UPD16856 NEC, UPD16856 Datasheet - Page 5

• Manufacturer Part Number: UPD16856
• Description: MONOLITHIC CD-ROM 3-PHASE SPINDLE MOTOR DRIVER
• Manufacturer: NEC

BLOCK DIAGRAM
Caution When there is more than one pin of the same kind of pin (V
to their targets.
OUT2
OUT1
OUT0
STB
IND
I
RF
RF
RF
RF
SEN
CL
V
V
V
V
M
M
M
M
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Q5
Q6
Q3
Q4
Q1
Q2
Data Sheet S13447EJ1V0DS00
excitation
generator
Phase
detection
pulse
Reverse
rotation
Ganged
with STB
circuit
UVLO
T.S.D
M
and RF), all pins should be connected
OSC
+
–
+
–
+
–
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
EC
ECR
V
C
H2+
H2–
H1+
H1–
H0+
H0–
HB
FGsel
ST/SP
REV
GND
DD
T
PD16856
5