UPD168110 Datasheet, PDF (5/18 Pages) NEC – MICROSTEP DRIVER FOR DRIVING CAMERA LENS

Standard Connection Diagram
Microstep/2-phase excitation driving
CPU
µPD168110
MODE MOBSEL RESET CLK CW PS STOP
3.3 V
1000 pF
VDD
VM1
VM2
5.0 V
330 pF ^COSC
LGND
FB1
2 kΩ
OSC
+
Current
Sense1
–+
VM
H BRIDGE
ch1
DECODER
PULSE
GENERATER
EVR1 EVR2
CURRENT SET
FILTER FILTER
Internal Block
+
+–
VM
H BRIDGE
ch2
Current
Sense2
PGND
OUT1A OUT1B FIL1
OE
FIL2 OUT2A OUT2B
1000 pF
1000 pF
from CPU
PGND
M
Only 2-phase excitation driving
CPU
VDD
MOB
10 kΩ
FB2
2 kΩ
1000 pF
MODE MOBSEL RESET CLK CW PS STOP
3.3 V
VDD
VM1
VM2
5.0 V
COSC
LGND
VDD
FB1
OSC
+
Current
Sense1
–+
VM
H BRIDGE
ch1
DECODER
PULSE
GENERATER
EVR1 EVR2
CURRENT SET
FILTER FILTER
Internal Block
+
+–
VM
H BRIDGE
ch2
Current
Sense2
PGND OUT1A OUT1B FIL1
OE
FIL2 OUT2A OUT2B
From CPU
PGND
M
VDD
MOB
10 kΩ
VDD
FB2
Data Sheet S15840EJ2V0DS
5