参数资料
型号: LFXP15C-4FN256C
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
中文描述: FPGA, 1932 CLBS, PBGA256
封装: 17 X 17 MM, LEAD FREE, FPBGA-256
文件页数: 40/130页
文件大小: 1312K
代理商: LFXP15C-4FN256C
2-14
Architecture
Lattice Semiconductor
LatticeXP Family Data Sheet
Figure 2-15. Memory Core Reset
For further information on sysMEM EBR block, see the details of additional technical documentation at the end of
this data sheet.
EBR Asynchronous Reset
EBR asynchronous reset or GSR (if used) can only be applied if all clock enables are low for a clock cycle before the
reset is applied and released a clock cycle after the reset is released, as shown in Figure 2-16. The GSR input to the
EBR is always asynchronous.
Figure 2-16. EBR Asynchronous Reset (Including GSR) Timing Diagram
If all clock enables remain enabled, the EBR asynchronous reset or GSR may only be applied and released after
the EBR read and write clock inputs are in a steady state condition for a minimum of 1/fMAX (EBR clock). The reset
release must adhere to the EBR synchronous reset setup time before the next active read or write clock edge.
If an EBR is pre-loaded during configuration, the GSR input must be disabled or the release of the GSR during
device Wake Up must occur before the release of the device I/Os becoming active.
These instructions apply to all EBR RAM and ROM implementations.
Note that there are no reset restrictions if the EBR synchronous reset is used and the EBR GSR input is disabled.
Programmable I/O Cells (PICs)
Each PIC contains two PIOs connected to their respective sysIO Buffers which are then connected to the PADs as
shown in Figure 2-17. The PIO Block supplies the output data (DO) and the Tri-state control signal (TO) to sysIO
buffer, and receives input from the buffer.
Q
SET
D
LCLR
Output Data
Latches
Memory Core
Port A[17:0]
Q
SET
D
Port B[17:0]
RSTB
GSRN
Programmable Disable
RSTA
LCLR
Reset
Clock
Enable
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LFXP15C-4FN256I 功能描述:FPGA - 现场可编程门阵列 15.4K LUTs 188 IO 1. 8/2.5/3.3V-4 Spd I 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
LFXP15C-4FN388C 功能描述:FPGA - 现场可编程门阵列 15.4K LUTs 268 IO 1. 8/2.5/3.3V -4 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
LFXP15C-4FN388I 功能描述:FPGA - 现场可编程门阵列 15.4K LUTs 268 IO 1. 8/2.5/3.3V-4 Spd I 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
LFXP15C-4FN484C 功能描述:FPGA - 现场可编程门阵列 15.4K LUTs 1.8/2.5/3 .3V -4 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
LFXP15C-4FN484I 功能描述:FPGA - 现场可编程门阵列 15.4K LUTs 1.8/2.5/3 .3V-4 Spd I 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