Bu2090; Pin Configuration - LG FB162-A0U Service Manual

5. BU2090

• PIN CONFIGURATION

BU2090 / F / FS
V 1
Control circuit
SS
DATA 2
12-bit shift register
CLOCK
3
Q0 4
Output buffer
(open drain)
Q1 5
Q2 6
Q3
7
Q4
8
• PIN DESCRIPTION
TYPE
BU2090/F/FS BU2092/F
1 1
2 2
3 3
— 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
— —
— —
11 12
12 13
13 14
14 15
15 16
— 17
16 18
LGE Internal Use Only
BU2092 / F
16 V
DD
Q11
15
Q10
14
Latch
13 Q9
12 Q8
11 Q7
Q6
10
9 Q5
BU2092FV
PIN NAME
BU2092/FV
1 DATA
2 CLOCK
3 LCK
4 Q0
5 Q1
6 Q2
7 Q3
8 Q4
9 Q5
10 Q6
11 N.C.
12 N.C.
13 Q7
14 Q8
15 Q9
16 Q10
17 Q11
18 OE
19 VSS
20 VDD
V 1
SS Control circuit
DATA 2
12-bit shift register
CLOCK
3
12-bit storage register
1
LCK 4
Q0 5
Output buffer
(open drain)
Q1
6
Q2
7
Q3 8
Q4 9
V 1
SS Control circuit
DATA
2
12-bit shift register
CLOCK 3
12-bit storage register
LCK 4
Q0
5
Output buffer (open drain)
Q1 6
Q2
7
Q3 8
Q4
9
Q5 10
GND
Serial data input
Data shift clock input
Data latch clock input
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Not connected
Not connected
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Parallel data output
Output Enable
Power supply
3-8 Copyright © 2007 LG Electronics. Inc. All right reserved.
18 V
DD
OE
17
Q11
16
15 Q10
14 Q9
Q8
13
12 Q7
11 Q6
Q5
10
20 V
DD
OE
19
18 Q11
17 Q10
16 Q9
15 Q8
14 Q7
13 N.C.
12 N.C.
11 Q6
FUNCTION
Only for training and service purposes