Motorola PowerQUICC II MPC8280 Series Reference Manual page 577

Figure 14-1 shows the MPC8280's CPM block diagram.
To SIU
Interrupt
Controller
4 Timers
Parallel I/O Ports
Baud Rate Generators
1
2 MCCs
Serial Interface (SI), TC layer
Note
1
One MCC on the MPC8270 and MPC8275
3
MPC8280 only
14.2 Serial Configurations
The MPC8280 offers a flexible set of communications capabilities. A subset of the possible
configurations using an MPC8280 is shown in Table 14-1.
1
Application MCC1
ISDN router 4 E1
ATM switch
ATM access
E3 or E1's E3 or E1's ATM
GSM mobile E1's
switching center
MOTOROLA Chapter 14. Communications Processor Module Overview
Freescale Semiconductor, Inc.
60x Bus
Bus Interface
Peripheral Bus
3 FCCs 4 SCCs
Figure 14-1. CPM Block Diagram
Table 14-1. Possible MPC8280 Applications
MCC2 FCC1
4 E1 FEnet or ATM FEnet
ATM
ATM
FEnet or ATM
Backbone
For More Information On This Product,
Go to: www.freescale.com
Local Bus
Internal Bus
Dual-Port
RAM
2 SMCs SPI
3
, and Time-Slot Assigner (TSA)
FCC2 FCC3 SCC1 SCC2 SCC3 SCC4 SMC1 SMC2
UART UART UART UART
FEnet UART
FEnet FEnet
UART
10 M 10 M
HDLC HDLC
Serial Configurations
SDMA
Communications
Processor
ROM
I 2 C
14-3