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Bluemoon-EVB
Hardware V1.1.0
Chapter 7 Trouble Shoot
MCU-UM-510106-E-10
– Page 30
7 Trouble Shoot
Trouble Shoot
In this section, some probable cause of trouble has been listed, as well as some suggestions.
1. EV board power on, D2 is dark.
Be sure strobe J4.
2.
Serial programming can’t download firmware.
Be sure strobe J4, J5, selected J6 pin2 and pin3, selected J7 pin2 and pin3.
3. K1 is useless.
When system reset or wake up the MCU from low power consumption mode,
don’t touch the K1.
If battery power supply, adjustment TSC key sensitivity. Refer to
MCU-UM-
510107-E-10-Bluemoon-EVB_FW.docx
4.
Don’t exit the test mode.
Be sure the system don’t enter low power consumption mode in test mode.
5. The current in low power consumption mode.
See as
chapter 5.4 (Temperature Sample)
.
Don’t weld R47, R48, the current only 1.6uA.
6. RTC calibration.
Refer to
MB9AFA32N RTC
校准仪简易使用手册
7. Power on, the EV Board does not work.
Be sure does not strobe J5.