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: 62/151页
文件大小: 2680K
代理商: OR4E063BA352-DB
18
Lattice Semiconductor
Data Sheet
September, 2002
ORCA Series 4 FPGAs
Programmable Logic Cells (continued)
Memory Mode
The Series 4 PFU can be used to implement a 32x4 (128-bit) synchronous, dual-port RAM). A block diagram of a
PFU in memory mode is shown in Figure 12. This RAM can also be congured to work as a single-port memory
and because initial values can be loaded into the RAM during conguration, it can also be used as a ROM.
5-5969(F)a
1. CLK[0:1] are commonly connected in memory mode.
2. CE1 = write enable = wren; wren = 0 (no write enable); wren = 1 (write enabled).
CE0 = write port enable 0; CE0 = 0, wren = 0; CE0 = 1, wren = CE1.
LSR0 = write port enable 1; LSR0 = 0, wren = CE0; LSR0 = 1, wren = CE1.
Figure 12. Memory Mode
Q6
Q4
Q2
Q0
D
5
Q
CIN(WA1)
KZ[3:0]
4
F5[A:D]
D Q
DIN7(WA3)
D Q
DIN5(WA2)
D Q
DIN3(WA1)
D Q
DIN1(WA0)
D Q
DIN6(WD3)
D Q
DIN4(WD2)
D Q
DIN2(WD1)
D Q
DIN0(WD0)
D Q
CE0, LSR0
S/E
CLK[0:1]
4
WRITE
READ
4
F6
F4
F2
F0
D Q
WRITE
RAM CLOCK
ADDRESS[4:0]
DATA[3:0]
ENABLE
(SEE NOTE 2.)
CE1
相关PDF资料
PDF描述
OR4E063BM680-DB FPGA, 2024 CLBS, 515000 GATES, PBGA680
ORT4622-8BC432I FPGA, PBGA432
ORT4622-8BM680I FPGA, PBGA680
ORT4622-8BC432I FPGA, PBGA432
ORT4622-8BM680I FPGA, PBGA680
相关代理商/技术参数
参数描述
OR4E10 制造商:AGERE 制造商全称:AGERE 功能描述:Field-Programmable Gate Arrays
OR4E14 制造商:未知厂家 制造商全称:未知厂家 功能描述:Field-Programmable Gate Arrays
OR4E2 制造商:AGERE 制造商全称:AGERE 功能描述:Field-Programmable Gate Arrays
OR4E2-1BA256 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA
OR4E2-1BA352 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA