參數(shù)資料
型號(hào)： SP524CF
英文描述： Low-Cost Programmable Multi-Protocol Transceivers
中文描述： 低成本可編程多協(xié)議收發(fā)器
文件頁(yè)數(shù)： 18/23頁(yè)
文件大?。?/td> 200K
代理商： SP524CF
18
Rev. 7/10/03
SP522 Multi–Mode Serial Transceivers
Copyright 2003 Sipex Corporation
Figure 15. Adding extra channels using the SP522 and SP504
CIRCUIT
CIRCUIT NAME
CIRCUIT
CIRCUIT
MNEMONIC
DIRECTION
TYPE
SG
SC
RC
IS
IC
TR
DM
SD
RD
TT
ST
RT
RS
CS
RR
SQ
NS
SF
SR
SI
SSD
SRD
SRS
SCS
SRR
LL
RL
TM
SS
SB
SIGNAL GROUND
SEND COMMON
RECEIVE COMMON
TERMINAL IN SERVICE
INCOMING CALL
TERMINAL READY
DATA MODE
SEND DATA
RECEIVE DATA
TERMINAL TIMING
SEND TIMING
RECEIVE TIMING
REQUEST TO SEND
CLEAR TO SEND
RECEIVER READY
SIGNAL QUALITY
NEW SIGNAL
SELECT FREQUENCY
SIGNAL RATE SELECTOR
SIGNAL RATE INDICATOR
SECONDARY SEND DATA
SECONDARY RD
SECONDARY RS
SECONDARY CS
SECONDARY RR
LOCAL LOOPBACK
REMOTE LOOPBACK
TEST MODE
SELECT STANDBY
STANDBY INDICATOR
--------------
TO DCE
FROM DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
FROM DCE
TO DCE
FROM DCE
FROM DCE
FROM DCE
TO DCE
TO DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
FROM DCE
TO DCE
TO DCE
FROM DCE
TO DCE
FROM DCE
RS-449 Interchange Circuits Table
CONTROL
COMMON
DATA
TIMING
CONTROL
DATA
CONTROL
CONTROL
CONTROL
P
S
V
CC
V
DD
SP504CF
61
59
58
+5V
Drivers
TxD
14
56
54
DTR
13
52
63
RTS
16
65
42
TxC
15
44
47
ST
22
45
51
RL
17
49
70
LL
24
71
37
RxD
1
38
66
RxC
20
67
68
CTS
80
69
35
DSR
78
36
39
DCD
19
40
76
RI
21
77
SCT
79
Receivers
see pinout diagram for various ground pins
4
22
12
30
7
25
17
35
6
24
8
26
9
27
11
29
13
31
15
5
23
DB-37 Connector
10
14
32
V
SS
22
μ
F
22
μ
F
+
22
μ
F
+
22
μ
F
supply pins
27
26
30
C1-
28
31
1N5819
C2-
C1+
C2+
10
μ
F
12
11
10
9
TDEC0
TDEC1
TDEC2
TDEC3
RDEC0
RDEC1
RDEC2
RDEC3
2
3
4
5
+5V
13
V
CC
SP522
1
20
21
V
DD
22
10
μ
F
10
μ
F
11
15
10
9
18
24
1
0
0
1
Tied to
TDEC0
Tied to
TDEC1
DP1
DP0
+5V
10
μ
F
+
+
+
+
+
+
V
SS
7
8
14
R
RS-423 Outputs
RS-423 Inputs
–5V
6
4
5
3
LATCH_EN
2
LOOPBCK
GND
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