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| Datasheet File OCR Text: |
| 48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
nc
gnd
v dd
nc
nc
nc
nc
nc 32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17 49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64 4
5
6
7
8
16
17
18
19
20
21
22
23
32
33
34
35
36
37
38
39
59
60
61
62
40
42
57
58 sync
rev
dclk
data
dcck
da0
da1
da2
da3
da4
da5
da6
da7
b0
b1
b2
b3
b4
b5
b6
b7
a0
a1
a2
a3
g0
g1
wr
rd
48
49
50
51
52
53
54
55
24
25
26
27
28
29
30
31
1
63
64
d0
d1
d2
d3
d4
d5
d6
d7
c0
c1
c2
c3
c4
c5
c6
c7
intx
bgok
eql input
a0 - a3
b0 - b7
cs
da0 - da7
data
dcck
dclk
g0, g1
rst
rd
sync
rev
test
wr
output
bgok
c0 - c7
eql
intx
input/output
d0 - d7
; address bus
; adding data
; chip select
; adding or through data
; demodulated serial data
; ltc decode clock
; demodulated clock
; gate
; system reset
; read
; sync word data
; rev/fwd bit
; test
; write
; binary group coincidence
; added data
; user-bit mark coincidence
; user-bit mark
; data bus
nc
nc
nc
nc
gnd 3 rst 56 cs 43 test CXD8990R ( 1/2 )
il08d c-mos user-bit marker detector
?op view
pin no. i/o 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 o ? i i i i i i ? ? ? ? ? ? ? i signal intx nc rst sync rev dclk data dcck gnd v dd nc nc nc nc nc da0 pin no. i/o 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 i i i i i i i o o o o o o o o i signal da1 da2 da3 da4 da5 da6 da7 c0 c1 c2 c3 c4 c5 c6 c7 b0 pin no. i/o 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 i i i i i i i i ? i i ? ? ? ? i/o signal b1 b2 b3 b4 b5 b6 b7 g0 gnd g1 test nc nc nc nc d0 pin no. i/o 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 i/o i/o i/o i/o i/o i/o i/o i i i i i i i o o signal d1 d2 d3 d4 d5 d6 d7 cs wr rd a0 a1 a2 a3 bgok eql CXD8990R ( 2/2 ) decoder ( s/p ) data ram memory inc/dec checker sum checker comparator 7 57 58 56 data address adder 16 - 23 32 - 39 da0 - da7 b0 - b7 wr rd cs 4 5 6 8 sync rev dclk dcck 1 63 64 48 - 55 d0 - d7 59 - 62 a0 - a3 24 - 31 c0 - c7 intx bgok eql 40 42 g0 g1 setting value total checker buffer rst test 3 43 |
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