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8.26. System EEPROM
SB33B
R425
R503
4.7K
4.7K
RXD
TXD
PCRXD
PCTXD
TP72
NEW USB DOWNLOAD I/F
R512 0
I143
SDA0
1
B0
VCC
DTVU0TX
2
B2
A2
PCTXD
3
BN
A1
4
B3
AN
TXD
5
B1
A0
6
INH
A3
7
VEE
S0
8
GND
S1
CD4052
SOP16/SMD
ViewSonic Corporation
R482
(NC)R
P115
1
2
3
4
DLSW1
5
DLSW2
6
(NC)6x1 W/HOUSING
6P200VM
5VSB
16
DTVU0RX
15
RXD
14
PCRXD
13
R513
0
SCL0
12
11
DLSW1
10
DLSW2
9
R489
R490
47K
47K
88
N2752w-1M
Confidential - Do Not Copy
RESET# Circuit
SCL
SCL
7,10
SDA
SDA
7,10
PCTXD
PCTXD
19
PCRXD
PCRXD
19
DLSW1
DLSW1
19
DLSW2
DLSW2
19
TXD
TXD
3
RXD
RXD
3
URST_1
URST_1
3
GPIO4
GPIO4
3
DTVU0TX
DTVU0TX
11
DTVU0RX
DTVU0RX
11
SCL0
SCL0
11
SDA0
SDA0
11
SYSTEM EEPROM
SB33B
I144
C742
1
8
NC
VCC
0.1U
SYSROMWP
2
7
NC
WP
SCL
3
6
NC
SCL
SDA
4
5
GND
SDA
EEPROM 24C16
SOP8/SMD
SYSTEM EEPROM
SB33
R483
10K
C741
+
10U/50V
URST_1
Q123
R484
1
B
SOT
3
C
23
10K
2
E
D137
R485
MMBT3904
10K
C791
LL4148
0.1U
SB33B
R486
20K
L : Write Protect EEPROM
H : Normal Download
Q124
R487
10K
GPIO4
1
B
SOT
3
C
23
2
E
R488
(NC)10K
MMBT3904
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