PC-UM10M
LL-T1820-H/B CIRCUIT DIAGRAM
7 – 10
V3.3
V5
V5
XRS
T
XRS
T
GND
GND
US5
US5
CN3
S4B-PH-SM3-TB
1
2
3
4
CN2
USB-A
1
2
3
4
5
6
7
8
VCC
DATA-
DATA+
GND
VCC
DATA-
DATA+
GND
BR6
NU(3K*2)
1
4
2
3
R10
0ohm(NU)
R11
0ohm
R12
TP(NU)
R7
100K
R8
100K
BR5
100K*2
1
4
2
3
C4
0.1uF
C3
0.1uF
C9
0.1uF
L3
PLP3216S551SL2
1
2
3
4
L4
PLP3216S551SL2
1
2
3
4
D1
DAN217U
1
3
2
R
6
1.5K
FB1
BLM21P221SG
R14
470
FB2
BLM21P221SG
FB4
BLM21P221SG
C1
0.1u
C2
0.1u
FB3
BLM21P221SG
B
R
2
15*2
1
4
2
3
IC2
UPD16875
1
2
3
4
5
6
7
8
CTL2
FLG2
FLG1
CTL1
OUT1
GND
IN
OUT2
FB5
BLM21P221SG
D5
DAN217
1
3
2
IC4
PST598I
1
2
3
4
5
M/R
SUB
GND
VOUT
VCC
BR1
15K*4
1
8
2
7
3
6
4
5
D6
DAN217
1
3
2
C
7
15p
D3
DAN217U
1
3
2
C8
15p
D2
DAN217U
1
3
2
PC1
0.1u
D4
DAN217U
1
3
2
C204
33u/10V
IC3
UPD72012
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
31
32
33
34
35
36
37
38
39
40
41
42
43
44
DGND
DGND
D40
D41
D50
D51
DGND OSL
AVDD1
X2
X1
AGND1
AGND2
AVDD2
DVDD
DVDD
DGND
PSSEL
PVSEL
DGND
XRST
UDO
UD1
D10
D11
DGND
D20
D21
D30
D31
DGND
XCS1
XCS2
XCS3
XCS4
XCS5
CLKSEL
DVDD
DVDD
XPP1
XPP2
XPP3
XPP4
XPP5
BR4
100K*2
1
4
2
3
IC1
X62FP3302
2
1
3
IN
GNDOUT
L2
PLP3216S551SL2
1
2
3
4
B
R
3
15*4
1
8
2
7
3
6
4
5
Q1
2SA1610
C6
NU(0.1u)
Q2
DTC143EE
2
3
1
C5
NU(0.1u)
C201
100u/10V
C200
100u/10V
R13
470
CN1
USB-B
1
2
3
4
VCC
DATA-
DATA+
GND
PC2
0.1u
PC3
0.1u
C202
33uF/10V
X1
4MHz
1
2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A