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參數(shù)資料
| 型號(hào)： | ISL34321INZ-T13 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 13/13頁 |
| 文件大小： | 0K |
| 描述： | IC SER/DESER LVDS SERDES 48TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 功能： | 串行器/解串器 |
| 輸入類型： | LVTTL/LVCMOS |
| 輸出類型： | LVTTL，LVCMOS |
| 輸入數(shù)： | 2 |
| 輸出數(shù)： | 2 |
| 電源電壓： | 1.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP 裸露焊盤（7x7） |
| 包裝： | 帶卷 (TR) |
ISL34321
9
FN6870.1
September 23, 2010
Applications
Detailed Description and Operation
A pair of ISL34321 SERDES transports 16-bit parallel
video for the ISL34321 along with auxiliary data over a
single 100Ω differential cable either to a display or from a
camera. Auxiliary data is transferred in both directions
and can be used for remote configuration and telemetry.
The benefits include lower EMI, lower costs, greater
reliability and space savings. The same device can be
configured to be either a serializer or deserializer by
setting one pin (VIDEO_TX), simplifying inventory.
RGBA/B/C, VSYNC, HSYNC, and DATAEN pins are inputs
in serializer mode and outputs in deserializer mode.
The video data presented to the serializer on the parallel
LVCMOS bus is serialized into a high-speed differential
signal. This differential signal is converted back to
parallel video at the remote end by the deserializer. The
Side Channel data is transferred between the SERDES
pair during two lines of the vertical video blanking
interval.
When the side-channel is enabled, there will be a number
of PCLK cycles uncertainty from frame-to-frame. This
should not cause sync problems with most displays, as
this occurs during the vertical front porch of the blanking
period. When properly configured, the SERDES link
supports end-to-end transport with fewer than one error
in 1010 bits.
Differential Signals and Termination
The ISL34321 serializes the 16-bit parallel data plus 3
sync signals at 20x the PCLK_IN frequency. The extra 2
bits per word come from the 8b/10b encoding scheme
which helps create the highest quality serial link.
The high bit rate of the differential serial data requires
special care in the layout of traces on PCBs, in the choice
and assembly of connectors, and in the cables
themselves.
PCB traces need to be adjacent and matched in length
(so as to minimize the imbalanced coupling to other
traces or elements) and of a geometry to match the
impedance of the transmitter and receiver to minimize
reflections. Similar care needs to be applied to the choice
of connectors and cables.
SERIOP and SERION pins incorporate internal differential
termination of the serial signal lines.
SERIO Pin AC-Coupling
AC-coupling minimizes the effects of DC common mode
voltage difference and local power supply variations
between two SERDES. The serializer outputs DC
balanced 8b/10b line code, which allows AC-coupling.
The AC-coupling capacitor on SERIO pins must be 27nF
on the serializer board and 27nF on the deserializer
board. The value of the AC-coupling capacitor is very
critical since a value too small will attenuate the high
speed signal at low clock rate. A value too big will slow
down the turn around time for the side-channel. It is an
advantage to have the pair of capacitors as closely
matched as possible.
Receiver Reference Clock (REF_CLK)
The reference clock (REF_CLK) for the PLL is fed into
PCLK_IN pin. REF_CLK is used to recover the clock
from the high speed serial stream. REF_CLK is very
sensitive to any instability. The following conditions
must be met at all times after power is applied to the
deserializer, or else the deserializer may need a
manual reset:
VDD must be applied and stable.
REF_CLK frequency must be within the limits
specified
REF_CLK amplitude must be stable.
A simple 3.3V CMOS crystal oscillator can be used for
REF_CLK.
FIGURE 3. PARALLEL VIDEO OUTPUT TIMING [PCLK_OUT ACTIVE LOW, HSYNC/VSYNC ACTIVE HIGH]
HSYNC
VSYNC
DATAEN
PCLK_OUT
RGB[A:C][7:0]
1/fOUT
TODC
TOR
TDV
TOF
VALID DATA
DATA HELD AT PREVIOUS VALUE
VALID DATA
TDV
VIDEO_TX = 0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL34340 | 制造商:Intersil Corporation 功能描述: |
| ISL34340_0806 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:WSVGA 24-Bit Long-Reach Video SERDES with Bidirectional Side-Channel |
| ISL34340INZ | 功能描述:IC LNG-RCH VID SERDES 64-EPTQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 串行器，解串行器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 功能:解串器 數(shù)據(jù)速率:2.5Gbps 輸入類型:串行 輸出類型:并聯(lián) 輸入數(shù):- 輸出數(shù):24 電源電壓:1.8 V ~ 3.3 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:64-TQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-TQFP-EP（10x10） 包裝:管件 |
| ISL34340INZ-T13 | 功能描述:IC VIDEO SERDES LONG 64-EPTQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 串行器，解串行器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 功能:解串器 數(shù)據(jù)速率:2.5Gbps 輸入類型:串行 輸出類型:并聯(lián) 輸入數(shù):- 輸出數(shù):24 電源電壓:1.8 V ~ 3.3 V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:64-TQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-TQFP-EP（10x10） 包裝:管件 |
| ISL34340KIT1Z | 功能描述:EVALUATION BOARD FOR ISL34340 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:* 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
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