EP4CE6E22C8N Altera, EP4CE6E22C8N Datasheet - Page 242

• Manufacturer Part Number: EP4CE6E22C8N
• Description: IC CYCLONE IV FPGA 6K 144EQFP
• Manufacturer: Altera
• Series: CYCLONE® IV Er

Specifications of EP4CE6E22C8N

• Number Of Logic Elements/cells: 6272
• Number Of Labs/clbs: 392
• Total Ram Bits: 270000
• Number Of I /o: 91
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 144-EQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -
• Lead Free Status / Rohs Status: Compliant

8–76
Table 8–22. Remote System Upgrade Current State Logic Contents In Status Register
Cyclone IV Device Handbook, Volume 1
Factory information
Application information 1
Application information 2
Notes to
(1) The remote system upgrade master state machine is in factory configuration.
(2) The remote system upgrade master state machine is in application configuration.
Remote System Upgrade
Master State Machine
Table 8–22
(1)
Table 8–22
remote system upgrade master state machine is in factory configuration or
application configuration accessing the factory information or application
information, respectively. The status register bit in
a 32-bit logic.
The previous two application configurations are available in the previous state
registers (previous state register 1 and previous state register 2), but only for
debugging purposes.
Table 8–23
the status register. The status register bit in
3-bit register. The previous state register 1 and previous state register 2 have the same
bit definitions. The previous state register 1 reflects the current application
configuration and the previous state register 2 reflects the previous application
configuration.
(2)
(2)
Register Bit
Status
31:30
29:24
31:30
31:30
29:24
lists the contents of previous state register 1 and previous state register 2 in
lists the contents of the current state logic in the status register, when the
23:0
28:0
23:0
29
Master state machine
current state
Reserved bits
Boot address
Master state machine
current state
User watchdog timer
enable bit
User watchdog timer
time-out value
Master state machine
current state
Reserved bits
Boot address
Definition
Chapter 8: Configuration and Remote System Upgrades in Cyclone IV Devices
The current state of the remote system upgrade
master state machine
Padding bits that are set to all 0’s
The current 24-bit boot address that was used by
the configuration scheme as the start address to
load the current configuration.
The current state of the remote system upgrade
master state machine
The current state of the user watchdog enable,
which is active high
The current entire 29-bit watchdog time-out value.
The current state of the remote system upgrade
master state machine
Padding bits that are set to all 0’s
The current 24-bit boot address that was used as the
start address to load the current configuration
Table 8–23
Table 8–22
shows the bit positions in a
Description
© December 2010 Altera Corporation
lists the bit positions in
Remote System Upgrade