15
6-6. AT89C2051
6-7. CH7001A
1
2
3
4
5
6
7
8
9
10
RST
(RXD) P3.0
(TXD) P3.1
XTAL2
XTAL1
(INTO) P3.2
(INT1) P3.3
(TO) P3.4
(T1) P3.5
GND
VCC
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1 (AIN1)
P1.0 (AIN0)
P3.7
20
19
18
17
16
15
14
13
12
11
ST
RO
B
E
AG
ND
R
AVDD
G
AG
ND
B
AVDD
AG
ND
VREF
1
AG
ND
6
5
4
3
2
1
44
43
42
41
40
VDD
RSET
GN
D
Y
CVBS
C
GN
D
VDD
UP
DO
W
N
LE
F
T
18
19
20
21
22
23
24
25
26
27
28
CLKEN*
C LKOU T
D VDD
D GND
MS0
MS1
D VDD
D GND
XI
XO /FIN
PD1
VREF2
AVDD
PD0
TEST*
H
V
UN DER SC AN
DVD D
DGN D
NTSC /PAL*
RIGHT
39
38
37
36
35
34
33
32
31
30
29
7
8
9
10
11
12
13
14
15
16
17
CHRO NTEL
CH7001A
Содержание DSN-300A
Страница 1: ...Service Manual INTERNET SETTOP BOX CHASSIS CM 300 Model DSN 300A DSN 300B S DAEWOO ELECTRONICS CO LTD...
Страница 5: ...4 3 BLOCK DIAGRAM...
Страница 37: ...36 10 EXPLODED VIEW 10 1 DSN 300A...
Страница 39: ...38 10 2 MODEL DSN 300S...
Страница 42: ...41 11 SCHEMATIC DIAGRAM...
Страница 43: ...42...
Страница 44: ...43...
Страница 45: ...44...
Страница 46: ...45...
Страница 48: ......