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XRT8001IP Datasheet(PDF) 17 Page - Exar Corporation

Part # XRT8001IP
Description  WAN Clock for T1 and E1 Systems
PDF  48 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT8001IP Datasheet(HTML) 17 Page - Exar Corporation

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XRT8001
17
Rev. 1.01
D[4:1]
Mode
Input Frequency (at
the FIN input)
CLK1 Output
Signal
CLK2 Output
Signal
0000
Forward/Master
N x 1.544MHz
K x 56kHz
K x 56kHz
0001
Forward/Master
N x 1.544MHz
K x 56kHz
K x 64kHz
0010
Forward/Master
N x 1.544MHz
K x 64kHz
K x 64kHz
0011
Reverse/Master
56kHz
1.544MHz
2.048MHz
0100
Forward/Master
N x 2.048MHz
K x 56kHz
K x 56kHz
0101
Forward/Master
N x 2.048MHz
K x 56kHz
K x 64kHz
0110
Forward/Master
N x 2.048MHz
K x 64kHz
K x 64kHz
0111
Reverse/Master
64kHz
1.544MHz
2.048MHz
1000
E1 to T1 – Forward/Master
Q x 2.048MHz
1.544MHz
1.544MHz
1001
Fract. T1/E1 Reverse/Master
P x 56kHz
1.544MHz
2.048MHz
1010
Fract. T1/E1 Reverse/Master
P x 56kHz
1.544MHz
1.544MHz
1011
Fract. T1/E1 Reverse/Master
P x 64kHz
2.048MHz
1.544MHz
1100
Fract. T1/E1 Reverse/Master
P x 64kHz
2.048MHz
2.048MHz
1101
High Speed - Reverse
64 kHz
M x 2.048MHz
M x 2.048MHz
1110
Reserved
Reserved
Reserved
Reserved
1111
Reserved
Reserved
Reserved
Reserved
Table 1. Relationship between the value of “D4 – D1 (within Command Register CR0)
and the Operating Modes of the XRT8001 WAN Clock - Master Modes
D[4:1]
Mode
Input Frequency (at
the FIN input)
CLK1 Output
Signal
CLK2 Output
Signal
0000
Forward/Slave
8kHz
K x 56kHz
K x 56kHz
0001
Forward/Slave
8kHz
K x 56kHz
K x 64kHz
0010
Forward/Slave
8kHz
K x 64kHz
K x 64kHz
0011
Reverse/Slave
8kHz
1.544MHz
2.048MHz
0100
Forward/Slave
8kHz
K x 56kHz
K x 56kHz
0101
Forward/Slave
8kHz
K x 56kHz
K x 64kHz
0110
Forward/Slave
8kHz
K x 64kHz
K x 64kHz
0111
Reverse/Slave
8kHz
1.544MHz
2.048MHz
1000
Reverse/Slave
8kHz
K x 56KHz
K x 64KHz
1001
Reverse/Slave
8kHz
1.544MHz
2.048MHz
1010
Reverse/Slave
8kHz
1.544MHz
1.554MHz
1011
Reverse/Slave
8kHz
2.048MHz
1.544MHz
1100
Reverse/Slave
8kHz
2.048MHz
2.048MHz
1101
High Speed – Reverse
64kHz
M x 2.048MHz
M x 2.048MHz
1110
Reserved
Reserved
Reserved
Reserved
1111
Reserved
Reserved
Reserved
Reserved
Table 2. Relationship between the value of “D4 – D1" (within Command Register CR0) and
the Operating Modes of the XRT8001 WAN Clock – Slave Modes



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