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UPD16856GS Datasheet(PDF) 4 Page - NEC

Part # UPD16856GS
Description  MONOLITHIC CD-ROM 3-PHASE SPINDLE MOTOR DRIVER
PDF  16 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD16856GS Datasheet(HTML) 4 Page - NEC

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4
µµµµPD16856
Data Sheet S13447EJ1V0DS00
PIN FUNCTIONS
Package: 30-pin Shrink SOP (300 mil)
Pin No.
Pin Name
Pin Function
1
IND
Index signal output pin
2
STB
Standby operation input pin
3VM
Supply input pin for motor block (12 V)
4VM
Supply input pin for motor block (12 V)
5
OUT2
Motor connection pin
6
RF
3-phase bridge common pin
7
RF
3-phase bridge common pin
8
OUT1
Motor connection pin
9VM
Supply input pin for motor block (12 V)
10
VM
Supply input pin for motor block (12 V)
11
OUT0
Motor connection pin
12
RF
3-phase bridge common pin
13
RF
3-phase bridge common pin
14
ISEN
Sense resistor connection pin
15
CL
Overcurrent detection voltage input pin
16
GND
GND pin
17
REV
Reverse rotation input pin (reverse brake pin)
18
ST/SP
Start/stop input pin
19
FGsel
IND pulse selection pin
20
HB
Hole bias pin
21
H0
−
Hole signal input pin
22
H0+
Hole signal input pin
23
H1
−
Hole signal input pin
24
H1+
Hole signal input pin
25
H2
−
Hole signal input pin
26
H2+
Hole signal input pin
27
CT
Oscillation frequency setup capacitor connection pin
28
VDD
Controller block supply input pin (5 V)
29
ECR
Control reference voltage input pin
30
EC
Control voltage input pin
Caution
When there is more than one pin of the same kind of pin (VM and RF), all pins should be connected
to their targets.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
IND
STB
VM
VM
OUT2
RF
RF
OUT1
VM
VM
OUT0
RF
RF
ISEN
CL
EC
ECR
VDD
CT
H2+
H2–
H1+
H1–
H0+
H0–
HB
FGsel
ST/SP
REV
GND



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