CH224ATF(1999) Просмотр технического описания (PDF) - Cermetek Microelectronics
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CH224ATF Datasheet PDF : 14 Pages
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PRELIMINARY
CH224ATF
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Table 7. CH224ATF Serial TTL Signals
Signal
I/O Type
Pin
Signal
TIP
IF
33
NC
I/O Type
-
RING
IF
34
~RXDTTL
OA
NO PIN
-
35
~TXDTTL
IA
NO PIN
-
36
~RITTL
OA
NO PIN
-
37
~DSRTTL
OA
NO PIN
-
38
~CTSTTL
OA
NO PIN
-
39
~DCDTTL
OA
NO PIN
-
40
~DTRTTL
IA
NO PIN
-
41
DGROUND
GND
NO PIN
-
42
NO PIN
-
NO PIN
-
43
NO PIN
-
NO PIN
-
44
NO PIN
-
NO PIN
-
45
NO PIN
-
NO PIN
-
46
NO PIN
-
NO PIN
-
47
NO PIN
-
NO PIN
-
48
NO PIN
-
NO PIN
-
49
NO PIN
-
NO PIN
-
50
NO PIN
-
NO PIN
-
51
NO PIN
-
NO PIN
-
52
NO PIN
-
NO PIN
-
53
NO PIN
-
NO PIN
-
54
NO PIN*
-
NO PIN
-
55
NO PIN*
-
~RESET
IC
56
NO PIN*
-
N0 PIN
-
57
NO PIN*
-
DGROUND
GND
58
NO PIN*
-
NC
-
59
NO PIN*
-
NO PIN*
-
60
NO PIN*
-
DCDIND
OG
61
VCC
PWR
RXDIND
OG
62
NC
-
~DTRIND
OG
63
AGROUND
GND
TXIND
OG
64
SPKR
O(DF)
* It is suggested that a hole be placed in the host board for upgrade purposes.
©1999 Cermetek Microelectronics, Inc.
7
Document No. 607-0005 Rev.A (11/99)
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