參數(shù)資料
型號(hào): XC2V40-4FG256I
廠商: Xilinx Inc
文件頁(yè)數(shù): 251/318頁(yè)
文件大?。?/td> 0K
描述: IC FPGA VIRTEX-II 256FGBGA
產(chǎn)品變化通告: FPGA Family Discontinuation 18/Apr/2011
標(biāo)準(zhǔn)包裝: 90
系列: Virtex®-II
LAB/CLB數(shù): 64
RAM 位總計(jì): 73728
輸入/輸出數(shù): 88
門數(shù): 40000
電源電壓: 1.425 V ~ 1.575 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 100°C
封裝/外殼: 256-BGA
供應(yīng)商設(shè)備封裝: 256-FBGA(17x17)
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)第173頁(yè)第174頁(yè)第175頁(yè)第176頁(yè)第177頁(yè)第178頁(yè)第179頁(yè)第180頁(yè)第181頁(yè)第182頁(yè)第183頁(yè)第184頁(yè)第185頁(yè)第186頁(yè)第187頁(yè)第188頁(yè)第189頁(yè)第190頁(yè)第191頁(yè)第192頁(yè)第193頁(yè)第194頁(yè)第195頁(yè)第196頁(yè)第197頁(yè)第198頁(yè)第199頁(yè)第200頁(yè)第201頁(yè)第202頁(yè)第203頁(yè)第204頁(yè)第205頁(yè)第206頁(yè)第207頁(yè)第208頁(yè)第209頁(yè)第210頁(yè)第211頁(yè)第212頁(yè)第213頁(yè)第214頁(yè)第215頁(yè)第216頁(yè)第217頁(yè)第218頁(yè)第219頁(yè)第220頁(yè)第221頁(yè)第222頁(yè)第223頁(yè)第224頁(yè)第225頁(yè)第226頁(yè)第227頁(yè)第228頁(yè)第229頁(yè)第230頁(yè)第231頁(yè)第232頁(yè)第233頁(yè)第234頁(yè)第235頁(yè)第236頁(yè)第237頁(yè)第238頁(yè)第239頁(yè)第240頁(yè)第241頁(yè)第242頁(yè)第243頁(yè)第244頁(yè)第245頁(yè)第246頁(yè)第247頁(yè)第248頁(yè)第249頁(yè)第250頁(yè)當(dāng)前第251頁(yè)第252頁(yè)第253頁(yè)第254頁(yè)第255頁(yè)第256頁(yè)第257頁(yè)第258頁(yè)第259頁(yè)第260頁(yè)第261頁(yè)第262頁(yè)第263頁(yè)第264頁(yè)第265頁(yè)第266頁(yè)第267頁(yè)第268頁(yè)第269頁(yè)第270頁(yè)第271頁(yè)第272頁(yè)第273頁(yè)第274頁(yè)第275頁(yè)第276頁(yè)第277頁(yè)第278頁(yè)第279頁(yè)第280頁(yè)第281頁(yè)第282頁(yè)第283頁(yè)第284頁(yè)第285頁(yè)第286頁(yè)第287頁(yè)第288頁(yè)第289頁(yè)第290頁(yè)第291頁(yè)第292頁(yè)第293頁(yè)第294頁(yè)第295頁(yè)第296頁(yè)第297頁(yè)第298頁(yè)第299頁(yè)第300頁(yè)第301頁(yè)第302頁(yè)第303頁(yè)第304頁(yè)第305頁(yè)第306頁(yè)第307頁(yè)第308頁(yè)第309頁(yè)第310頁(yè)第311頁(yè)第312頁(yè)第313頁(yè)第314頁(yè)第315頁(yè)第316頁(yè)第317頁(yè)第318頁(yè)
Virtex-II Platform FPGAs: Functional Description
R
DS031-2 (v3.5) November 5, 2007
Module 2 of 4
Product Specification
30
The DCM can be configured to delay the completion of the
Virtex-II configuration process until after the DCM has
achieved lock. This guarantees that the chip does not begin
operating until after the system clocks generated by the
DCM have stabilized.
The DCM has the following general control signals:
RST input pin: resets the entire DCM
LOCKED output pin: asserted High when all enabled
DCM circuits have locked.
STATUS output pins (active High): shown in Table 21.
Clock De-Skew
The DCM de-skews the output clocks relative to the input
clock by automatically adjusting a digital delay line. Addi-
tional delay is introduced so that clock edges arrive at inter-
nal registers and block RAMs simultaneously with the clock
edges arriving at the input clock pad. Alternatively, external
clocks, which are also de-skewed relative to the input clock,
can be generated for board-level routing. All DCM output
clocks are phase-aligned to CLK0 and, therefore, are also
phase-aligned to the input clock.
To achieve clock de-skew, the CLKFB input must be con-
nected, and its source must be either CLK0 or CLK2X. Note
that CLKFB must always be connected, unless only the CLKFX
or CLKFX180 outputs are used and de-skew is not required.
Frequency Synthesis
The DCM provides flexible methods for generating new
clock frequencies. Each method has a different operating
frequency range and different AC characteristics. The
CLK2X and CLK2X180 outputs double the clock frequency.
The CLKDV output creates divided output clocks with divi-
sion options of 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5,
8, 9, 10, 11, 12, 13, 14, 15, and 16.
The CLKFX and CLKFX180 outputs can be used to pro-
duce clocks at the following frequency:
FREQCLKFX = (M/D) * FREQCLKIN
where M and D are two integers. Specifications for M and D
are provided under DCM Timing Parameters in Module 3.
By default, M=4 and D=1, which results in a clock output fre-
quency four times faster than the clock input frequency
(CLKIN).
CLK2X180 is phase shifted 180 degrees relative to CLK2X.
CLKFX180 is phase shifted 180 degrees relative to CLKFX.
All frequency synthesis outputs automatically have 50/50
duty cycles (with the exception of the CLKDV output when
performing a non-integer divide in high-frequency mode).
Note that CLK2X and CLK2X180 are not available in
high-frequency mode.
Phase Shifting
The DCM provides additional control over clock skew
through either coarse or fine-grained phase shifting. The
CLK0, CLK90, CLK180, and CLK270 outputs are each
phase shifted by of the input clock period relative to each
other, providing coarse phase control. Note that CLK90 and
CLK270 are not available in high-frequency mode.
Fine-phase adjustment affects all nine DCM output clocks.
When activated, the phase shift between the rising edges of
CLKIN and CLKFB is a specified fraction of the input clock
period.
In variable mode, the PHASE_SHIFT value can also be
dynamically incremented or decremented as determined by
PSINCDEC synchronously to PSCLK, when the PSEN
input is active. Figure 46 illustrates the effects of fine-phase
shifting. For more information on DCM features, see the
Virtex-II User Guide.
Figure 45: Digital Clock Manager
Table 21: DCM Status Pins
Status Pin
Function
0
Phase Shift Overflow
1
CLKIN Stopped
2
CLKFX Stopped
3N/A
4N/A
5N/A
6N/A
7N/A
CLKIN
CLKFB
CLK180
CLK270
CLK0
CLK90
CLK2X
CLK2X180
CLKDV
DCM
DS031_67_112900
CLKFX
CLKFX180
LOCKED
STATUS[7:0]
PSDONE
RST
DSSEN
PSINCDEC
PSEN
PSCLK
clock signal
control signal
相關(guān)PDF資料
PDF描述
XC2V40-5FGG256C IC FPGA VIRTEX-II 40K 256-FBGA
XC2V40-4FGG256I IC FPGA VIRTEX-II 40K 256-FBGA
3341-32BULK CONN JACKSOCKET M2.5/4-40 0.50"
DB53750-2 DSUB DB INTERFACIAL SEAL
XC3S1400A-5FTG256C IC FPGA SPARTAN3A 1400K 256FTBGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XC2V40-4FG456C 制造商:XILINX 制造商全稱:XILINX 功能描述:Virtex-II Platform FPGAs: Complete Data Sheet
XC2V40-4FG456I 制造商:XILINX 制造商全稱:XILINX 功能描述:Virtex-II Platform FPGAs: Complete Data Sheet
XC2V40-4FGG256C 功能描述:IC FPGA VIRTEX-II 40K 256-FBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - FPGA(現(xiàn)場(chǎng)可編程門陣列) 系列:Virtex®-II 標(biāo)準(zhǔn)包裝:40 系列:Spartan® 6 LX LAB/CLB數(shù):3411 邏輯元件/單元數(shù):43661 RAM 位總計(jì):2138112 輸入/輸出數(shù):358 門數(shù):- 電源電壓:1.14 V ~ 1.26 V 安裝類型:表面貼裝 工作溫度:-40°C ~ 100°C 封裝/外殼:676-BGA 供應(yīng)商設(shè)備封裝:676-FBGA(27x27)
XC2V40-4FGG256I 功能描述:IC FPGA VIRTEX-II 40K 256-FBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - FPGA(現(xiàn)場(chǎng)可編程門陣列) 系列:Virtex®-II 標(biāo)準(zhǔn)包裝:40 系列:Spartan® 6 LX LAB/CLB數(shù):3411 邏輯元件/單元數(shù):43661 RAM 位總計(jì):2138112 輸入/輸出數(shù):358 門數(shù):- 電源電壓:1.14 V ~ 1.26 V 安裝類型:表面貼裝 工作溫度:-40°C ~ 100°C 封裝/外殼:676-BGA 供應(yīng)商設(shè)備封裝:676-FBGA(27x27)
XC2V40-5BF957C 制造商:XILINX 制造商全稱:XILINX 功能描述:Virtex-II 1.5V Field-Programmable Gate Arrays