Copyright © 2019 NEXCOM International Co., Ltd. All Rights Reserved.
56
NISE 505 User Manual
Appendix B: EC Command Documentation
Complete command set sequence:
Further Description
Command
Address
Data
Set watchdog
interval, write to
address 0x50~0x53
and Data
“00000190”
1>o 0x66 0x89 2>o 0x62 0x50 3>o 0x00
4>o 0x66 0x89 5>o 0x62 0x51 6>o 0x00
7>o 0x66 0x89 8>o 0x62 0x52 9>o 0x01
10>o 0x66 0x89 11>o 0x62 0x53 12>o 0x90
3.3 Reset Watchdog Time Interval Description:
This command is used to reset watchdog time.
Sequence to reset watchdog time interval:
Step
Action
Description
RW Sample Code
Command
0
Wait IBF clear
x
1
Write 0x2A to
0x66
Send reset watchdog
command
>o 0x66 0x2A
2
Wait OBF set
x
3
Read 0x62 port
If setup is successful,
EC will return 0x03.
x
(check 0x03 output
on display)
3.4 Start Watchdog Description:
Step
Action
Description
RW Sample Code
Command
0
Wait IBF clear
x
1
Write 0x28 to
0x66
Send start watchdog
command
>o 0x66 0x28
2
Wait IBF clear
x
3
Write 0x01 to
0x62
>o 0x62 0x01
(check 0x03 output
on display)
4
Wait OBF set
x
5
Read 0x62 port
If setup is successful,
EC will return 0x01.
x
(check 0x01 output
on display)
3.5 Stop Watchdog Description:
Step
Action
Description
RW Sample Code
Command
0
Wait IBF clear
x
1
Write 0x29 to
0x66
Send stop watchdog
command
>o 0x66 0x29
2
Wait OBF set
x
3
Read 0x62 port
If setup is successful,
EC will return 0x02.
x
(check 0x02 output
on display)
