Motorola PowerQUICC II MPC8280 Series Reference Manual page 649

Pins
8
5
These two address bits relate to the
master of FCC1 or FCC2 according
to the programming. Bit 4 is the msb.
8
5
Figure 16-5. Connection of the Master Address
• For slave mode—The user has two groups of five address pins each. The user
decides which FCC uses each pin by programming CMXUAR[SADx]. Connect any
UTOPIA pins that are not connected to MPC8280 pins to GND. See Figure 16-6.
These 5 address bits relate to the
slave of FCC1 or FCC2 according to
the programming. Bit 4 is the msb.
NOTE: To use FCC2 as shown, connect the FCC2 address bits reversed with
respect to the pinout address indexes. PHY address pins with no pin
connection should be connected to GND.
Figure 16-6. Connection of the Slave Address
MOTOROLA
Freescale Semiconductor, Inc.
These three bits always relate
to an FCC1 master.
0
1
2
4 3
4
3
2
1
0
These three bits always relate
to FCC2 master
Pins
8
5
8
5
Chapter 16. CPM Multiplexing
For More Information On This Product,
Go to: www.freescale.com
5
5
5
5
5
5
5
5
0
4
1
3
2
2
3
1
4
0
CMX Registers
FCC1
M
S
M
S
FCC2
M
S
M
S
FCC1
5
M
5
S
5
M
5
S
FCC2
5
M
5
S
5
M
5
S
16-9