When compiling and downloading Z-Stack code with the IAR debugger it can displays the chip version register. In the debugger the chip revision can be checked in the registers window (View->Registers). The version information can be found in R6. 0x00 - Rev A; 0x01 - Rev B; 0x02 - Rev C; 0x03 - Rev D; and 0x04 - Rev E.


The chip revision can also be read directly from the packet.
Rev D: Q62930.11, QK0538, QK0539, QK2443, QK2444, and QK8850
Rev C: Q62930.8, Q62930.9, and Q62930.10
Rev B: Q62181, Q62404, Q62413, Q62445, QG5890 and QH4888
All other lot codes are rev E