參數(shù)資料
型號(hào)： EP2C20F256I6N
廠商： ALTERA CORP
元件分類： FPGA
英文描述： FPGA, 1196 CLBS, PBGA256
封裝： LEAD FREE, FBGA-256
文件頁數(shù)： 142/168頁
文件大?。?/td> 2206K
代理商： EP2C20F256I6N
Altera Corporation
3–1
February 2007
3. Configuration & Testing
IEEE Std. 1149.1
(JTAG) Boundary
Scan Support
All Cyclone II devices provide JTAG BST circuitry that complies with
the IEEE Std. 1149.1. JTAG boundary-scan testing can be performed
either before or after, but not during configuration. Cyclone II devices can
also use the JTAG port for configuration with the Quartus II software or
hardware using either Jam Files (.jam) or Jam Byte-Code Files (.jbc).
Cyclone II devices support IOE I/O standard reconfiguration through the
JTAG BST chain. The JTAG chain can update the I/O standard for all
input and output pins any time before or during user mode through the
CONFIG_IO instruction. You can use this capability for JTAG testing
before configuration when some of the Cyclone II pins drive or receive
from other devices on the board using voltage-referenced standards.
Since the Cyclone II device might not be configured before JTAG testing,
the I/O pins may not be configured for appropriate electrical standards
for chip-to-chip communication. Programming the I/O standards via
JTAG allows you to fully test I/O connections to other devices.
f
For information on I/O reconfiguration, refer to the MorphIO: An I/O
Reconfiguration Solution for Altera Devices White Paper.
A device operating in JTAG mode uses four required pins:
TDI, TDO, TMS,
and
TCK. The TCK pin has an internal weak pull-down resister, while the
TDI and TMS pins have weak internal pull-up resistors. The TDO output
pin and all JTAG input pin voltage is determined by the VCCIO of the bank
where it resides. The bank VCCIO selects whether the JTAG inputs are 1.5-,
1.8-, 2.5-, or 3.3-V compatible.
1
Stratix II, Stratix, Cyclone II and Cyclone devices must be
within the first 8 devices in a JTAG chain. All of these devices
have the same JTAG controller. If any of the Stratix II, Stratix,
Cyclone II or Cyclone devices are in the 9th of further position,
they fail configuration. This does not affect Signal Tap II.
CII51003-2.2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP2C20F256I8 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone II 1172 LABs 152 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F256I8GA 制造商:Altera Corporation 功能描述:
EP2C20F256I8N 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone II 1172 LABs 152 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F484C6 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone II 1172 LABs 315 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EP2C20F484C6N 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone II 1172 LABs 315 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
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