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18
DHT-500SD
FAN8423D3TF(ME:U7)
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25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NC
A3
NC
A2
NC
A1
GND
NC
H1
+
H1
-
H2
+
H2
-
H3
+
H3
-
CS
1
VM
NC
VC
C
FG
1
X
EC
EC
R
S/
S
DI
R
FG
3X
SB
PC
1
NC
VH
FG1X
Ge
ner
at
o
r
St
ar
t
St
o
p
-
+
Reve
rs
e Ro
ta
-
ti
o
n
L
ogi
c
Shor
t
Br
ake
Ha
ll
C
o
m
m
u
ta
ti
o
n
Sel
ect
or
Det
ec-
to
r
Di
re
c
-
tio
n
Upper
Di
st
ri
b
u-
Lo
wer
Di
st
ri
bu-
Hall Amp
TSD
Current Sense
Amp
Output
Current Limit
Absolute
Values
F
G
3
X
G
e
ne
rat
or
GND
GND
Pin Definitions
Pine Number
Pin Name
I/O
Pin Function Description
1
NC
-
No connection
2
A3
O
Output (A3)
3
NC
-
No connection
4
A2
O
Output (A2)
5
NC
-
No connection
6
NC
-
No connection
7
A1
O
Output (A1)
8
GND
-
Ground
9
H1+
I
Hall signal (H1+)
10
H1-
I
Hall signal (H1-)
11
H2+
I
Hall signal (H2+)
12
H2-
I
Hall signal (H2-)
13
H3+
I
Hall signal (H3+)
14
H3-
I
Hall signal (H3-)
15
VH
I
Hall bias
16
NC
-
No connection
17
PC1
-
Phase compensation capacitor
18
SB
I
Short brake
19
FG3X
O
FG waveform (3X)
20
DIR
O
Rotational direction output
21
ECR
I
Output current control reference
22
EC
I
Output current control voltage
S/S
I
Power save (Start/Stop switch)
FG1X
O
FG waveform (1X)
VCC
-
Supply voltage (Signal)
NC
-
No connection
VM
-
Supply voltage (Motor)
CS1
-
Output current detection
RST
M1
M3
M2
M0
(SDA/CDIN)
(SCL/CCLK) (AD0/CS)
AMUTEC
BMUTEC
CMOUT
FILT+
SCLK
LRCK
SDATA
AOUTB-
AOUTB+
AOUTA-
AOUTA+
REFERENCE
EXTERNAL
MUTE CONTROL
VOLUME
CONTROL
VOLUME
CONTROL
SERIAL
PORT
MIXER
INTERPOLATION
FILTER
ANALOG
FILTER
△
Σ
DAC
△
Σ
DAC
ANALOG
FILTER
INTERPOLATION
FILTER
MODE SELECT
( CONTROL PORT)
MCLK
4
17
SDATA
SCLK
AMUTEC
AOUTA-
AOUTA+
VA
5
6
7
8
16
15
14
13
LRCK
MCLK
M3
(SCL/CCLK) M2
AGND
AOUTB+
AOUTB-
BMUTEC
9
10
12
11
(SDA/CDIN) M1
(AD0/CS) M0
CMOUT
FILT+
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