Data bus – FUJITSU MB91460 SERIES FR60 User Manual
Page 392

376
Chapter 26 DMA Controller
5.Data Bus
5. Data Bus
This section shows the flow of data during 2-cycle transfer and fly-by transfer.
■
Flow of Data During 2-Cycle Transfer
Figure 14.5-1 shows examples of six types of transfer during 2-cycle transfer.
Figure 5-1 Examples of 2-Cycle Transfer (Continued on next page)
DMAC
D-bus
X-bus
I-bus
F-bus
D-bus
X-bus
I-bus
F-bus
D-bus
X-bus
I-bus
F-bus
D-bus
X-bus
I-bus
F-bus
D-bus
X-bus
I-bus
F-bus
D-bus
X-bus
I-bus
F-bus
RAM
CPU
MB91460
Read cycle
Read cycle
Read cycle
IO
Bus controller
DMAC
RAM
CPU
MB91460
Data buffer
Bus controller
Data buffer
Write cycle
Write cycle
Write cycle
IO
DMAC
RAM
CPU
MB91460
IO
DMAC
RAM
CPU
MB91460
IO
DMAC
RAM
CPU
MB91460
IO
DMAC
RAM
CPU
MB91460
IO
External area => external area transfer
External area => internal RAM area transfer
External area => built-in I/O area transfer
Bus controller
Data buffer
Bus controller
Data buffer
Bus controller
Data buffer
Bus controller
Data buffer
External bus I/F
External bus I/F
External bus I/F
External bus I/F
External bus I/F
External bus I/F
- XG Series P3NK-4452-01ENZD (614 pages)
- FPCAC14C (1 page)
- MCJ3230SS (161 pages)
- MBA3073NC (138 pages)
- T5140 (76 pages)
- T5140 (102 pages)
- MAM3367MC/MP (152 pages)
- MPC3045AH (185 pages)
- MB2142-02 (23 pages)
- MB15F86UL (6 pages)
- MHS2030AT (40 pages)
- MHW2100BS (296 pages)
- MHK2060AT (227 pages)
- Disk Drives MHK2060AT (227 pages)
- MCM3064SS (170 pages)
- Mainboard D1561 (45 pages)
- MHC2040AT (219 pages)
- D1961 (45 pages)
- DISK DRIVES MHM2100AT (231 pages)
- MHR2010AT (250 pages)
- MHZ2120BJ (320 pages)
- MCE3064AP (175 pages)
- LQFP-64P (16 pages)
- Solaris PCI GigabitEthernet 3.0 (115 pages)
- MAY2036RC (94 pages)
- MAB3091 (142 pages)
- MPE3XXXAT (191 pages)
- MHV2040AH (40 pages)
- MHW2040AC (278 pages)
- ETERNUSmgr P2X0-0202-01EN (64 pages)
- VSS Hardware Provider 2.1 (134 pages)
- MAG3182FC (61 pages)
- MAU3147NC/NP (130 pages)
- MAX3147RC (94 pages)
- MHV2160BT (296 pages)
- MHV2040AT (280 pages)
- MAW3300NC/NP (130 pages)
- DeskPower E623 (50 pages)
- MAG3182LC (133 pages)
- OPTICAL DISK DRIVES MDG3064UB (42 pages)
- MHF2021AT (225 pages)
- MHR2040AT (40 pages)
- Single Drive FTM7926FB (1 page)
- PG-FCS103 (98 pages)
- MAS3735FC (114 pages)