參數(shù)資料
型號(hào): DS33ZH11
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: Ethernet Mapper
中文描述: DATACOM, NETWORK INTERFACE SUPPORT CIRCUIT, PBGA100
封裝: 10 X 10 MM, 1.41 MM HEIGHT, 0.80 MM PITCH, CSBGA-100
文件頁數(shù): 52/169頁
文件大?。?/td> 1049K
代理商: DS33ZH11
DS33Z11 Ethernet Mapper
Figure 8-10 Repetitive Pattern Synchronization State Diagram
52 of 169
Sync
Match
Verify
1 bit error
Pattern Matches
3 i ihueos
6o6 i ihros
8.15.3 Pattern Monitoring
Pattern monitoring monitors the incoming data stream for Out Of Synchronization (OOS) condition, bit errors, and
counts the incoming bits. An OOS condition is declared when the synchronization state machine is not in the
“Sync” state. An OOS condition is terminated when the synchronization state machine is in the “Sync” state.
Bit errors are determined by comparing the incoming data stream bit to the receive pattern generator output. If
they do not match, a bit error is declared, and the bit error and bit counts are incremented. If they match, only the
bit count is incremented. The bit count and bit error count are not incremented when an OOS condition exists.
8.15.4 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
+ x
y
+ 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. 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 is forced to one if the next 14 bits are all zeros. QRSS is
programmable (on or off). For PRBS and QRSS patterns, the feedback is forced to one if bits 1 through 31 are all
zeros. When a new pattern is loaded, the pattern generator is loaded with a pattern value before pattern
generation starts. The pattern value is programmable (0 – 2
n
- 1). When PRBS and QRSS patterns are generated
the seed value is all ones.
相關(guān)PDF資料
PDF描述
DS3803 1024K Flexible NV SRAM SIMM(1024K靈活的非易失性SRAM SIMM)
DS3903E-020 Triple 128-Position Nonvolatile Digital Potentiometer
DS3994 4-Channel Cold-Cathode Fluorescent Lamp Controller
DS4077 77.76MHz VCXO
DS4077L-0C0 77.76MHz VCXO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS33ZH11+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 10/100 ENETXPORT HMODE MAP IND RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS34 制造商:LUMILEDS 制造商全稱:LUMILEDS 功能描述:power light source Luxeon V Emitter
DS-3400D UK 制造商:TRUST 功能描述:DESKTOP WIRELESS OPTICAL TRUST
DS3404FP000 制造商:Thomas & Betts 功能描述:30A,PLG,3P4W,MG,404,3P480V
DS3404FP000/JG63 制造商:Thomas & Betts 功能描述:30A,CON,3P4W,MG,404,3P480V,JG63,SC