NXP Semiconductors K32 L2A Series, Reference Manual, Page: 783 / 1379

29.2.15 Transmit Data Register (LPSPIx_TDR)
Writes to either the Transmit Command Register or Transmit Data Register will push the
data into the transmit FIFO in the order it was written.
Address: Base a 64h offset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
W
DATA
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LPSPIx_TDR field descriptions
Field Description
DATA Transmit Data
Both 8-bit and 16-bit writes of transmit data will zero extend the data written and push the data into the
transmit FIFO.
Chapter 29 Low Power Serial Peripheral Interface (LPSPI)
K32 L2A Reference Manual, Rev. 2, 01/2020
NXP Semiconductors 783