ST STM32WL55JC Reference Manual page 1277

Advanced arm-based 32-bit mcus with sub-ghz radio solution
Table of Contents

Advertisement

RM0453
NSS
SCK
BSY
MOSI
SPE
TXE
FTLVL
00
MISO
RXNE
DMA or software control at Rx events
FRLVL
DMA Tx TICF
Assumptions for master full-duplex communication with CRC example:
Data size = 16 bit
CRC enabled
If DMA is used:
Number of Tx frames transacted by DMA is set to 2
Number of Rx frames transacted by DMA is set to 3
See also
and notes.
Serial peripheral interface / integrated interchip sound (SPI/I2S)
Figure 358. Master full-duplex communication with CRC
MSB
DTx1
3
Enable Tx/Rx DMA or interrupts
DTx2
DTx1
10
11
10
4
DRx1
1
00
5
: Communication diagrams on page 1274
2
MSB
DTx2
DMA or software control at Tx events
LSB
DRx2
LSB
DRx1
10
00
10
DMA Rx TICF
for details about common assumptions
RM0453 Rev 2
MSB
CRC
00
CRC
LSB
DRx2
DRx3
00
10
6
1
00
MSv32124V2
1277/1454
1315

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the STM32WL55JC and is the answer not in the manual?

This manual is also suitable for:

Stm32wl5 seriesStm32wl54 series

Table of Contents

Save PDF