參數(shù)資料
型號: EP1C6F324C6ES
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
文件頁數(shù): 34/104頁
文件大?。?/td> 763K
代理商: EP1C6F324C6ES
2–28
Preliminary
Altera Corporation
January 2007
Cyclone Device Handbook, Volume 1
Read/Write Clock Mode
The M4K memory blocks implement read/write clock mode for simple
dual-port memory. You can use up to two clocks in this mode. The write
clock controls the block's data inputs,
wraddress
, and
wren
. The read
clock controls the data output,
rdaddress
, and
rden
. The memory
blocks support independent clock enables for each clock and
asynchronous clear signals for the read- and write-side registers.
Figure 2–20
shows a memory block in read/write clock mode.
Figure 2–20. Read/Write Clock Mode in Simple Dual-Port Mode
Notes (1)
,
(2)
Notes to
Figure 2–20
:
(1)
All registers shown except the rden register have asynchronous clear ports.
(2)
Violating the setup or hold time on the address registers could corrupt the memory contents. This applies to both
read and write operations.
6
D
ENA
Q
D
ENA
Q
D
ENA
Q
D
ENA
Q
D
ENA
Q
data[ ]
D
ENA
Q
w
raddress[ ]
address[ ]
Memory Block
256
×
16
512
×
8
1,024
×
4
2,04
8
×
2
4,096
×
1
Data In
Read Address
Write Address
Write Ena
b
le
Read Ena
b
le
Data O
u
t
rdclken
w
rclken
w
rclock
rdclock
w
ren
rden
6 LAB Ro
w
Clocks
To M
u
ltiTrack
Interconnect
D
ENA
Q
b
yteena[ ]
Byte Ena
b
le
Write
P
u
lse
Generator
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EP1C6Q240C6N 功能描述:FPGA - 現(xiàn)場可編程門陣列 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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EP1C6Q240C7N 功能描述:FPGA - 現(xiàn)場可編程門陣列 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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