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IC1300 OZ529IGN-A1-TR
BST 1
S
HDR
Q
R
LX 2
OVER CURRENT
PROTECTION
VIN 3
EN_SYS 4
USBOUT 5
FB_USB 6
VS
SEL
USBIN
7
VOUT_SYS (USBIN)
FAULT PROTECTION
SYNC 8
– KEY Board –
IC901 LC75839PW-US-H
64
63
62
61
CCB INTERFACE
SHIFT REGISTER
1
CONTROL
P1/S1
REGISTER
2
P2/S2
3
P3/S3
4
P4/S4
5
S5
S6
6
7
S7
8
S8
9
S9
10
S10
S11
11
12
S12
13
S13
14
S14
15
S15
16
S16
17 18 19 20
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
OSCILLATOR
REFERENCE
GENERATOR
+
ADJUSTMENT
GENERATOR
CHARGE
PUMP
OVER-CURRENT
LIMIT
2V
+
UVLS
–
USB FAULT
PROTECITON
60
59
58
57
56
55
CLOCK
GENERATOR
SEGMENT DRIVER & LATCH
21 22
23 24
25 26
27 28 29 30 31
16
VREF
15
RT
14
GNDA
13
SS_SYS
12
EN_USB
11
VIC_USB
10
ISET_USB
9
FLT_USB
54 53
52 51
50 49
COMMON
DRIVER
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
39
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