EP3C16F256I7N Altera, EP3C16F256I7N Datasheet - Page 352

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

Remote System Upgrade With Cyclone III Devices
12–12
Cyclone III Device Handbook, Volume 1
Note to
(1)
Wd_timer[11..0]
Ru_address[21..0]
Rsv1
Wd_en
Osc_int
Cd_early
Rsv2
Table 12–3. Remote System Upgrade Control Register Contents
Control Register Bit
Option bit for the application configuration.
Table
(1)
(1)
12–3:
12'b000000000000
22'b0000000000000000000000
1'b0
1'b1
1’b1
1’b1
1'b1
Remote System Upgrade Status Register
The remote system upgrade status register specifies the reconfiguration
trigger condition. The various trigger and error conditions include:
■
■
■
■
■
CRC (cyclic redundancy check) error during application
configuration
nSTATUS assertion by an external device due to an error
Cyclone III device logic array triggered a reconfiguration cycle,
possibly after downloading a new application configuration image
External configuration reset (nCONFIG) assertion
User watchdog timer time out
Value
User watchdog time-out value (most significant
12 bits of 29-bit count value:
{Wd_timer[11..0],17'b0}
AS and AP configuration address (most
significant 22 bits of 24-bit boot address value:
boot_address[23:0]
{Ru_address[21..0],2'b0}
Reserved bit
User watchdog timer enable bit
Internal oscillator as startup state machine clock
enable bit
Early
Reserved bit
CONF_DONE
Altera Corporation-Preliminary
check
Definition
=
)
)
March 2007