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參數資料
| 型號： | EP20K200 |
| 廠商： | Altera Corporation |
| 英文描述： | Programmable Logic Device Family |
| 中文描述： | 可編程邏輯器件系列 |
| 文件頁數： | 48/117頁 |
| 文件大?。?/td> | 570K |
| 代理商： | EP20K200 |
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48
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
For designs that require both a multiplied and non-multiplied clock, the
clock trace on the board can be connected to
CLK2p
.
Table 14
shows the
combinations supported by the ClockLock and ClockBoost circuitry. The
CLK2p
pin can feed both the ClockLock and ClockBoost circuitry in the
APEX 20K device. However, when both circuits are used, the other clock
pin (
CLK1p
) cannot be used.
APEX 20KE ClockLock Feature
APEX 20KE devices include an enhanced ClockLock feature set. These
devices include up to four PLLs, which can be used independently. Two
PLLs are designed for either general-purpose use or LVDS use (on devices
that support LVDS I/O pins). The remaining two PLLs are designed for
general-purpose use. The EP20K200E and smaller devices have two PLLs;
the EP20K300E and larger devices have four PLLs.
The following sections describe some of the features offered by the
APEX 20KE PLLs.
External PLL Feedback
The ClockLock circuit’s output can be driven off-chip to clock other
devices in the system; further, the feedback loop of the PLL can be routed
off-chip. This feature allows the designer to exercise fine control over the
I/O interface between the APEX 20KE device and another high-speed
device, such as SDRAM.
Clock Multiplication
The APEX 20KE ClockBoost circuit can multiply or divide clocks by a
programmable number. The clock can be multiplied by
m
/(
n
×
k
) or
m
/(
n
×
v
), where
m
and
k
range from 2 to 160, and
n
and
v
range from 1 to
16. Clock multiplication and division can be used for time-domain
multiplexing and other functions, which can reduce design LE
requirements.
Table 14. Multiplication Factor Combinations
Clock 1
Clock 2
×
1
×
1
×
2
×
4
×
1
, ×
2
×
1
, ×
2
, ×
4
相關PDF資料 |
PDF描述 |
|---|---|
| EP20K200E | Programmable Logic Device Family |
| EP20K300E | Programmable Logic Device Family |
| EP20K30E | Programmable Logic Device Family |
| EP20K400 | Programmable Logic Device Family |
| EP20K400E | Programmable Logic Device Family |
相關代理商/技術參數 |
參數描述 |
|---|---|
| EP20K200BC356-1 | 功能描述:FPGA - 現場可編程門陣列 CPLD - APEX 20K 832 Macro 277 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 |
| EP20K200BC356-1ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FPGA |
| EP20K200BC356-1X | 功能描述:FPGA - 現場可編程門陣列 CPLD - APEX 20K 832 Macro 277 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 |
| EP20K200BC356-2 | 功能描述:FPGA - 現場可編程門陣列 CPLD - APEX 20K 832 Macro 277 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數量: 邏輯塊數量:943 內嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數量: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 |
| EP20K200BC356-2ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FPGA |
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