EP4CGX75DF27C7N Altera, EP4CGX75DF27C7N Datasheet - Page 230
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EP4CGX75DF27C7N
Manufacturer Part Number
EP4CGX75DF27C7N
Description
Cyclone IV GX
Manufacturer
Altera
Series
CYCLONE® IV GXr
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CGX75DF27C7N
Number Of Logic Elements/cells
73920
Number Of Labs/clbs
4620
Total Ram Bits
4257792
Number Of I /o
310
Number Of Gates
-
Voltage - Supply
1.16 V ~ 1.24 V
Mounting Type
*
Operating Temperature
0°C ~ 85°C
Package / Case
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP4CGX75DF27C7N
Manufacturer:
SONGCHUAN
Quantity:
1 000
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8–64
Table 8–18. Dedicated Configuration Pins on the Cyclone IV Device (Part 2 of 4)
Cyclone IV Device Handbook, Volume 1
CONF_DONE
nCE
nCEO
nCSO,
FLASH_nCE
Pin Name
option
option
Mode
is off.
N/A if
is on.
I/O if
User
N/A
N/A
I/O
Configuration
AS, AP
Scheme
All
All
All
(1)
Bidirectional
open-drain
open-drain
Pin Type
Output
Output
Input
Chapter 8: Configuration and Remote System Upgrades in Cyclone IV Devices
■
■
Driving CONF_DONE low after configuration and initialization
does not affect the configured device. Do not connect bus holds
or ADC to CONF_DONE pin.
Active-low chip enable. The nCE pin activates the Cyclone IV
device with a low signal to allow configuration. You must hold
nCE pin low during configuration, initialization, and user-mode.
In a single-device configuration, you must tie the nCE pin low.
In a multi-device configuration, nCE of the first device is tied
low while its nCEO pin is connected to nCE of the next device in
the chain. You must hold the nCE pin low for successful JTAG
programming of the device.
Output that drives low when configuration is complete. In a
single-device configuration, you can leave this pin floating or
use it as a user I/O pin after configuration. In a multi-device
configuration, this pin feeds the nCE pin of the next device. The
nCEO of the last device in the chain is left floating or used as a
user I/O pin after configuration.
If you use the nCEO pin to feed the nCE pin of the next device,
use an external 10-k pull-up resistor to pull the nCEO pin high
to the V
pull-up resistor.
If you use the nCEO pin as a user I/O pin after configuration, set
the state of the pin on the Dual-Purpose Pin settings.
Output control signal from the Cyclone IV device to the serial
configuration device in AS mode that enables the configuration
device. This pin functions as nCSO in AS mode and
FLASH_nCE in AP mode.
Output control signal from the Cyclone IV device to the parallel
flash in AP mode that enables the flash. Connects to the CE# pin
on the Numonyx P30 or P33 flash.
This pin has an internal pull-up resistor that is always active.
Status output—the target Cyclone IV device drives the
CONF_DONE pin low before and during configuration. After
all the configuration data is received without error and the
initialization cycle starts, the target device releases
CONF_DONE.
Status input—after all the data is received and CONF_DONE
goes high, the target device initializes and enters user mode.
The CONF_DONE pin must have an external 10-k pull-up
resistor in order for the device to initialize.
CCIO
voltage of its I/O bank to help the internal weak
Description
© December 2010 Altera Corporation
(1)
Configuration
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