參數(shù)資料
型號： ORT8850H
英文描述： Field-Programmable System Chip (FPSC) Eight-Channel x 850 Mbits/s Backplane Transceiver
中文描述： 現(xiàn)場可編程系統(tǒng)芯片（促進(jìn)文化基金）8通道x 850 Mbits /秒背板收發(fā)器
文件頁數(shù)： 28/112頁
文件大?。?/td> 2417K
代理商： ORT8850H
28
Agere Systems Inc.
Data Sheet
August 2001
Eight-Channel x 850 Mbits/s Backplane Transceiver
ORCA
ORT8850 FPSC
Backplane Transceiver Core Detailed
Description
(continued)
5-8577 (F)
Figure 8. Interconnect of Streams for FIFO
Alignment
The incoming data from the HSI (also referred to as
CDRM850) can be separated into four STS-12 chan-
nels (A, B, C, and D) per slice. Thus, there are STS-12
channels AA to AD from slice A of the STM and STS-
12 channels BA to BD of slice B. These streams can be
frame-aligned in the following patterns: in STS-48
mode, all four STS-12s of each STM slice are aligned
with each other (i.e., AA, AB, AC, AD). Optionally, in
STS-48 mode, all eight STS-12s (STMs A and B) can
be aligned (to allow hitless switching at the STS-48
level). Multiple devices can be aligned to enable STS-
192 or higher modes. Streams can also be aligned on a
twin STS-12 basis. There is also a provision to allow
certain streams to be disabled (i.e., not producing inter-
rupts or affecting synchronization). These streams can
be enabled at a later time without disrupting other
streams. If the selected stream needs to be a part of a
bigger group (i.e., STM A), then either the entire group
must be resynched or the affected stream must have
been in the correct mode (i.e., align all STM A) when
the initial synchronization was performed. As long as
all four streams in STM A are in the correct mode when
synchronization takes place, then those streams may
be enabled or disabled without affecting synchroniza-
tion.
These streams can be frame-aligned in the patterns
shown in Figure 10, Figure 9, and Figure 11.
0674
Figure 9. Example of Inter-STM Alignment
0673(F)
Figure 10. Example of Intra-STM Alignment
0675
Figure 11. Example of Twin STS-12 Stream
Alignment
STS-12
STREAM AA
STS-12
STREAM AB
STS-12
STREAM AC
STS-12
STREAM AD
STS-12
STREAM BA
STS-12
STREAM BB
STS-12
STREAM BC
FIFO
SYNC
STS-12
STREAM BD
STM SLICE A
STM SLICE B
STM A Stream A
STM A Stream B
STM A Stream C
STM A Stream D
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
ALL 8 ALIGNMENT OF STM A AND STM B
STM A Stream A
STM A Stream B
STM A Stream C
STM A Stream D
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
t
0
STM A Stream A
STM A Stream B
STM A Stream C
STM A Stream D
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
ALL 4 ALIGNMENT OF STM A AND STM B
STM A Stream A
STM A Stream B
STM A Stream C
STM A Stream D
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
t
0
t
1
STM A Stream A
STM A Stream B
STM A Stream C
STM A Stream D
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
TWINS ALIGNMENT OF STREAMS A AND C
t
0
STM A Stream A
STM B Stream A
STM B Stream B
STM B Stream C
STM B Stream D
t
1
STM A Stream B
STM A Stream D
STM A Stream C
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ORT8850H-1BMN680C 功能描述:FPGA - 現(xiàn)場可編程門陣列 16192 LUT 297 I/O RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
ORT8850H-1BMN680I 功能描述:FPGA - 現(xiàn)場可編程門陣列 16192 LUT 297 I/O RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
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