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參數(shù)資料
| 型號： | EP1K10 |
| 廠商： | Altera Corporation |
| 英文描述： | ACEX 1K Programmable Logic Family(ACEX 1K 系列可編程邏輯) |
| 中文描述： | ACEX一千可編程邏輯系列（ACEX每1000系列可編程邏輯） |
| 文件頁數(shù)： | 23/84頁 |
| 文件大?。?/td> | 1366K |
| 代理商： | EP1K10 |
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Altera Corporation
23
Preliminary Information
ACEX 1K Programmable Logic Family Data Sheet
D
13
T
Clearable Counter Mode
The clearable counter mode is similar to the up/down counter mode, but
it supports a synchronous clear instead of the up/down control. The clear
function is substituted for the cascade-in signal in the up/down counter
mode. Two 3-input LUTs are used; one generates the counter data, and
the other generates the fast carry bit. Synchronous loading is provided by
a 2-to-1 multiplexer. The output of this multiplexer is
AND
ed with a
synchronous clear signal.
Internal Tri-State Emulation
Internal tri-state emulation provides internal tri-states without the
limitations of a physical tri-state bus. In a physical tri-state bus, the
tri-state buffers’ output enable (
OE
) signals select which signal drives the
bus. However, if multiple
OE
signals are active, contending signals can be
driven onto the bus. Conversely, if no
OE
signals are active, the bus will
float. Internal tri-state emulation resolves contending tri-state buffers to a
low value and floating buses to a high value, thereby eliminating these
problems. The MAX+PLUS II software automatically implements tri-state
bus functionality with a multiplexer.
Clear & Preset Logic Control
Logic for the programmable register’s clear and preset functions is
controlled by the
DATA3
,
LABCTRL1
, and
LABCTRL2
inputs to the LE. The
clear and preset control structure of the LE asynchronously loads signals
into a register. Either
LABCTRL1
or
LABCTRL2
can control the
asynchronous clear. Alternatively, the register can be set up so that
LABCTRL1
implements an asynchronous load. The data to be loaded is
driven to
DATA3
; when
LABCTRL1
is asserted,
DATA3
is loaded into the
register.
During compilation, the MAX+PLUS II Compiler automatically selects
the best control signal implementation. Because the clear and preset
functions are active-low, the Compiler automatically assigns a logic high
to an unused clear or preset.
The clear and preset logic is implemented in one of the following six
modes chosen during design entry:
I
I
I
I
I
I
Asynchronous clear
Asynchronous preset
Asynchronous clear and preset
Asynchronous load with clear
Asynchronous load with preset
Asynchronous load without clear or preset
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP1K100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Programmable Logic Device Family |
| EP1K100FC256-1 | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - ACEX 1K 624 LABs 186 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1K100FC256-1N | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - ACEX 1K 624 LABs 186 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1K100FC256-2 | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - ACEX 1K 624 LABs 186 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1K100FC256-2N | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - ACEX 1K 624 LABs 186 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-256 |
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