參數(shù)資料
型號(hào): SP505EK
英文描述: Multi-Protocol Serial Transceivers
中文描述: 多協(xié)議串行收發(fā)器
文件頁(yè)數(shù): 24/35頁(yè)
文件大小: 495K
代理商: SP505EK
24
Rev: A Date: 1/27/04
SP505 Multi–Mode Serial Transceiver
Copyright 2004 Sipex Corporation
Figure 52. SP505 Typical Operating Circuit
RD(a) 70
RxD 1
RD(b) 71
RT(a) 37
RxC 20
RT(b) 38
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM (b) 69
RR(a) 35
DCD 19
RR(b) 36
IC(a) 39
RI 21
IC(b) 40
SCT(a) 76
SCT 79
SCTEN 7
SCT(b) 77
14 TxD
61 SD(a)
59 SD(b)
2 SDEN
13 DTR
58 TR(a)
56 TR(b)
3 TREN
16 RTS
22 ST
42 ST(a)
44 ST(b)
23 STEN
15 TxC
63 TT(a)
65 TT(b)
6 TTEN
54 RS(a)
52 RS(b)
4 RSEN
17 RL
47 RL(a)
45 RL(b)
18 RLEN
24 LL
51 LL(a)
49 LL(b)
5 LLEN
22
μ
F
22
μ
F
1N5819
VCC
VDD
Charge Pump
C1-
C2-
VSS
C1+
C2+
22
μ
F
+5V
10
μ
F
27
25
26
31
28
30
22
μ
F
32
9
10
11
12
M
X
0
1
0
0
RS-422 Mode
Input Word
A
B
A — Receiver Tri-State circuitry,
V.11, & V.35 termination
resistor circuitry (RxD,
RxC & SCT).
B — Driver Tri-State circuitry &
V.35 termination circuitry
(TxD, TxC & ST).
SP505
(SEE PINOUT ASSIGNMENTS FOR GROUND PINS)
8
D
LATCH
(SEE PINOUT FOR V
CC
PINS)
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