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参数资料
| 型号： | EPF10K200S |
| 厂商： | Altera Corporation |
| 英文描述： | Embedded Programmable Logic Family(FLEX10KE嵌入式可编程逻辑系列) |
| 中文描述： | 嵌入式可编程逻辑系列（FLEX10KE嵌入式可编程逻辑系列） |
| 文件页数： | 16/20页 |
| 文件大小： | 322K |
| 代理商： | EPF10K200S |
16
Altera Corporation
PIB 21: Implementing Logic with the Embedded Array in FLEX 10K Devices
Figure 11. Computing the Sine Function
Computing transcendental functions with an EAB produces a high-
resolution result, where resolution is the minimum change in input to
change in output. An EAB produces high-resolution results because it can
implement functions with high numbers of inputs, whereas LEs cannot
easily implement such complex functions. The more entries that can be
stored in the EAB, the higher the resolution. One EAB can store 256 8-bit
entries. Therefore, an EAB used to calculate a symmetric function
effectively has 1,024 8-bit entries because symmetric functions can use
each entry in the EAB 4 times, once for each quadrant of the function. For
example, computing a sine wave with an EAB produces a resolution of
0.35
°
.
To increase the precision and resolution on the output of the
transcendental function, multiple EABs are used. To increase the
precision, 1 EAB can look up the 8 MSBs while another EAB looks up the
8 LSBs of the result. To increase resolution, 2 EABs can be used to emulate
a 512
×
8 ROM, which provides 2,048 8-bit entries and a resolution of
0.18
°
.
Waveform Generator
After a sine function has been implemented, the EAB can generate a sine
wave. If a counter drives the input of the sine function, the output is a
digitized sine wave, and this digital output can be driven to a digital-to-
analog converter. A sine wave can be used for various DSP functions.
EAB outputs
are inverted.
EAB inputs
are inverted.
EAB only stores values for one quadrant; other
quadrants are produced by inverting inputs
and/or outputs.
EAB inputs
and outputs
are inverted.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EPF10K200SBC356-1 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EPF10K200SBC356-1X | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EPF10K200SBC356-2 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EPF10K200SBC356-2X | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EPF10K200SBC356-3 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
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