AN2184 Freescale Semiconductor / Motorola, AN2184 Datasheet - Page 20

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

6.6 Command Indicate Channel
This section details the channel for command indication.
6.6.1 Transmit Sequence
Figure 16 explains CI channel operation.
Aperiodic Interrupt Process Command Indicate Channel
20
PnGCIT (R=1, C3: C0)
Yes
Figure 16. CI Transmit Sequence Flow Diagram
Freescale Semiconductor, Inc.
Yes
Write CI into
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Process
(ACK)=1
PGCITS
PnGMT
Start
End
R=0
MCF5272 Interrupt Service Routine
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No
No
PASR (GCT) = 0
PASR (GCT)=1