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參數(shù)資料
| 型號(hào)： | HDMP-2689 |
| 英文描述： | Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes |
| 中文描述： | 四2.125/1.0625 GBd光纖通道通用的SerDes |
| 文件頁(yè)數(shù)： | 2/28頁(yè) |
| 文件大小： | 356K |
| 代理商： | HDMP-2689 |
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2
Figure 1. HDMP-2689 Typical Applications.
Fiber Optic Interface
(or Copper)
Fast Serial
Backplane
Fast Backplane
Interface
HFBR-5720L
HFBR-5720L
HFBR-5720L
HFBR-5720L
HDMP-2689
Serial Interface
Parallel Interface
Parallel Interface
MAC
HDMP-2689
Applications
Fibre Channel Arbitrated Loop
Fast Serial Backplanes
See Figure 1 for a diagram of
typical applications.
Functional Description
Transmitter Description
The HDMP-2689 transmitter
contains four independent
channels and a single TX PLL
which generates the serial rate
transmit clock for all of the
channels. The data is optionally
encoded in 8B/10B format and
serialized at 1.0625 GBd (half
rate) or 2.125 GBd (full rate). The
high-speed outputs can be
Figure 2. TX and RX Paths.
interfaced directly to copper
cables or PCB traces for electri-
cal transmission or to a separate
fiber optic module for optical
transmission. See Figure 2 for a
block diagram.
RXAN
RXAP
LOSA
PMX
RDA[9:0]
RCA
TXAN
TXAP
Receive Path
TDA[9:0]
TCA
MDIO
Transmit Path
PMX
TDI, TDO, TMS
TCLK, TRSTN
MDC
RFCP
RFCN
LOS
CDR
TX_FIFO
Loopback Data Path
SERIALIZER
Bit Rate
Clock
Amplitude
Pre-emphasis
Control
Clock
Generator
DECODE
8B/10B
ENCODE
8B/10B
DE-SERIALIZER
Loopback
Control
Input
Latch
Bit
Rate
Clock
Core
Clock
Core
Clock
Transmit
PLL
Core Clock
Control
MDIO Interface
JTAG Port
(IEEE 1149.1)
Status
Notes:
Transmit/Receive Paths show only
Channel A, which is 1 of 4 channels.
Items in
BOLD
are external pins.
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