NXP Semiconductors
TR1329
Systems & Applications
TR1329
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User Manual
Rev. 01.20
— 31 January 2018
12 of 19
2.3.3 LEDs
The LEDs on the Board can be used to evaluate the status of the Board. Fig 7 shows all
the LEDs on the Board, and Table 7 sums up the meaning of each LED.
Fig 7.
LEDs on the Board
Table 7.
Descriptions of LEDs
LED
Description
LED1
TJA1100 3V3 Power Supply Status (ON: 3V3 is present)
LED2
TJA1100 Local Wake-up Status (Flashing: a Local Wake-up is detected)
LED3
TJA1100 Battery Power Supply Status (ON: Battery is present)
LED4
TJA1100 1V8 Digital Power Supply Status (ON: 1V8 is present)