SPRUJ17H March 2022 – October 2024 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1
Fragmented frames have a special CRC32. Each fragment CRC32 is based on the previous fragements, so a running total. In addition TX_CRC_HIGH is inverted for all fragments expect the last fragment. The final fragement has a normal CRC which is based on the full frame.