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| 型号： | LFXP2-17E-7F484C |
| 厂商： | LATTICE SEMICONDUCTOR CORP |
| 元件分类： | FPGA |
| 中文描述： | FPGA, 420 MHz, PBGA484 |
| 封装： | 23 X 23 MM, FPBGA-484 |
| 文件页数： | 38/92页 |
| 文件大小： | 1701K |
| 代理商： | LFXP2-17E-7F484C |
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2-40
Architecture
Lattice Semiconductor
LatticeXP2 Family Data Sheet
original backup configuration and try again. This all can be done without power cycling the system. For more
information please see TN1144, LatticeXP2 Dual Boot Usage Guide.
For more information on device configuration, please see TN1141, LatticeXP2 sysCONFIG Usage Guide.
Soft Error Detect (SED) Support
LatticeXP2 devices have dedicated logic to perform Cyclic Redundancy Code (CRC) checks. During configuration,
the configuration data bitstream can be checked with the CRC logic block. In addition, LatticeXP2 devices can be
programmed for checking soft errors in SRAM. The SED operation can run in the background during user mode
(normal operation). In the event a soft error occurs, the device can be programmed to either reload from a known
good boot image (from internal Flash or external SPI memory) or generate an error signal.
For further information on SED support, please see TN1130, LatticeXP2 Soft Error Detection (SED) Usage Guide.
On-Chip Oscillator
Every LatticeXP2 device has an internal CMOS oscillator that is used to derive a Master Clock (CCLK) for configu-
ration. The oscillator and CCLK run continuously and are available to user logic after configuration is complete. The
available CCLK frequencies are listed in Table 2-14. When a different CCLK frequency is selected during the
design process, the following sequence takes place:
1.
Device powers up with the default CCLK frequency.
2.
During configuration, users select a different CCLK frequency.
3.
CCLK frequency changes to the selected frequency after clock configuration bits are received.
This internal CMOS oscillator is available to the user by routing it as an input clock to the clock tree. For further
information on the use of this oscillator for configuration or user mode, please see TN1141, LatticeXP2 sysCON-
Table 2-14. Selectable CCLKs and Oscillator Frequencies During Configuration and User Mode
CCLK/Oscillator (MHz)
2.5
1
3.1
2
4.3
5.4
6.9
8.1
9.2
10
13
15
20
26
32
40
54
80
3
163
3
1. Software default oscillator frequency.
2. Software default CCLK frequency.
3. Frequency not valid for CCLK.
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| LFXP2-17E-7F484C8W | 功能描述:FPGA - 现场可编程门阵列 17KLUTs 358I/O Inst- on DSP 1.2V -7Spd 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 |
| LFXP2-17E-7FN484C | 功能描述:FPGA - 现场可编程门阵列 17KLUTs 358 I/O Inst -on DSP 1.2V -6 Spd 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 |
| LFXP2-17E-7FN484C8W | 功能描述:FPGA - 现场可编程门阵列 17KLUTs 358I/O Inst -on DSP 1.2V -7 Spd 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 |
| LFXP2-17E-7FT256C | 功能描述:FPGA - 现场可编程门阵列 17KLUTs 201 I/O Inst -on DSP 1.2V -7 Spd 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 |
| LFXP2-17E-7FT256C8W | 功能描述:FPGA - 现场可编程门阵列 17KLUTs 201 I/O Inst -on DSP 1.2V -7 Spd 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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