EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 757
![IC STRATIX FPGA 20K LE 484-FBGA](/photos/6/72/67258/544-484-fbga_sml.jpg)
EP1S20F484C6N
Manufacturer Part Number
EP1S20F484C6N
Description
IC STRATIX FPGA 20K LE 484-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S20F484C6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
361
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Part Number:
EP1S20F484C6N
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Altera Corporation
July 2005
nCE
nCEO
MSEL
nCONFIG
nSTATUS
CONF_DO
NE
DCLK
DATA0
Table 11–12. Dedicated Configuration Pin Connections During JTAG Configuration
Signal
On all Stratix and Stratix GX devices in the chain,
ground, pulling it low via a resistor, or driving it by some control circuitry. For devices that are also
in multi-device PS, FPP or PPA configuration chains, the
during JTAG configuration or JTAG configured in the same order as the configuration chain.
On all Stratix and Stratix GX devices in the chain,
nCE
These pins must not be left floating. These pins support whichever non-JTAG configuration is used
in production. If only JTAG configuration is used, you should tie both pins to ground.
nCONFIG
to V
Pull to V
nSTATUS
configuration indicates that an error has occurred.
Pull to V
CONF_DONE
JTAG configuration indicates successful configuration.
Should not be left floating. Drive low or high, whichever is more convenient on your board.
Should not be left floating. Drive low or high, whichever is more convenient on your board.
C C
of the next device. See
, pulling high via a resistor, or driven by some control circuitry.
C C
C C
must be driven high through the JTAG programming process. Driven high by connecting
pin should be pulled up to V
via a 10-k resistor. When configuring multiple devices in the same JTAG chain, each
via a 10-k resistor. When configuring multiple devices in the same JTAG chain, each
pin should be pulled up to V
Stratix and Stratix GX devices have dedicated JTAG pins. You can
perform JTAG testing on Stratix and Stratix GX devices before and after,
but not during configuration. The chip-wide reset and output enable pins
on Stratix and Stratix GX devices do not affect JTAG boundary-scan or
programming operations. Toggling these pins does not affect JTAG
operations (other than the usual boundary-scan operation).
When designing a board for JTAG configuration of Stratix and Stratix GX
devices, you should consider the regular configuration pins.
shows how you should connect these pins during JTAG configuration.
JTAG Programming & Configuration of Multiple Devices
When programming a JTAG device chain, one JTAG-compatible header,
such as the ByteBlasterMV header, is connected to several devices. The
number of devices in the JTAG chain is limited only by the drive capacity
of the download cable. However, when more than five devices are
connected in a JTAG chain, Altera recommends buffering the TCK, TDI,
and TMS pins with an on-board buffer.
nCE
pin description above.
C C
individually.
C C
Description
individually.
nCE
nCEO
nSTATUS
Configuring Stratix & Stratix GX Devices
should be driven low by connecting it to
can be left floating or connected to the
nCE
CONF_DONE
Stratix Device Handbook, Volume 2
pins should be connected to GND
pulling low in the middle of JTAG
going high at the end of
Table 11–12
11–39
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