BESTEK BNX-H81, User Manual

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NSP-20H8 comes with one System LED of which the status is programmable.
Table 1: Truth Table of System LED
STA_LED2 STA_LED1 STA_LED0 LED States
0 0 0 LED Off
0 0 1 Red
0 1 0 Red Blinking (Slowly)
0 1 1 Red Blinking (Quickly)
1 0 0 Reserved
1 0 1 Green Blinking (Slowly)
1 1 0 Green Blinking (Quickly)
1 1 1 Green
Table 2: Status LED Relative Register Mapping Table
Attribute Register(I/O) BitNum Value
STA_LED2 R/W 0xA02(Note1) 5(Note4) (Note7)
STA_LED1 R/W 0xA02(Note2) 4(Note5) (Note7)
STA_LED0 R/W 0xA01(Note3) 2(Note5) (Note7)
STA_LED2 R/W 0xA02(Note1) 5(Note4) (Note7)
5.2 System LED