Hi,
Rappid bootloader currently does not support MPC5644A. Copied from release notes:
RAppID Boot Loader Utility
Version 1.6.4.17 Release Notes
Targets Supported by RBA: MPC5534, MPC5601/2D, MPC5602/3/4BC, MPC5605/6/7B, MPC564xB/C, MPC567xF, MPC567xK,
MPC5605/6/7BK, MPC564xL, MPC5604/3P, PXR40xx, PXS20xx, PXS30xx.
Targets Supported by RBF: MPC574xP, S12ZVM, KV10, MC56F82xx
Targets Supporting Serial communication: All
Targets Supporting CAN communication: MPC5534, MPC567xK, MPC564xL, MPC5601/2D, MPC5602/3/4BC,
MPC5605/6/7BK, MPC56075/6/7B, MPC564xB/C, MPC5604/3P, S12ZVM,
PXS20xx, PXS30xx.
Best Regards,
Lukas