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EPCS4

Serial Configuration (EPCS) Devices

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Page 4

Active Serial FPGA Configuration

Figure 2 shows the configuration of an FPGA device in the AS configuration scheme

with an EPCS device using a download cable.

Figure 2. Altera FPGA Configuration in AS Mode Using a Download Cable (1), (4)

VCC (1) VCC (1) VCC (1)

10 kΩ 10 kΩ

10 kΩ

EPCS Device (2)

DATA

DCLK

nCS

ASDI

Altera FPGA

CONF_DONE

nSTATUS

nCONFIG

nCEO

N.C.

10 kΩ

nCE

DATA0

DCLK

nCSO

ASDO

MSEL[]

(3)

Pin 1

VCC (1)

Notes to Figure 2:

(1) For more information about the VCC value, refer to the configuration chapter in the appropriate device handbook.

(2) EPCS devices cannot be cascaded.

(3) Connect the MSEL[] input pins to select the AS configuration mode. For more information, refer to the configuration chapter in the appropriate

device handbook.

(4) For more information about configuration pin I/O requirements in an AS configuration scheme for an Altera FPGA, refer to the configuration

chapter in the appropriate device handbook.

Serial Configuration (EPCS) Devices Datasheet

April 2014 Altera Corporation

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