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53
NISE 505 User Manual
Appendix B: EC Command Documentation
1. HW Monitor
1.1 Command Register and Address Description:
Command for HW monitor:
Command
Description
0x80
Read
Address for HW monitor:
Address
Description
0xB5-0xB6
VCC5 (MSB: 0xB5 LSB: 0xB6) (Decimal point two)
0xB7-0xB8
VCC3 (MSB: 0xB7 LSB: 0xB8 ) (Decimal point two)
0xB9-0xBA
VCORE (MSB: 0xB9 LSB: 0xBA) (Decimal point two)
0xBB-0xBC
TEMP_SENSOR (MSB: 0xBB LSB: 0xBC)
1.2 Read HW Monitor Description:
This command is to read HW monitor.
Sequence to read HW monitor:
Step
Action
Description
RW Sample Code
Command
0
Wait IBF clear
x
1
Write 0x80 to 0x66
Send read command >o 0x66 0x80
2
Wait IBF clear
x
3
Write RAM address
to 0x62 port
Send HW monitor
address 0xB3~0xC0
>o 0x62 0xB5
4
Wait OBF set
x
5
Read 0x62 port
Get HW monitor
data in current
address
>i 0x62
