EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 415

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

Altera Corporation
November 2007
nSTATUS
(continued)
CONF_DONE
Table 11–14. Dedicated Configuration Pins on the Stratix III Device (Part 4 of 6)
Pin Name
User Mode
N/A
—
Configuration
Scheme
All
—
Bi-directional
open-drain
Pin Type
—
If V
the following could occur:
■
■
Status output. The target device drives the
CONF_DONE
configuration. Once all configuration data is
received without error and the initialization
cycle starts, the target device releases
CONF_DONE
Status input. After all data is received and
CONF_DONE
initializes and enters user mode. The
CONF_DONE
pull-up resistor in order for the device to
initialize.
Driving
and initialization does not affect the configured
device.
CCPGM
V
enough for the
function properly, and
driven low. When V
are ramped up, POR trips and
nSTATUS
expires.
V
high enough for the
to function properly. In this
situation,
logic high, triggering a
configuration attempt that would
fail because POR did not yet trip.
When V
up,
POR did not yet trip. When POR
trips after V
powered up,
and pulled high. At that point,
reconfiguration is triggered and the
device is configured.
Stratix III Device Handbook, Volume 1
CCPGM
CCPGM
CONF_DONE
nSTATUS
and V
.
pin must have an external 10-kΩ
pin low before and during
goes high, the target device
and V
and V
CCPD
Configuring Stratix III Devices
CCIO
is released after POR
nSTATUS
Description
CCPGM
and V
nSTATUS
is pulled low because
are not fully powered up,
CCIO
CCIO
low after configuration
nSTATUS
are powered high
and V
are not powered
CCIO
might appear
CCPGM
nSTATUS
is released
nSTATUS
are powered
CCIO
buffer to
and V
are
buffer
11–55
CCIO
is