參數(shù)資料
型號(hào): EP1C6F324I8ES
廠商: Altera Corporation
英文描述: Cyclone FPGA Family Data Sheet
中文描述: 氣旋的FPGA系列數(shù)據(jù)手冊(cè)
文件頁數(shù): 25/104頁
文件大?。?/td> 763K
代理商: EP1C6F324I8ES
Altera Corporation
January 2007
2–19
Preliminary
Embedded Memory
In addition to true dual-port memory, the M4K memory blocks support
simple dual-port and single-port RAM. Simple dual-port memory
supports a simultaneous read and write. Single-port memory supports
non-simultaneous reads and writes.
Figure 2–13
shows these different
M4K RAM memory port configurations.
Figure 2–13. Simple Dual-Port & Single-Port Memory Configurations
Note to
Figure 2–13
:
(1)
Two single-port memory blocks can be implemented in a single M4K block as long
as each of the two independent block sizes is equal to or less than half of the M4K
block size.
The memory blocks also enable mixed-width data ports for reading and
writing to the RAM ports in dual-port RAM configuration. For example,
the memory block can be written in
×
1 mode at port A and read out in
×
16
mode from port B.
The Cyclone memory architecture can implement fully synchronous
RAM by registering both the input and output signals to the M4K RAM
block. All M4K memory block inputs are registered, providing
synchronous write cycles. In synchronous operation, the memory block
generates its own self-timed strobe write enable (
wren
) signal derived
from a global clock. In contrast, a circuit using asynchronous RAM must
generate the RAM
wren
signal while ensuring its data and address
signals meet setup and hold time specifications relative to the
wren
data[
wraddress[
wren
inclock
inclocken
inaclr
rdaddress[
rden
q[
outclock
outclocken
outaclr
data[
address[
wren
inclock
inclocken
inaclr
q[
outclock
outclocken
outaclr
Single-Port Memory
(1)
Simple Dual-Port Memory
相關(guān)PDF資料
PDF描述
EP1C6Q100C6ES Cyclone FPGA Family Data Sheet
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EP1C6Q100C8ES Cyclone FPGA Family Data Sheet
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EP1C6Q240C6N 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 FPGA - Cyclone I 598 LABs 185 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP1C6Q240C7 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 FPGA - Cyclone I 598 LABs 185 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
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