EP3C16F256I7 Altera, EP3C16F256I7 Datasheet - Page 325

• Manufacturer Part Number: EP3C16F256I7
• Description: Cyclone III
• Manufacturer: Altera

Altera Corporation-Preliminary
March 2007
nSTATUS
CONF_DONE
Table 10–21. Dedicated Configuration Pins on the Cyclone III Device (Part 2 of 7)
Pin Name
N/A
N/A
User Mode
All
All
Configuration
Scheme
Bidirectional
open-drain
Bidirectional
open-drain
Pin Type
The Cyclone III device drives
immediately after power-up and releases it
after the POR time.
Status output. If an error occurs during
configuration,
target device.
Status input. If an external source (for
example, another Cyclone III device) drives
the
initialization, the target device enters an error
state.
Driving
initialization does not affect the configured
device. If a configuration device is used,
driving
configuration device to attempt to configure
the device, but since the device ignores
transitions on
device does not reconfigure. To initiate a
reconfiguration,
Status output. The target Cyclone III device
drives the
during configuration. Once all configuration
data is received without error and the
initialization cycle starts, the target device
releases
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.
nSTATUS
Cyclone III Device Handbook, Volume 1
nSTATUS
nSTATUS
CONF_DONE
CONF_DONE
CONF_DONE
pin must have an external 10 KΩ
goes high, the target device
nSTATUS
nSTATUS
pin low during configuration or
nCONFIG
Description
low will cause the
Device Configuration Pins
low after configuration and
low after configuration
.
pin low before and
in user-mode, the
is pulled low by the
must be pulled low.
nSTATUS
10–89
low