EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 414

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Device Configuration Pins
11–54
Stratix III Device Handbook, Volume 1
nSTATUS
Table 11–14. Dedicated Configuration Pins on the Stratix III Device (Part 3 of 6)
Pin Name
User Mode
N/A
Configuration
Scheme
All
Bi-directional
open-drain
Pin Type
The device drives
after power-up and releases it after the POR
time.
During user mode and regular configuration,
this pin is pulled high by an external 10-kΩ
resistor.
This pin, when driven low by Stratix III,
indicates that the device is being initialized
and has encountered an error during
configuration.
Status output. If an error occurs during
configuration,
target device.
Status input. If an external source drives the
nSTATUS
initialization, the target device enters an error
state.
Driving
initialization does not affect the configured
device. If you use a configuration device,
driving
configuration device to attempt to configure
the device, but since the device ignores
transitions on
device does not reconfigure. To initiate a
reconfiguration,
nSTATUS
nSTATUS
pin low during configuration or
nSTATUS
nSTATUS
nCONFIG
Description
low will cause the
nSTATUS
low after configuration and
is pulled low by the
in user-mode, the
Altera Corporation
must be pulled low.
low immediately
November 2007