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EPC16 Datasheet(PDF) 12 Page - Altera Corporation

Part No. EPC16
Description  Enhanced Configuration (EPC) Devices Datasheet
Download  36 Pages
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Manufacturer  ALTERA [Altera Corporation]
Direct Link  http://www.altera.com
Logo ALTERA - Altera Corporation

EPC16 Datasheet(HTML) 12 Page - Altera Corporation

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Page 12
Functional Description
Enhanced Configuration (EPC) Devices Datasheet
January 2012
Altera Corporation
Figure 3 shows the schematic for configuring multiple FPGAs concurrently in the PS
mode using an EPC device.
Figure 3. Concurrent Configuration of Multiple FPGAs in PS Mode (n = 8)
Notes to Figure 3:
(1) Connect VCC to the same supply voltage as the EPC device.
(2) The nINIT_CONF pin is available on EPC devices and has an internal pull-up resistor that is always active. This means an external pull-up
resistor is not required on the nINIT_CONF or nCONFIG signal. The nINIT_CONF pin does not need to be connected if its functionality is not
used. If nINIT_CONF is not used, nCONFIG must be pulled to VCC either directly or through a resistor.
(3) The EPC devices’ OE and nCS pins have internal programmable pull-up resistors. If internal pull-up resistors are used, external pull-up resistors
should not be used on these pins. The internal pull-up resistors are used by default in the Quartus II software. To turn off the internal pull-up
resistors, check the Disable nCS and OE pull-ups on configuration device option when generating programming files.
(4) For PORSEL, PGM[], and EXCLK pin connections, refer to Table 10 on page 24.
(5) In the 100-pin PQFP package, you must externally connect the following pins: C-A0 to F-A0, C-A1to F-A1, C-A15 to F-A15, C-A16 to F-A16,
and BYTE# to VCC. Additionally, you must make the following pin connections in both 100-pin PQFP and 88-pin UFBGA packages: C-RP# to F-
RP#
, C-WE# to F-WE#, TM1 to VCC, TM0 to GND, and WP# to VCC.
(6) Connect the FPGA MSEL[] input pins to select the PS configuration mode. For more information, refer to the configuration chapter in the
appropriate device handbook.
(7) To protect Intel Flash based EPC devices content, isolate the VCCW supply from VCC. For more information, refer to “Intel Flash-Based EPC Device
Protection” on page 16.
DCLK
DATA0
nSTATUS
CONF_DONE
nCONFIG
VCC
GND
(3)
nCE
(3)
FPGA0
VCC
DCLK
DATA0
nCONFIG
nCE
DCLK
DATA0
GND
GND
FPGA1
FPGA7
EPC Device
DCLK
DATA0
OE
nCS
nINIT_CONF (2)
WE#C
RP#C
WE#F
RP#F
A[20..0]
RY/BY#
CE#
OE#
DQ[15..0]
DATA1
nSTATUS
CONF_DONE
nSTATUS
CONF_DONE
nCONFIG
nCE
DATA 7
N.C.
N.C.
N.C.
N.C.
N.C.
(3)
(3)
EXCLK
PORSEL
PGM[2..0]
GND
TMO
WP#
VCC
VCCW
BYTE# (5)
TM1
C-A0 (5)
C-A1 (5)
C-A15 (5)
C-A16 (5)
A0-F
A1-F
A15-F
A16-F
MSEL
MSEL
MSEL
n
n
n
(6)
(6)
(6)
(1)
(1)
nCEO
N.C.
nCEO
N.C.
nCEO
N.C.
(1)
(4)
(4)
(4)
VCC (7)


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