參數(shù)資料
型號: DS3112
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PBGA256
封裝: 27 X 27 MM, PLASTIC, BGA-256
文件頁數(shù): 118/134頁
文件大小: 900K
代理商: DS3112
DS3112
84 of 134
Bit 5 / Receive Invert Data Enable (RINV).
0 = do not invert the incoming data stream
1 = invert the incoming data stream
Bit 6 / Transmit Invert Data Enable (TINV).
0 = do not invert the outgoing data stream
1 = invert the outgoing data stream
Bits 8 to 11 / Repetitive Pattern Length Bits 5 (RPL0 to RPL3).
RPL0 is the LSB and RPL3 is the MSB of a nibble that describes the how long the repetitive pattern is.
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
Code
Length Code
17 Bits
0000
18 Bits
0001
19 Bits
0010
20 Bits
0011
21 Bits
0100
22 Bits
0101
23 Bits
0110
24 Bits
0111
25 Bits
1000
26 Bits
1001
27 Bits
1010
28 Bits
1011
29 Bits
1100
30 Bits
1101
31 Bits
1101
32 Bits
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. See Figure 8.2A.
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. See Figure 8.2A.
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). See Figure 8.2A.
0 = interrupt masked
1 = interrupt enabled
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DS3131 SPECIALTY TELECOM CIRCUIT, PBGA256
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