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CHAPTER 1 FR FAMILY OVERVIEW
1.2 Sample Configuration of an FR Family Device
FR family devices have block configuration with bus connections between individual
modules. This enables module connections to be altered as necessary to accommodate
a wide variety of functional configurations.
Figure 1.2-1 shows an example of the configuration of an FR family device.
■ Sample Configuration of an FR Family Device
Figure 1.2-1 Sample Configuration of an FR Family Device
FR family CPU
Low speed
peripherals
Low speed
peripherals
Low speed
peripherals
Low speed
peripherals
Internal bus interface
Integrated bus
User bus interface General-purpose port
Mandatory: Standard in all models
Option: Not included in some models
Peripheral bus
Instruction bus
Instruction cache
Data bus
High speed
peripherals
Data cache
ROM
DMAC
RAM