Altera Remote Update IP Core User Manual
Page 37
read_
para
m
write
_
para
m
read_source param
Remote Update Operation
data_out
width
(bits)
MSM Mode
0
1
[00]
[011] Write the watchdog enable bit.
All parameters can be written in factory
mode only.
1
Factory
0
1
[00]
[100] Write application boot address.
All parameters can be written in factory
mode only.
22
Factory
0
1
[00]
[110] Write to force the internal oscillator as
startup state machine clock. All parameters
can be written in factory mode only.
1
Factory
1
0
[11]
[001] Read the early
confdone
check bits
1
Factory
1
0
[11]
[010] Read watchdog time-out value
12
Factory
1
0
[11]
[011] Read watchdog enable bit
1
Factory
1
0
[11]
[100] Read boot address
22
Factory
1
0
[11]
[110] Read to check whether the internal oscillator
is set as startup state machine clock
1
Factory
read_source
The following table lists the details for
read_source
.
read_source
specifies whether a parameter value is
read from the current or a previous state. When you trigger the read operation, all contents in status
register or input register latched to the
data_out
node in the Altera Remote Update IP core.
Table 14: read_source
read_source
Description
00
Current state contents in status register
01
Previous state register 1 contents in status register
10
Previous state register 2 contents in status register
11
Current contents is in input register
State Register
The previous state register 1 reflects the current application configuration and the previous state register 2
reflects the previous application configuration.
UG-31005
2015.04.07
Remote Update Operation
37
Altera Remote Update IP Core User Guide
Altera Corporation