Fujitsu MB91460 SERIES FR60 User Manual page 393

MB91460
Read cycle
I-bus
D-bus
MB91460
Read cycle
I-bus
D-bus
MB91460
Read cycle
I-bus
D-bus
■ Flow of Data During Fly-By Transfer
Figure 5-2"Examples of Fly-By Transfer" shows examples of two types of transfer during fly-by transfer.
Built-in I/O area => internal RAM area transfer
DMAC
X-bus
Bus controller
Data buffer
F-bus
RAM IO
Internal RAM area => external area transfer
DMAC
X-bus
Bus controller
Data buffer
F-bus
RAM IO
Internal RAM area => built-in I/O area transfer
DMAC
X-bus
Bus controller
Data buffer
F-bus
RAM IO
MB91460
DMAC
Write cycle
I-bus
Bus controller
D-bus
Data buffer
F-bus
RAM
MB91460
DMAC
Write cycle
I-bus
Bus controller
D-bus
Data buffer
F-bus
RAM
MB91460
DMAC
Write cycle
I-bus
Bus controller
D-bus
Data buffer
F-bus
RAM
Chapter 26 DMA Controller
5.Data Bus
X-bus
IO
X-bus
IO
X-bus
IO
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