參數(shù)資料
型號: DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 64/107頁
文件大?。?/td> 592K
代理商: DS3160
DS3160
64 of 107
Bit 8/Repetitive Pattern Length Bit 0 (RPL0), Bit 9/Repetitive Pattern Length Bit 1 (RPL1),
Bit 10/Repetitive Pattern Length Bit 2 (RPL2), Bit 11/Repetitive Pattern Length Bit 3 (RPL3).
RPL0
is the LSB and RPL3 is the MSB of a nibble that
describes the length of the repetitive pattern. The
valid
range is 17 (0000) to 32 (1111). These bits are
ignored if the receive BERT is programmed for a
pseudorandom pattern. To create repetitive patterns less than 17 bits in length, the user must set the length
to an integer number of the desired length that is less than or equal to 32. For example, to create a 6-bit
pattern, the user can set the length to 18 (0001) or to 24 (0111) or to 30 (1101).
Repetitive Pattern Length Map
LENGTH
(bits)
17
21
25
29
CODE
LENGTH
(bits)
18
22
26
30
CODE
LENGTH
(bits)
19
23
27
31
CODE
LENGTH
(bits)
20
24
28
32
CODE
0000
0100
1000
1100
0001
0101
1001
1101
0010
0110
1010
1101
0011
0111
1011
1111
Bit 13/Interrupt Enable for Counter Overflow (IEOF).
Allows the receive BERT to cause an interrupt
if either the bit counter or the error counter overflows (Figure 6.2A).
0 = interrupt masked
1 = interrupt enabled
Bit 14/Interrupt Enable for Bit Error Detected (IEBED).
Allows the receive BERT to cause an
interrupt if a bit error is detected (Figure 6.2A).
0 = interrupt masked
1 = interrupt enabled
Bit 15/Interrupt Enable for Change-of-Synchronization Status (IESYNC).
Allows the receive BERT
to cause an interrupt if there is a change of state in the synchronization status (i.e., the receive BERT
either goes into or out of synchronization) (Figure 6.2A).
0 = interrupt masked
1 = interrupt enabled
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