4: Open-QTM 410 Carrier Board
Open-Q 410 Dev Kit User Guide
21
IMPORTANT NOTES:
1. If the battery input header is used as above, the ex12V DC power supply must still be connected on
the carrier board in order to keep the on-board +5V buck power supply operational.
2. See software release notes for the latest status of battery support in the 410 BSP. Otherwise, contact
Lantronix for assistance in enabling battery operation in your BSP.
Figure 8 – Battery Input Header
The pinout for the J1202 battery header is shown in the table below.
Table 3 – Battery Input Header Pinout
Pin#
Signal Name (J1202)
Description
1, 2
GND
Ground
3
BATT_THERM_CONN
Battery pack thermistor connection
4
BATT_ID
Battery pack ID connection
5, 6
VBATT_CONN_SENSE
Single cell battery pack positive connection
(3.7V typical)
4.4 Debug Serial UART over USB
The Open-Q
TM
410 Development Kit includes a debug serial UART connection over a micro-B USB connector
(J401), as shown below. The UART over USB connection is implemented using the FTDI FT234XD chip on the
carrier board. The user can have a functional serial terminal working on a PC by ensuring that the appropriate