
–
33
Reset RX
Mode timer
Receive
Mode
AND the Command
Byte with Output
Mask creating
Output Byte
Are any bits
in the Output
Byte high?
Yes
No
Is the LATCH
line high?
XOR Output Byte
with current status
line output states
Output the Output
Byte on the status
lines
Send the
confirmation packet
Set to
Receive Mode
Yes
No
Yes
Any valid data?
Go to
Mode
Select
Yes
No
Did the
RX Mode
timer timeout?
No
Yes
Was the
received packet
targeted?
Does the
target address
match the local
address?
Yes
No
Is Confirm
enabled?
Yes
No
Set to
Transmit Mode
Output TXID,
received Data byte,
and CstmData byte
on the SER_IO line
Is Confirm
enabled?
Yes
No
Assemble the
confirmation packet
Figure 27: MT Series Transcoder Receive Flowchart