參數(shù)資料
型號(hào): OR4E02-2BM680I
英文描述: FPGA
中文描述: FPGA的
文件頁(yè)數(shù): 39/153頁(yè)
文件大小: 2737K
代理商: OR4E02-2BM680I
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Data Sheet
November, 2002
Lattice Semiconductor
39
ORCA
Series 4 FPGAs
Programmable Input/Output Cells
(continued)
0204(F).
Figure 24. PIO Shift Register
I
O
O
PIO
I
O
O
PIO
I
O
O
PIO
I
O
O
PIO
SHIFT REGISTER
OUT FROM FPGA
SHIFT REGISTER
INTO FPGA
CLK
O
O
O
O
I
I
I
I
Special Function Blocks
Special function blocks in the Series 4 provide extra
capabilities beyond general FPGA operation. These
blocks reside in the corners and MIDs (middle inter-
quad areas) of the FPGA array.
Internal Oscillator
The internal oscillator resides in the upper left corner of
the FPGA array. It has output clock frequencies of
1.25 MHz and 10 MHz. The internal oscillator is the
source of the internal CCLK used for con
fi
guration. It
may also be used after con
fi
guration as a general-
purpose clock signal.
Global Set/Reset (GSRN)
The GSRN logic resides in the upper-left corner of the
FPGA. GSRN is an invertible, default, active-low signal
that is used to reset all of the user-accessible latches/
FFs on the device. GSRN is automatically asserted at
powerup and during con
fi
guration of the device.
The timing of the release of GSRN at the end of con
fi
g-
uration can be programmed in the start-up logic
described below. Following con
fi
guration, GSRN may
be connected to the
RESET
pin via dedicated routing, or
it may be connected to any signal via normal routing.
GSRN can also be controlled via a system bus register
command. Within each PFU and PIO, individual FFs
and latches can be programmed to either be set or
reset when GSRN is asserted. Series 4 allows individ-
ual PFUs and PIOs to turn off the GSRN signal to its
latches/FFs after con
fi
guration.
The
RESET
input pad has a special relationship to
GSRN. During con
fi
guration, the
RESET
input pad
always initiates a con
fi
guration abort, as described in
the FPGA States of Operation section. After con
fi
gura-
tion, the GSRN can either be disabled (the default),
directly connected to the
RESET
input pad, or sourced
by a lower-right corner signal. If the
RESET
input pad is
not used as a global reset after con
fi
guration, this pad
can be used as a normal input pad.
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OR4E02-3BA352C 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 4992 LUT 405 I/O 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
OR4E02-3BM416C 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 4992 LUT 405 I/O 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
OR4E02-3BM680C 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 4992 LUT 405 I/O 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
OR4E04 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:ORCASeries 4 FPGAs
OR4E04-1BA3521 制造商:Rochester Electronics LLC 功能描述: 制造商:Lattice Semiconductor Corporation 功能描述: