參數(shù)資料
型號(hào)： EPC2TC32N
廠商： Altera
文件頁(yè)數(shù)： 2/26頁(yè)
文件大?。?/td> 0K
描述： IC CONFIG DEVICE 1.6MBIT 32-TQFP
產(chǎn)品培訓(xùn)模塊： Three Reasons to Use FPGA's in Industrial Designs
標(biāo)準(zhǔn)包裝： 250
系列： EPC
可編程類(lèi)型： 系統(tǒng)內(nèi)可編程
存儲(chǔ)容量： 1.6Mb
電源電壓： 3 V ~ 3.6 V，4.75 V ~ 5.25 V
工作溫度： 0°C ~ 70°C
封裝/外殼： 32-TQFP
供應(yīng)商設(shè)備封裝： 32-TQFP（7x7）
包裝： 托盤(pán)
其它名稱(chēng)： 544-1377
EPC2TC32N-ND
Page 10
Power and Operation
Configuration Devices for SRAM-Based LUT Devices
January 2012
Altera Corporation
that the FPGA has not configured successfully. EPC1 and EPC2 devices wait for
16 DCLK cycles after the last configuration bit was sent for the CONF_DONE pin to reach a
high state. In this case, the configuration device pulls its OE pin low, which in turn
drives the target device’s nSTATUS pin low. Configuration automatically restarts if the
Auto-restart configuration on error
option is turned on in the Quartus II software
from the General tab of the Device & Pin Options dialog box or the MAX+PLUS II
software’s Global Project Device Options dialog box (Assign menu).
In addition, if the FPGA detects a cyclic redundancy check (CRC) error in the received
data, it will flag the error by driving the nSTATUS signal low. This low signal on
nSTATUS
drives the OE pin of the configuration device low, which resets the
configuration device. CRC checking is performed when configuring all Altera FPGAs.
3.3-V or 5.0-V Operation
Power the EPC1, EPC2, and EPC 1441 configuration device at 3.3 V or 5.0 V. For each
configuration device, an option must be set for the 3.3-V or 5.0-V operation.
For EPC1 and EPC1441 configuration devices, 3.3-V or 5.0-V operation is controlled
by a programming bit in the .pof. The Low-Voltage mode option in the Options tab of
the Configuration Device Options dialog box in the Quartus II software or the Use
Low-Voltage Configuration EPROM
option in the Global Project Device Options
dialog box (Assign menu) in the MAX+PLUS II software sets this parameter. For
example, EPC1 devices are programmed automatically to operate in 3.3-V mode when
configuring FLEX 10KA devices, which have a VCC voltage of 3.3 V. In this example,
the EPC1 device’s VCC pin is connected to a 3.3-V power supply.
For EPC2 devices, this option is set externally by the VCCSEL pin. In addition, the EPC2
device has an externally controlled option, set by the VPPSEL pin, to adjust the
programming voltage to 5.0 V or 3.3 V. The functions of the VCCSEL and VPPSEL pins
are described below. These pins are only available in the EPC2 devices.
■ VCCSEL
pin—For EPC2 configuration devices, 5.0-V or 3.3-V operation is controlled
by the VCCSEL option pin. The device functions in 5.0-V mode when VCCSEL is
connected to GND and 3.3-V mode when VCCSEL is connected to VCC.
■ VPPSEL
pin—The VPP programming power pin of the EPC2 device is normally tied
to VCC. For EPC2 devices operating at 3.3 V, it is possible to improve ISP time by
setting VPP to 5.0 V. For all other configuration devices, VPP must be tied to VCC.
The VPPSEL pin of the EPC2 device must be set in accordance with the VPP pin of
the EPC2 device. If the VPP pin is supplied by a 5.0-V power supply, VPPSEL must
be connected to GND and if the VPP pin is supplied by a 3.3-V power supply,
VPPSEL
must be connected to VCC.
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