11
1-4. Functions of Onboard Switches and LED Indicators
1-4-1. AT-195 Board
Ref. No.
Name
Color
Description
Normal State
D505
Debug LED 4
Orange
Core 0 access lamp of the CPU
Blink
D506
Debug LED 3
Orange
Core 1 access lamp of the CPU
Blink
D507
Debug LED 2
Orange
Access lamp of eMMC
Blink
D508
Debug LED 1
Orange
Access lamp of SD Card (ROM30)
Off
A
1
2
3
B
D505
D506
D507
D508
AT-195 BOARD (A side)