參數(shù)資料
型號: DS26324DK
廠商: Maxim Integrated Products
文件頁數(shù): 53/120頁
文件大?。?/td> 0K
描述: KIT DESIGN FOR G549DS26324
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
主要目的: 電信,線路接口單元(LIU)
已用 IC / 零件: G549DS26324
已供物品: 板,線纜,電源
DS26324 3.3V, 16-Channel, E1/T1/J1 Short-Haul Line Interface Unit
38 of 120
5.9.4
Transmit Pattern Generation
Pattern generation generates the outgoing test pattern, and passes it onto error insertion. The transmit pattern
generator is a 32-bit shift register that shifts data from the least significant bit (LSB) or bit 1 to the most significant
bit (MSB) or bit 32. The input to bit 1 is the feedback. For a PRBS pattern (generating polynomial x
n + xy + 1), the
feedback is an XOR of bit n and bit y. For a repetitive pattern (length n), the feedback is bit n. The values for n and
y are individually programmable (1 to 32). The output of the receive pattern generator is the feedback. If QRSS is
enabled, the feedback is an XOR of bits 17 and 20, and the output will be forced to one if the next 14 bits are all
zeros. QRSS is programmable (on or off). For PRBS and QRSS patterns, the feedback will be forced to one if bits
1 through 31 are all zeros. When a new pattern is loaded, the pattern generator is loaded with a seed/pattern value
before pattern generation starts. The seed/pattern value is programmable (0 – 2
n – 1).
5.9.4.1
Transmit Error Insertion
Error insertion inserts errors into the outgoing pattern data stream. Errors are inserted one at a time or at a rate of
one out of every 10
n bits. The value of n is programmable (1 to 7 or off). Single bit error insertion can be initiated
from the microprocessor interface, or by the manual error insertion input (TMEI). The method of single error
insertion is programmable (register or input). If pattern inversion is enabled, the data stream is inverted before the
overhead/stuff bits are inserted. Pattern inversion is programmable (on or off).
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DS26324G+ 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
DS26324GA2 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
DS26324GA2+ 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray
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