參數(shù)資料
型號: XQ2V3000-4BG575M
廠商: Xilinx, Inc.
英文描述: QPro Virtex-II 1.5V Military QML Platform FPGAs
中文描述: QPro的Virtex - II 1.5V的軍事QML第平臺FPGA
文件頁數(shù): 38/128頁
文件大小: 2738K
代理商: XQ2V3000-4BG575M
QPro Virtex-II 1.5V Military QML Platform FPGAs
38
www.xilinx.com
1-800-255-7778
DS122 (v1.1) January 7, 2004
Product Specification
R
Operating Modes
The frequency ranges of DCM input and output clocks
depend on the operating mode specified, either
low-frequency mode or high-frequency mode, according to
Table 27
. (For actual values, see
QPro Virtex-II Switching
Characteristics
.) The CLK2X, CLK2X180, CLK90, and
CLK270 outputs are not available in high-frequency mode.
High or low-frequency mode is selected by an attribute.
Locations/Organization
Virtex-II DCMs are placed on the top and the bottom of each
block RAM and multiplier column. The number of DCMs
depends on the device size, as shown in
Table 28
.
Table 27:
DCM Frequency Ranges
Output Clock
Low-Frequency Mode
High-Frequency Mode
CLKIN Input
CLK Output
CLKIN Input
CLK Output
CLK0, CLK180
CLKIN_FREQ_DLL_LF
CLKOUT_FREQ_1X_LF
CLKIN_FREQ_DLL_HF
CLKOUT_FREQ_1X_HF
CLK90, CLK270
CLKIN_FREQ_DLL_LF
CLKOUT_FREQ_1X_LF
NA
NA
CLK2X, CLK2X180
CLKIN_FREQ_DLL_LF
CLKOUT_FREQ_2X_LF
NA
NA
CLKDV
CLKIN_FREQ_DLL_LF
CLKOUT_FREQ_DV_LF
CLKIN_FREQ_DLL_HF
CLKOUT_FREQ_DV_HF
CLKFX, CLKFX180
CLKIN_FREQ_FX_LF
CLKOUT_FREQ_FX_LF
CLKIN_FREQ_FX_HF
CLKOUT_FREQ_FX_HF
Table 28:
DCM Organization
Device
Columns
DCMs
XQ2V1000
4
8
XQ2V3000
6
12
XQ2V6000
6
12
ds122_1_1.fm Page 38 Wednesday, January 7, 2004 9:15 PM
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