LG LX-U250A, Service Manual

Page: 33 / 55

- 2-26 -
PIN CONFIGUARTION
ex_romdata [5 ]
ex_romdata [6 ]
GPIOA [7 ]
GPIOA [6 ]
gnd
vdd
LED1_out
GPIOA [5 ]
GPIOA [4 ]
ex_romaddr [12 ]
ex_romaddr [11 ]
ex_romaddr [10 ]
ex_romaddr [9 ]
gnd
vdd
ex_romaddr [8 ]
e
x_romaddr [4 ]
e
x_romaddr [5 ]
e
x_romaddr [6 ]
vdd gnd e
x_romaddr [7 ]
GPIO
A [0 ]
GPIO
A [1 ]
vdd gnd GPIO
A [2 ]
GPIO
A [3 ]
GPIOB [4 ] GPIOB [6 ] e
x_romdata [2 ]
e
x_romdata [3 ]
txd1
e
x_romdata [7 ]
e
x_romdata [6 ]
SIC
REQ
SID vdd
DPLS_IO
DMNS_IO
gnd
GPIOB [1 ]
host_de
v_sel
gnd
e
x_romaddr [15 ]
e
x_romaddr [14 ]
e
x_romaddr [13 ]
ex_romaddr [0 ]
ex_romaddr [1 ]
gnd
sda
scl
vdd
xtal2
xtal1
gnd
reset_b
mode0
ex_romdata [0 ]
ex_romdata [1 ]
ex_romaddr [2 ]
ex_romaddr [3 ]
rxdi1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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33
34
35
36
37
38
39
40
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42
43
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48
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