P9235A-RB Layout Guide
© 2019 Integrated Device Technology, Inc
16
March 19, 2019
5.
Schematics, Bill of Materials (BOM), and Board Layout
Figure 14. Application Schematic
C
2
7
NP
SC
L
S
C
LK
R
7
2
1
0k
0
40
2
LED_PATT/FOD_ADJ
R
3
1
NP
R2
0
1
20
6
R
4
0
2
2
0
40
2
VBR
ID
GE
C
2
4
NP
1
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0
60
3
IDE
M
VSN
S_
IN
1
L
D
O
3
3
C
7
0
5
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nF
2
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0
60
3
R
4
7
2
2
0
40
2
C
7
6
NP
VD
EM
1
R
7
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4
7K
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40
2
C
SP
VI
N
_
SEL
FOD_
ADJ
C
2
0
6
80
p
F
1
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0
40
2
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D
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1
8
C
1
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OA6
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7
NP
L
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D2
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SOD
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3
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2
0
80
5
THIS DOCUMENT CONTAINS INFORMATION PROPRIETARY
TO Integrated Device Technology, Inc. (IDT).
USE OR DISCLOSURE WITHOUT THE
WRITTEN PERMISSION OF AN OFFICER OF
IDT IS EXPRESSLY FORBIDDEN
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4
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1
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0
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D3
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1
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3
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R
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1
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TS
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2
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2
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3
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D
4
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5
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L
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6
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7
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C
8
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9
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S
SD
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SW
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M
79
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2
3
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6
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3
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20
6
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5
9
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SW
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5
6
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1
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3
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0
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3
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N
SW
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oil
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6
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SC
L
Only use COG caps
C
6
9
2
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F
1
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0
40
2
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C
C
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5
V
SW
_
BR
G2
R
7
7
NP
C
2
9
6
80
p
F
1
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0
40
2
OPTIONAL
FO
D_
A
DJ
V
CC5
V
USB-MICRO CONNECTOR
R
7
6
1
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0
40
2
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C
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5
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V
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n
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1
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3
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5
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2
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3
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2
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C
5
1
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C
3
4
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1
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0
40
2
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D
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SD
A
C
4
2
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F
1
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0
60
3
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2
1
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1
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4
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D_
A
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C
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5
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2
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0
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3
C
6
7
0
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1
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0
40
2
SDA
M
OSI
P
92
3
5A
-R
B
U3
EN
1
GN
D
2
PR
EG
3
VI
N
4
S
W
_S
5
G
ND1
6
L
D
O
3
3
7
V
IN_
L
DO
8
L
D
O
1
8
9
L
E
D
1
1
0
LE
D2
11
VDDI
O
12
SS
20
S
C
LK
2
1
MI
S
O
2
2
M
OSI
2
3
GH
_BR
G2
2
4
BST
_
BR
G2
2
5
SW
_
BR
G2
2
6
GL
_BR
G2
2
7
G
ND2
2
8
GL
_BR
G1
2
9
SW
_
BR
G1
3
0
EP
41
BST_
BRG1
31
GH_
BRG1
32
DRV_
VIN
33
VBRG_
IN
34
GND3
35
VDEM
1
36
IDE
MI
37
ISN
S_OUT
38
CSN
39
CSP
40
SCL
13
SDA
14
GPIOA2
15
GPIOA3
16
GPIOA4
17
GPIOA5
18
GPIOA6
19
SS
C
SP
MI
S
O
RE
D
t
T
H
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0
60
3
1
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G
ND2
R
3
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C
4
5
1
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F
1
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0
60
3
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C
LK
SS
D-
C
SN
C
SN
R
4
3
1
K
0
40
2
R
6
1
1
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0
40
2
D+
C
4
8
1
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n
F
5
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1
20
6
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N
_
SEL
S
LD
S
LD
VC
C
D-
D+
ID
GN
D
J
11
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s
b
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m
ic
ro_
a
b
1
2
3
4
5
6
7
8
9
1
0
1
1
L
E
D
2
2
1
R
4
4
2
2
0
40
2
TS
M
OSI
COIL TEMPERATURE SENSING
B
R
G
2
_
LG
C
3
2
1
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F
1
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0
60
3
R
4
5
1
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40
2
T
it
le
Siz
e
D
oc
u
m
en
t
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m
b
er
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ev
D
at
e
:
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2
3
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st
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br
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ar
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1
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20
1
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4
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40
2
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D
O
3
3
L
D
O
3
3
Vc
oil
C
5
0
1
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6
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V
0
60
3
C
6
8
0
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1
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0
40
2
L
1
NP
1
2
3
4
B
R
G
1
_
LG
C
7
7
NP
R
2
0
2
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K
0
60
3
C
2
8
5
6p
F
5
0V
0
40
2
R
6
2
NP
C
5
5
1
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F
1
0V
0
60
3
C
3
8
0
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1
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0
40
2
R
5
0
5
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k
0
40
2
R
3
0
NP
C2
NP
1
0V
0
60
3
R
4
2
1
00
K
0
40
2
GPI
OA6
VDEM
1
R
3
9
0
0
40
2
C
5
9
2
2n
F
1
6V
0
60
3
R
4
9
0
0
40
2
C
SN
C
5
7
0
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uF
1
0V
0
40
2
C
5
3
1
uF
6
.3
V
0
60
3
L
D
O
1
8
SW
_
BR
G2
J
4
P
rog C
onn
1
1
2
2
3
3
4
4
5
5
FOR DEVELOPMENT ONLY
R
4
1
1
K
0
40
2
L
D
O
3
3
Vc
oil
C
3
9
2
2n
F
1
6V
0
60
3
L
D
O
3
3
L
D
O
3
3
C
4
9
1
00
n
F
5
0V
1
20
6
SD
A
C
3
3
0
.1
uF
1
0V
0
40
2
C
3
1
1
0u
F
1
0V
0
60
3
GR
E
EN
R
4
6
6
80
0
40
2
R
1
6
NP
R
5
8
1
0k
0
40
2
R
2
8
1
0k
0
40
2
L
X
1
SW
_
BR
G1
R
2
9
NP
C
SP
G
ND3
L
E
D
1
L
ED
_PAT
T
C
3
6
NP
Q5
A
M
79
3
0N
2
3
4
6
5
1
SCL
L
4
4
.7
uH
0
60
3
P9235A-RB DEVELOPEMENT BOARD V1P1
