DA9012.001
25 August 2004
BLOCK DIAGRAMS
VDD
Output
Driver A
FSCXA
CWA
Output
Driver A
FSCX
CW
Glitch
Filter
Glitch
Filter
Glitch
Filter
OUTA1
OUTA2
OUTA3
OUTA4
FSCXB
CWB
Glitch
Filter
Glitch
Filter
Glitch
Filter
Glitch
Filter
Glitch
Filter
Output
Driver B
OUTB1
OUTB2
OUTB3
OUTB4
OUTA1
OUTA2
OUTA3
OUTA4
VDD
XRESET
XRESET
VSS
MAS9012A1
VSS
MAS9012A2
Figure 1.
Block diagrams of single and dual output stepper motor driver ICs MAS9012A1 and MAS9012A2
VDD Output
Driver A
FSCXA
CWA
Output
Driver A
FSCXA
CWA
Glitch
Filter
Glitch
Filter
Output
Driver B
FSCXB
CWB
Glitch
Filter
Glitch
Filter
Output
Driver C
FSCXC
CWC
Glitch
Filter
Glitch
Filter
Glitch
Filter
OUTC1
OUTC2
OUTC3
OUTC4
FSCXD
CWD
Glitch
Filter
Glitch
Filter
Glitch
Filter
OUTB1
OUTB2
OUTB3
OUTB4
FSCXC
CWC
Glitch
Filter
Glitch
Filter
Output
Driver D
OUTD1
OUTD2
OUTD3
OUTD4
OUTA1
OUTA2
OUTA3
OUTA4
FSCXB
CWB
Glitch
Filter
Glitch
Filter
Output
Driver C
OUTC1
OUTC2
OUTC3
OUTC4
Glitch
Filter
Glitch
Filter
Output
Driver B
OUTB1
OUTB2
OUTB3
OUTB4
VDD
OUTA1
OUTA2
OUTA3
OUTA4
XRESET
XRESET
VSS
MAS9012A3
VSS
MAS9012A4
Figure 2.
Block diagrams of triple and quad output stepper motor driver ICs MAS9012A3 and MAS9012A4
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