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XRT4500CV Datasheet(PDF) 86 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) 86 Page - Exar Corporation

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XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
83
SCENARIO 9 & 10
COMMENTS: 2 CLOCK MODE OPERATION WITHIN THE ‘DCE MODE’. THIS FEATURE IS USEFUL FOR APPLICATIONS
THAT INTERFACE TO A DEVICE WHICH DOES NOT SUPPLY ‘SCTE’ CLOCK SIGNAL
INPUT PIN SETTINGS
NOTE: 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.
DTE (#9)
DCE (#10)
PIN
#
NAME
STATE
DESCRIPTION
PIN
#
NAME
STATE
DESCRIPTION
31
DCE/DTE
0
DTE
31
DCE/DTE
1
DCE
34
EC
1
No Echo
34
EC
1
No Echo
50
2CK/3CK
X
Don’t Care
50
2CK/3CK
12 clock
18
LP
1
No Loopback
18
LP
1
No Loopback
54
CKINV
1
No 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
DCE (#10)
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
72
76
70
71
64
65
63
62
1
74
68
67
60
63
62
64
65
70
71
77
76
78
79
TXD
TXC
RXC
RXD
HDLC (R)
DTE (#9)



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