ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 265 -
Revision 2.4
[10]
LSB
LSB First
0 = The MSB is transmitted/received first (which bit in SPI1_TX0/1 and
SPI1_RX0/1 register that is depends on the TXBITLEN field).
1 = The LSB is sent first on the line (bit 0 of SPI1_TX0/1), and the first bit
received from the line will be put in the LSB position in the Rx register (bit 0
of SPI1_RX0/1).
[9:8]
TXNUM
Transmit/Receive Word Numbers
This field specifies how many transmit/receive word numbers should be
executed in one transfer.
00 = Only one transmit/receive word will be executed in one transfer.
01 = Two successive transmit/receive word will be executed in one
transfer.
10 = Reserved.
11 = Reserved.