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5-2
Figure 5–2. Schematic
1
2
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5
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7
8
9
10
11
12
13
14
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16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 3132
33
34
35
36
37
38
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48
64 63 62 61 60 59 58 47 56 55 54 53 52 51 5049
SUSP
TEST1
TEST0
RST
SCL
SDA
VCC
S3
S2
DP1
DGND
GND
OVCR1
PWR01
PWR02
OCYR2
DP2
PUR
DP0
DM0
GND
SELF/BUS
P2.0
P2.1
GND
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P1.0
P1.1
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
GND
P1.7
P1.6
VCC
VREN
VDDOUT
P1.5
P1.4
P1.3
P1.2
DM2
VCC
X1
X2
GND
P3.0/S0
P3.1/S1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P0.7
P0.6
R16 1.5 KΩ
1.8 V
DVCC_33
DGND
DVCC_33
J3
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DM1
R22
30
R25
1.5 KΩ
R26
30 Ω
Case
Case
Case
Case
R38
0 Ω
Power
V–
DP
DM
V+
DGND
J5
4
3
2
1
SUSP
R20 20 kΩ
R21 20 kΩ
33 SUSP
R24
10 Ω
S1
1 A
2 A
3 B
4 B
DGND
R35 0 Ω
R34 0 Ω
R33 0 Ω
R32 0 Ω
R31 0 Ω
R30 0 Ω
DGND
P3.0
P3.1
S2
S3
33 SUSP
R27
30.1 kΩ
R23
200 kΩ
DVCC_33
DGND
C11
R17
1 kΩ
R15
1 kΩ
DVCC_33
S2
S3
DVCC_33
DGND
GND
8
7
6
5
DGND
33 SUSP
EN1
8
7
6
5
GND
GND
GND
GND
1
2
3
4
DGND
EEPROM
V+
DM
DP
V–
+
C16
J7
1
2
3
4
FB3
DGND
C10
R14
R19
C9
R13
R18
FB4
22 pF
15 kΩ
30 Ω
22 pF
15 kΩ
30 Ω
Case
Case
V–
DP
DM
V+
+
C15
J6
4
3
2
1
FB2
C8
R11
C7
22 pF
15 kΩ
22 pF
R12
15 kΩ
30 Ω
R10 30 Ω
R9
DGND
FB1
XU1
1
2
3
4
OUT2
LDO_OUT
VIN
OUT1
EN2
OC
GND DGND
R36
0 Ω
R29
0 Ω
R37
0 Ω
100µF
C5
0.1 µF
C3
Power
DGND
2
GND
3
GND
4
5
NC
DVCC_33
U1
U2
C6
C4
4.7 µF
1.8 V
+
DGND
1.8 V
LDO
X1
12 MHz OSC
C1 C2
33 pF 33 pF
DGND
DVCC_33
DGND
P3.0
P3.1
R8
511Ω
R6
511Ω
R5
511Ω
R4
511Ω
D2 D3 D4 D5 D6 D7
R3
511 Ω
J1
P3.1
1
2
R7
511 Ω
J2
P3.0
1
2
R2
511Ω
R1
511Ω
D1
SUSP
33 SUSP
DVCC_33
Q1
C12
0.1 µ F
C13
C14
C17
C18
C19
C20
DVCC_33DGND
U4
TUSB2136PM
1
0.1 µ F
0.1 µ F
0.1 µ F
0.1 µ F
0.1 µ F
0.1 µ F0.1 µ F
0.1 µ F
0.1 µ F
0.1 µ F
100µF100µF