AOC P/N : 41A50-144 - Manual (Page 79)

2
C305
100uF
RXD
R328
10 K
RST
R402
1K(OP)
U300
24LC04B
5
6
7
8
1
2
3
4
SI
SCK
WP
VCC
A0
A1
A2
VSS
GND
+5V
GND
GND
C304
0.1 uF
CP301
1000 pF
1
5 6 8
4 3 2
7
GND
R340
0
GND
HDATA0
KEY4(ENTER)
KEY7(POWER)
KEY2(GREEN?)
C306
33 pF
R431
10 K(OP)
KEY6(LEFT)
+12V
+A5V
R300
10 K
JP303
1
2
3
+A5V
R329
10 K
MFB8
WP
C303
33 pF
+5V
SDA
MFB9
C313
22 uF
TXD
CP302
1000 pF
1
5 6 8
4 3 2
7
KEY
SCL
KEY3(AUTO)
C944
0.1 uF
RST1
GND
MFB7
GND
GND
wp
RST
R319
1
2
1
2
R321
0 (OP)
GND
KEY1(ORANGE?)
/BKLT-ON
C300
0.1 uF
C401
100uF(OP)
BKLT-PWM +5V
+5V
VR501
10 K
IRQ
HFS
GND
U302 8XC51/PLCC
35
2
3
4
5
6
7
8
9
44
22
24
25
26
27
28
29
30
31
32
33
36
37
38
39
40
41
42
43
1 12 23 34
20
21
10
11
13
14
15
16
17
18
19
EA/VP
T2/P1.0
T2EX/P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
VCC
GND
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE/PROG
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
NC NC NC NC
XTAL2
XTAL1
RST
RXD/P3.0
TXD/P3.1
INT0/P3.2
INT1/P3.3
TO/P3.4
T1/P3.5
WR/P3.6
RD/P3.7
+5V
R403
4.7K(OP)
R301
10 K
K/E Select
GND
R303
10 K(OP)
SDA
KEY5(RIGHT)
Q304 MMBT3904
R341
TEST(OP)
R313
10 K
/VGA_CON
CN302
HEADER 9
1
2
3
4
5
6
7
8
9
R315
10 K
X300
20MHz
CN303
HEADER 5
1
2
3
4
5
C403
100uF
R401
0(OP)
R323
0 (OP)
MFB2
+5V
BKLT-PWM
(Panel-Select)*
D301
1N4148
/BKLT-ON
GND
R311
10 K
715A820-1 B
MICRO CONTROLLER
AOC (Top Victory) Electronics Co., Ltd.
B
3 6 Tuesday, July 10, 2001
Title
Size Document Number Rev
Date: Sheet of
R325
0 (OP)
SCL
HCLK
MCU Block