EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 324

• Manufacturer Part Number: EP3C16F256I7N
• Description: Cyclone III
• Manufacturer: Altera

Configuring Cyclone III Devices
10–88
Cyclone III Device Handbook, Volume 1
MSEL[3..0]
nCONFIG
Table 10–20. Cyclone III Configuration Pin Summary (Part 2 of 2)
Table 10–21. Dedicated Configuration Pins on the Cyclone III Device (Part 1 of 7)
Bank
6
6
6
6
5
5
Pin Name
Description
DEV_CLRn
DEV_OE
N/A
N/A
User Mode
nAVD
nOE
nWE
RDY
Table 10–21
required to be connected properly on your board for successful
configuration. Some of these pins may not be required for your
configuration schemes.
All
All
Configuration
Scheme
Input/Output
describes the dedicated configuration pins, which are
Output
Output
Output
Input
Input
Input
Input
Input
Pin Type
Dedicated Powered By
4-bit configuration input that sets the
Cyclone III device configuration scheme.
Some of the smaller devices or package
options do not support the AP configuration
scheme and do not have the
Refer to
connections.
These pins must be hard-wired to V
GND.
The
pull-down resistors that are always active.
Configuration control input. Pulling this pin low
during user-mode will cause the Cyclone III
device to lose its configuration data, enter a
reset state, and tri-state all I/O pins. Returning
this pin to a logic high level will initiate a
reconfiguration.
MSEL[3..0]
Table 10–1
V
V
V
V
V
V
C C I O
C C I O
C C I O
C C I O
C C I O
C C I O
Altera Corporation-Preliminary
Description
pins have internal 5-kΩ
for the appropriate
Configuration Mode
Optional, AP
Optional, AP
MSEL[3]
AP
AP
AP
AP
March 2007
C C I O
pin.
or