To minimize the problems from manually putting the device into bootloader mode you should connect DTR to GPIO0 and RTS to REST pin as suggested in CHERTS Eclipse DevKit: viewtopic.php?f=9&t=820
To minimize the problems from manually putting the device into bootloader mode you should connect DTR to GPIO0 and RTS to REST pin as suggested in CHERTS Eclipse DevKit: viewtopic.php?f=9&t=820