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XRT4500CV Datasheet(PDF) 79 Page - Exar Corporation

Part # XRT4500CV
Description  MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
PDF  99 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT4500CV Datasheet(HTML) 79 Page - Exar Corporation

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XRT4500
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MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
76
SCENARIOS 1 & 2 NORMAL: ‘3-CLOCK’ DCE/DTE INTERFACE OPERATION
INPUT PIN SETTINGS
NOTE:
1. When M0=1, M2=1, M2=0 the XRT4500 is in the 1 clock (X.21) mode and the 2CK/3CK input pin is ignored.
2. (See Table 8. MUX Connection Table)
DTE (#1)
DCE (#2)
PIN
#
NAME
STATE
DESCRIPTION
PIN
#
NAME
STATE
DESCRIPTION
31
DCE/DTE
0
DTE
31
DCE/DTE
1DCE
34
EC
1
No Echo
34
EC
1
No Echo
50
2CK/3CK
0
3 clock
50
2CK/3CK
03 clock
18
LP
1
No Loopback
18
LP
1
No Loopback
54
CKINV
1No Invert
54
CKINV
1No Invert
55
DTINV
1
No Invert
55
DTINV
1No Invert
53
OSCEN
1
No Internal OSC
53
OSCEN
1
No Internal OSC
HDLC (R)
HDLC (L)
XRT4500
XRT4500
RX1
TX1
RX2
TX2
RX3
TX3
RX2
TX2
RX1
TX1
TXD
SCTE
TXC
RXC
RXD
TXD
SCTE
TXC
RXC
RXD
60
67
73
74
1
78
79
77
76
70
71
64
65
63
62
1
74
68
67
60
63
62
64
65
70
71
77
76
78
79
TXD
SCTE
TXC
RXC
RXD
DTE (#1)
DCE (#2)



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