USB2.0 HUB
USB shield
D-
D+
USB GND
USB HIGH-SPEED
TO HOST
3.3V
+5V
USB HIGH-SPEED
TO NK26
USB FULL-SPEED
TO STM32
USB shield
D-
D+
USB GND
U
S
B
D
IS
C
O
N
N
E
C
T
staked-in cable
staked-in cable
Last Saved Date
File Name
9-79-0596-1-0
9-40-0596-1
ASSY NUMBER:
1
2
3
4
5
6
D
C
B
A
C
D
B
A
COMPANY:
TITLE:
PART NUMBER:
FILENAME:
SCALE:
RELEASED:
DRAWN:
DATED:
DATED:
SIZE:
SHEET:
OF
*
*
NK27 MAIN PCB
NUMARK
MJS
1
4
2
3
L3
1
2
SP2
1
2
3
4
5
6
D2
1
2
SP3
uPD720114
VDD25OUT
1
V
SSR
E
G
2
LED4
3
LED3
4
LED2
5
LED1
6
GREEN
7
AMBER
8
9
X1
10
X2
11
12
BUS_B
13
TEST
14
RREF
15
A
V
SS(
R
)
1
6
AVDD
17
A
V
SS
1
8
19
V
D
D
3
3
2
0
DMU
21
DPU
22
V
SS
2
3
24
DM1
25
DP1
26
2
7
DM2
28
DP2
29
3
0
DM3
31
DP3
32
VDD25
33
DM4
34
DP4
35
3
6
SYSRSTB
37
PPB4
38
CSB4
39
PPB3
40
CSB3
41
4
2
PPB2
43
CSB2
44
PPB1
45
CSB1
46
VBUSM
47
V
D
D
3
3
R
E
G
4
8
U26
0.1uF
1
2
C152
0.1uF
1
2
C153
0.1uF
1
2
C158
0.1uF
1
2
C159
4.7uF
1
2
C160
2.43k 1%
1
2
R209
4.7uF
1
2
C45
0.1uF
1
2
C167
1
2
L5
4.7uF
1
2
C168
0.1uF
1
2
C169
0.1uF
1
2
C170
0.1uF
1
2
C215
0.1uF
1
2
C216
30 MHz
1
2
X3
300 ohm
1
2
R44
18pF
1
2
C217
18pF
1
2
C218
10k 1%
1
2
R214
1uF
1
2
C219
1
2
L6
1uF
1
2
C220
15k
1
2
R215
10k 1%
1
2
R223
0.1uF
1
2
C47
1uF
1
2
C48
1
2
3
4
5
J3
600ohms@100MHz
1
2
L7
0.1uF
1
2
C3
0.1uF
1
2
C17
NJU7223DL1-33
OUT
1
IN
2
G
N
D
3
U4
0 ohm
1
2
R43
MBT4403
1
2
3
Q2
1K
1
2
R13
1K
1
2
R21
1K
1
2
R9
0.1uF
1
2
C2
0.1uF
1
2
C11
820K
1
2
R20
FDC6306P
G
3
D
4
S
2
U1B
12V
1
3
D1
22uF,16V
1
2
C7
0 ohm
1
2
R5
4.7uF,10V
1
2
C23
1
TP2
1
TP1
FDC6306P
G
1
D
6
S
5
U1A
0.1uF
1
2
C5
1uF
1
2
C6
600ohms@100MHz
1
2
L1
MBT4401
1
2
3
Q3
47K
1
2
R23
36K
1
2
R19
MBT4401
1
2
3
Q1
1.50k 1%
1
2
R12
10K
1
2
R11
DNS
1
2
R6
10k 1%
1
2
R182
1
0
k
1
%
1
2
R7
1
4
2
3
L2
0.1uF
1
2
C4
0 ohm
1
2
R51
0
o
h
m
1
2
R
5
3
0 ohm
1
2
R54
1.00M 1%
1
2
R8
22uF,16V
1
2
C9
USB_D-
USB_D+
DP
DM
SHIELD_UP
+3.3V
GND
GND
GND
GND
GND
GND
+3.3V
GND
GND
GND
+5V
GND
SHIELD_UP
+3.3V
GND
+5V
+VBUS
GND
USB_D-
USB_D+
+3.3V
GND
+3.3V
USB_DIS
GND
+3.3V
+VBUS
+5V
SHIELD_DN
GND
1
2
120uF,50V
C8
1
2
3
4
J1
SHIELD_DN
VDD25
1
2
3
4
5
6
D4
GND
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