XRT4500 Datasheet, PDF (69/99 Pages) Exar Corporation – MULTIPROTOCOL SERIAL NETWORK INTERFACE IC

XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
áç
TABLE 8: MUX1 CONNECTION TABLE (CONTINUED)
LOGIC LEVEL APPLIED TO CONTROL INPUT
SCENARIO
NUMBER _DCE/
DTE
NAME/PIN NUMBER
EC 2CK/ LP CK DT EN_O
3CK
INV INV SC
31 ₃₄ 50 ₁₈ 54 55 53
RX1D
1
SIGNAL SOURCE FOR OUTPUT NAME/PIN NUMBER
TX1B-TX1A
62, 63
RX2D
74
TX2B-TX2A
65, 64
RX3D
73
TR3B-TR3A
71, 70
21
0
1
X
1
0
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
X
(RX2B-RX2A)*
X
22
1
1
X
1
0
1
1 RX1B-RX1A
TX1D
(TX2D)*
TX2D
X
X
23
0
1
X
0
0
1
1
TX1D
RX1B-RX1A
TX2D
X
(RX2B-RX2A)*
X
24
1
1
X
0
0
1
1
TX1D
NOTE 1
TX2D
TX2D
X
X
25
0
0
0
1
1
1
1 RX1B-RX1A
TX1D
RX2B-RX2A TR3B-TR3A TR3B-TR3A
X
26
1
0
0
1
1
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
TX3D
X
TX3D
27
0
0
0
0
1
1
1
TX1D
RX1B-RX1A TR3B-TR3A RX2B-RX2A TR3B-TR3A
X
28
1
0
0
0
1
1
1
TX1D
RX1B-RX1A
TX3D
RX2B-RX2A
X
TX3D
29
0
0
0
1
0
1
1 RX1B-RX1A
TX1D
RX2B-RX2A (TR3B-TR3A)* (TR3B-TR3A)*
X
30
1
0
0
1
0
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
TX3D
X
(TX3D)*
31
0
0
0
0
0
1
1
TX1D
RX1B-RX1A (TR3B-TR3A)* RX2B-RX2A (TR3B-TR3A)*
X
32
1
0
0
0
0
1
1
TX1D
RX1B-RX1A
TX3D
RX2B-RX2A
X
(TX3D)*
33
0
0
1
1
1
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
X
TR3B-TR3A
X
34
1
0
1
1
1
1
1 RX1B-RX1A
TX1D
TX3D
TX3D
X
TX3D
35
0
0
1
0
1
1
1
TX1D
RX1B-RX1A TR3B-TR3A
X
TR3B-TR3A
X
36
1
0
1
0
1
1
1
TX1D
RX1B-RX1A
TX3D
TX3D
X
TX3D
37
0
0
1
1
0
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
X
(TR3B-TR3A)*
X
38
1
0
1
1
0
1
1 RX1B-RX1A
TX1D
TX3D
TX3D
X
(TX3D)*
39
0
0
1
0
0
1
1
TX1D
RX1B-RX1A (TR3B-TR3A)*
X
(TR3B-TR3A)*
X
40
1
0
1
0
0
1
1
TX1D
RX1B-RX1A
TX3D
TX3D
X
(TX3D)*
41
0
0
X
1
1
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
X
RX2B-RX2A
X
42
1
0
X
1
1
1
1 RX1B-RX1A
TX1D
TX3D
TX3D
X
X
43
0
0
X
0
1
1
1
TX1D
RX1B-RX1A RX2B-RX2A
X
RX2B-RX2A
X
44
1
0
X
0
1
1
1
TX1D
RX1B-RX1A
TX3D
TX3D
X
X
45
0
0
X
1
0
1
1 RX1B-RX1A
TX1D
RX2B-RX2A
X
(RX2B-RX2A)*
X
46
1
0
X
1
0
1
1 RX1B-RX1A
TX1D
(TX3D)*
TX3D
X
X
47
0
0
X
0
0
1
1
TX1D
RX1B-RX1A RX2B-RX2A
X
RX2B-RX2A
X
48
1
0
X
0
0
1
1
TX1D
NOTE 1
TX3D
TX3D
X
X
X
X
X
X
X
0
1
INVERT
INVERT UNCHANGED UNCHANGED UNCHANGED UNCHANGED
0
1
X
0XX
0 UNCHANGED UNCHANGED UNCHANGED UNCHANGED 32-64 kHz UNCHANGED
0
0
X
0XX
0 UNCHANGED UNCHANGED 32-64 kHz UNCHANGED 32-64 kHz UNCHANGED
NOTES:
1. Table entries are inputs to MUX1. Column headings
are outputs.
2. Signal names ending with A or B are analog inputs
or outputs. Signal names ending with D are digital
66