参数资料
型号: OR4E063BA352-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 2024 CLBS, 515000 GATES, PBGA352
封装: PLASTIC, BGA-352
文件页数: 74/151页
文件大小: 2680K
代理商: OR4E063BA352-DB
Lattice Semiconductor
29
Data Sheet
September, 2002
ORCA Series 4 FPGAs
Embedded Block RAM (continued)
0308(F)
Figure 21. EBR Read and Write Cycles with Write Through and Nonregistered Read Port
Table 9. FIFO Signals
Port Signals
I/O
Function
AR0[5:0]
I
Programs FIFO ags. Used for partially empty ag size.
AR1[9:0]
I
Programs FIFO ags. Used for partially full ag size.
FF
O
Full Flag.
PFF
O
Partially Full Flag.
PEF
O
Partially Empty Flag.
EF
O
Empty Flag.
D0[17:0]
I
Data inputs for all congurations.
D1[17:0]
I
Data inputs for 256x36 congurations only.
CKW[0:1]
I
Positive-edge write port clock. Port 1 only used for 256x36 congurations.
CKR[0:1]
I
Positive-edge read port clock. Port 1 only used for 256x36 congurations.
CSW[1:0]
I
Active-high write enable. Port 1 only used for 256x36 congurations.
CSR[1:0]
I
Active-high read enable. Port 1 only used for 256x36 congurations.
RESET
I
Active-low Resets FIFO pointers.
Q0[17:0]
O
Data outputs for all congurations.
Q1[17:0]
O
Data outputs for 256x36 congurations.
CKWPH
CKWPL
CSWSU
CSWH
AWH
DSU
DH
BWSU
BWH
AWSU
CKWQ
AQ
AQH
ab
c
d
bc
a
d
c
CKW
CSW
AW
D
BW
AR
Q
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