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DS2155 Datasheet(PDF) 182 Page - Dallas Semiconductor

Part # DS2155
Description  T1/E1/J1 Single-Chip Transceiver
PDF  238 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2155 Datasheet(HTML) 182 Page - Dallas Semiconductor

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27.1 Number-of-Errors Registers
The number-of-error registers determine how many errors are generated. Up to 1023 errors can be
generated. The host loads the number of errors to be generated into the NOE1 and NOE2 registers. The
host can also update the number of errors to be created by first loading the prescribed value into the NOE
registers and then toggling the WNOE bit in the error-rate control registers.
Table 27-B. Error Insertion Examples
VALUE
WRITE
READ
000h
Do not create any errors
No errors left to be inserted
001h
Create a single error
One error left to be inserted
002h
Create two errors
Two errors left to be inserted
3FFh
Create 1023 errors
1023 errors left to be inserted
Register Name:
NOE1
Register Description:
Number-of-Errors 1
Register Address:
ECh
Bit #
7
6
5
4
3
2
1
0
Name
C7
C6
C5
C4
C3
C2
C1
C0
Default
0
0
0
0
0
0
0
0
Bits 0 to 7/Number-of-Errors Counter Bits 0 to 7 (C0 to C7). Bit C0 is the LSB of the 10-bit counter.
Register Name:
NOE2
Register Description:
Number-of-Errors 2
Register Address:
EDh
Bit #
7
6
5
4
3
2
1
0
Name
—
—
—
—
—
—
C9
C8
Default
0
0
0
0
0
0
0
0
Bits 0, 1/Number-of-Errors Counter Bits 8 to 9 (C8 to C9). Bit C9 is the MSB of the 10-bit counter.



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