CPU2 to CPU1 status register
CH1F | processor 2 transmit to process 1 Receive channel 1 status flag |
CH2F | processor 2 transmit to process 1 Receive channel 2 status flag |
CH3F | processor 2 transmit to process 1 Receive channel 3 status flag |
CH4F | processor 2 transmit to process 1 Receive channel 4 status flag |
CH5F | processor 2 transmit to process 1 Receive channel 5 status flag |
CH6F | processor 2 transmit to process 1 Receive channel 6 status flag |