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UM-B-041
SmartBond Production Line Tool
User Manual
Revision 4.8
02-Nov-2022
CFR0012
142 of 170
© 2022 Renesas Electronics
Appendix L Connecting DUT with Battery Supply
Wiring connections to a battery powered DUT is described in Section 5.4
Example connections can
1. Four wires are mandatory for the connection:
○
Common Ground
○
UART Tx
○
UART Rx
○
Reset line
2.
‘VBAT
On with
Reset’
mode is the only mode supporting battery powered DUTs since
POR
cannot be performed. For the PLT to perform a reset on the DUTs, the VBAT line of each DUT
connector must be connected to the reset line of the DUT.
3. Current measurement is not supported since there is no way to measure the current of the DUTs.
To have the least possible wiring connections, UART Rx line can be used as input GPIO for the
pulse used during the XTAL Trim procedure.