NXP Semiconductors
UM11036
Point of Sales (POS) Reader Solution - Quick Start Guide
UM11036
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© NXP Semiconductors N.V. 2017. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.2 — 7 February 2017
406512
30 of 56
In order to use this board and display the printf messages from the software, the TWR-
SER module has to be inserted in the POS-RDR-SLN Kit. As for the other modules, the
primary and secondary interfaces have to match the right side of the TWR-ELEV boards.
Fig 37. TWR-SER in the POS-RDR-SLN Kit
Once inserted, the Serial port seen in Fig 37 has to be connected to a computer COM
port. On the computer, open a COM port terminal, with a speed of 115200 bps, and the
data will be displayed as the software runs.
