Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:hardware_component
|
| gptkbp:canBe |
single-channel
multi-channel standalone chip integrated on-chip |
| gptkbp:category |
gptkb:architecture
gptkb:personal_computer data transfer |
| gptkbp:communicatesVia |
gptkb:microprocessor
memory peripheral devices |
| gptkbp:component |
gptkb:microprocessor
I/O subsystem |
| gptkbp:enables |
high-speed data transfer
|
| gptkbp:example |
gptkb:Intel_8237
AMD Am9517 Motorola MC6844 |
| gptkbp:fullName |
Direct Memory Access Controller
|
| gptkbp:function |
manages direct memory access operations
transfers data between memory and peripherals |
| gptkbp:hasInterrupt |
DMA interrupt
|
| gptkbp:hasRegister |
status register
count register address register control register |
| gptkbp:improves |
system performance
|
| gptkbp:introducedIn |
1970s
|
| gptkbp:mode |
burst mode
transparent mode cycle stealing mode |
| gptkbp:reduces |
CPU overhead
CPU intervention in data transfer |
| gptkbp:relatedTo |
gptkb:DMA_controller
bus mastering I/O controller peripheral controller |
| gptkbp:standardizedBy |
gptkb:IEEE
|
| gptkbp:supports |
asynchronous data transfer
synchronous data transfer |
| gptkbp:usedFor |
disk I/O
video data transfer audio data transfer network data transfer |
| gptkbp:usedIn |
embedded systems
microcontrollers computers PCI devices ISA devices |
| gptkbp:bfsParent |
gptkb:Memory-Mapped_Input/Output
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
DMA Controller
|