AN2184 Freescale Semiconductor / Motorola, AN2184 Datasheet - Page 17

• Manufacturer Part Number: AN2184
• Description: MCF5272 Interrupt Service Routine for the Physical Layer Interface Controller
• Manufacturer: Freescale Semiconductor / Motorola

6.4.1 Transmit Sequence
Here is the transmit sequence of the GCI protocol using the GCI monitor channel transmit registers. The
flow chart is shown in Figure 13.
No
Figure 13. Monitor Channel Transmit Sequence Flow Diagram
Write into PnGMT
Yes
Write Value into
with R=1,L=1
Freescale Semiconductor, Inc.
PnGMT with
For More Information On This Product,
R=1,L=0
(ACK) =1
PnGMT
PGMTS
Start
End
R=0
Byte?
Last
MCF5272 Interrupt Service Routine
Yes
Yes
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No
Aperiodic Interrupt Process Monitor Channel Sequence
No
PASR (GMT) =0
PASR (GMT) =1
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