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參數(shù)資料
| 型號(hào)： | XC40150XV |
| 廠(chǎng)商： | XILINX INC |
| 元件分類(lèi)： | FPGA |
| 英文描述： | XC4000XLA/XV Field Programmable Gate Arrays |
| 中文描述： | FPGA, 5184 CLBS, 100000 GATES |
| 文件頁(yè)數(shù)： | 10/14頁(yè) |
| 文件大小： | 142K |
| 代理商： | XC40150XV |
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XC4000XLA/XV Field Programmable Gate Arrays
6-166
DS015 (v1.3) October 18, 1999 - Product Specification
Data Stream Format
The data stream (“bitstream”) format is identical for all
serial
configuration
modes,
4000XLA/XV Express mode. In Express mode, the device
becomes active when DONE goes High, therefore no
length count is required. Additionally, CRC error checking is
not supported in Express mode. The data stream format is
shown in
Table 9
. Express mode data is shown with D0 at
the left and D7 at the right.
but
different
for
the
The configuration data stream begins with two bytes of
eight ones each, a preamble code of one byte, followed by
three bytes of eight ones each, and finally an end-of-
header field check byte. This header of seven bytes is fol-
lowed by the actual configuration data in frames. The
length and number of frames depends on the device type.
Each frame begins with a start field and ends with an
end-of-frame field check byte. In all cases, additional
start-up bytes of data are required to provide six, or more,
clocks for the start-up sequence at the end of configuration.
Long daisy chains require additional startup bytes to shift
the last data through the chain. All startup bytes are
don’t-cares; these bytes are not included in bitstreams cre-
ated by the Xilinx software.
A selection of CRC or non-CRC error checking is allowed
by the bitstream generation software. The 4000XLA
Express mode only supports non-CRC error checking. The
non-CRC
error
checking
end-of-frame field check byte for each frame. non-CRC
error checking tests for a designated end-of-frame field
check byte for each frame.
tests
for
a
designated
LEGEND:
Detection of an error results in the suspension of data load-
ing and the pulling down of the INIT pin. The user must
detect INIT and initialize a new configuration by pulsing the
PROGRAM pin Low or cycling VCC.
Note: CS1 mustremain High throughout loading of the configuration data stream. In the pseudo daisy chain of
Figure 5
, the 7 byte
data stream header is loaded into all devices simultaneously. Each device’s data frames are then loaded in turn when its
CS1 pin is driven High by the DOUT of the preceding device in the chain.
99012600
B0
CCLK
1
2
3
INIT
T
DC
T
CD
T
IC
D0-D7
DOUT
CS1
First
FPGA
B1
B2
B3
First FPGA Filled
B4
B5
B6
Header
Header Loaded
CS1
Second
FPGA
CS1 all
downstream
FPGAs
Byte A is first frame byte for first FPGA
Byte B is last frame byte for first FPGA
Byte C is first frame byte for second FPGA
BA
BC
BB
Figure 6: Express Mode Configuration Switching Waveforms
Table 9: 4000XLA/XV Express Mode Data Stream
Format
Data Type
Express Mode
(D0-D7)
(4000XLA only)
FFFFh
11110010b
FFFFFFh
11010010b
Fill Byte
Preamble Code
Fill Byte
End-of-Header
Field Check Byte
Start Field
Data Frame
End-of-Frame
Field Check Byte
Extend Write Cycle
Start-Up Bytes
11111110b
DATA(n-1:0)
11010010b
FFD2FFFFFFh
FFFFFFFFFFFFh
Unshaded
Light
Once per data stream
Once per data frame
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| XC4020E-1HQ208C | 功能描述:IC FPGA C-TEMP 5V 1SPD 208-HQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場(chǎng)可編程門(mén)陣列） 系列:XC4000E/X 標(biāo)準(zhǔn)包裝:1 系列:Kintex-7 LAB/CLB數(shù):25475 邏輯元件/單元數(shù):326080 RAM 位總計(jì):16404480 輸入/輸出數(shù):350 門(mén)數(shù):- 電源電壓:0.97 V ~ 1.03 V 安裝類(lèi)型:表面貼裝 工作溫度:0°C ~ 85°C 封裝/外殼:900-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:900-FCBGA（31x31） 其它名稱(chēng):122-1789 |
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