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Mod. MAIN.RX
1.0
MICROCONTROLLER
B
13
14
Tuesday, January 12, 2021
Title
Size
Document Number
Rev
Date:
Sheet
of
PLL_DTA
CH0
PLL_EN
RW
ADC_EN
SETTING
TXD
RXD
SELECT
TXD
RS
SELECT
RXD
PLL_LOCK
PLL_CLK
SETUP
EN
CH1
PLL_EN
MUTE ON/OFF
PLL_LOCK
SCLK
ADC_EN
SETUP
SDTA
CH2
PROG.
MUTE ON/OFF
LAMP
LAMP
SELECT
SETTING
SETTING
CH3
SCLK
PLL_CLK
PLL_DTA
SDTA
D
6
D[0:7]
D
0
D0
D
4
D
1
D
3
D
5
D3
D
1
D
6
D1
D6
D2
D
2
D
2
D7
D4
D
7
D5
D
0
D
3
D
5
D
4
D
7
R
S
R
W
E
N
+5V
+5V
+5V
+5V
+5V
+5V
+5V
L5
22uH
L6
22uH
C144
39pF
+
C135
22MF / 16V
U13 T89C51RD2
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
24
25
26
27
28
29
30
31
32
33
36
37
38
39
40
41
42
43
35
22
23
1
12
34
44
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
RxD
TxD
INT0
INT1
T0
T1
WR
RT
XTAL2
XTAL1
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
PSEN
ALE
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
EA
GND
C
A
B
D
VCC
J16
DJ2
Q1
BC807-25L
U10
ADC0834CCWM
3
4
5
6
1
9
8
7
11
2
12
13
10
14
CH0
CH1
CH2
CH3
Vref OUT
Vref IN
AGND
DGND
SARS
CS
CLK
DI
DO
VCC
U12
HIN232ACBN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C1+
V+
C1-
C2+
C2-
V-
T2 OUT
R2 IN
VCC
GND
T1 OUT
R1 IN
R1 OUT
T1 IN
T2 IN
R2 OUT
C133
33pF
C134
33pF
C137
100nF
R
1
6
3
N
C
Y1
11.0592MHz
+
C146
1MF / 50V
R
1
6
5
1
0
K
R
1
6
2
N
C
LCD1
DISPLAY V20350
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
G
N
D
V
C
C
V
0
R
S
R
W
E
N
D
B
0
D
B
1
D
B
2
D
B
3
D
B
4
D
B
5
D
B
6
D
B
7
L
E
D
-
L
E
D
+
+
C131
10MF / 35V
C132
100nF
C140
100nF
J17
DJ2
R168
1K2
R159
10K
R161
10K
R167
10K
+
C
1
3
6
1
0
0
M
F
/
2
5
V
C138
100nF
R158
10K
R160
10K
R
1
6
4
N
C
+
C145
1MF / 50V
+
C141
1MF / 50V
+
C142
1MF / 50V
R
1
7
5
6
K
8
R
1
6
9
6
K
8
R
1
7
2
6
K
8
R
1
7
3
6
K
8
+
C139
1MF / 50V
R
1
7
0
6
K
8
R
1
7
1
6
K
8
R
1
6
6
1
K
5
R
1
5
7
1
K
U11
MAX810L
1
2
3
GND
RST
VCC
R
1
7
4
6
K
8
C148
39pF
C147
39pF
R
1
4
9
1
0
K
R
1
5
0
1
0
K
R
1
5
1
1
0
K
R
1
5
2
1
0
K
C143
39pF
R
1
5
3
1
0
K
R
1
5
4
1
0
K
R
1
5
5
1
0
K
R
1
5
6
1
0
K
VU Meter
PLL ENABLE
RX RS232
TX RS232
PLL LOCK
SETTING
PLL DATA
ENABLE
GND DATA
PLL CLOCK
Auxiliary
SELECT
Signal
+5V
Temperature
GND