output 1
Rotation Direction Selection B,
High = Clockwise, Low = Counterclockwise
Stepping Clock Input B
FSCXB
XRESET
VSS
FSCAXA
CWA
7
8
9
10
11
DI
DI
G
DI
DI
Master Reset, active low
Power Supply Ground
Stepping Clock Input A
Rotation Direction Selection A,
High = Clockwise, Low = Counterclockwise
Stepper Motor Driver A Coil Output 1
Stepper Motor Driver A Coil Output 2
Stepper Motor Driver A Coil Output 4
Stepper Motor Driver A Coil Output 3
Positive Power Supply
OUTA1
OUTA2
OUTA4
OUTA3
VDD
12
13
14
15
16
AO
AO
AO
AO
P
A = Analog, D = Digital, P = Power, G = Ground, I = Input, O = Output, NC = Not Connected
8 (12)
MAS [ MICRO ANALOG SYSTEMS ]
