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FPC-N64 User Manual
2.2.6 LED
PWR LED: If the light is on, the system is successfully started; If the light is off,
the system is turned off.
ERR LED: User can define by themselves.
SS LED: User can define by themselves.
TX LED: If R1 sends data, TX1 flashes; if R2 sends data, TX2 flashes.
RX LED: If R1 receives data, RX1 flashes; if R2 receives data, RX2 flashes.
Figure 2-11 LED
2.2.7 Debug
CONN, Pin header,1 x 4 x 2.0, TH. User can view the debug message and use
keyboard to input debug command. It's TTL level, so we need a Uart-debug
board when we use it.
Figure 2-12 Debug board
Pin 1
Table 2-7 Pin description of debug board
Pin
Description
1
3.3V
8
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