Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:DMA_controller
|
| gptkbp:channelNumber |
4
|
| gptkbp:controlSignal |
gptkb:AEN_(Address_Enable)
gptkb:HLDA_(Hold_Acknowledge) gptkb:HRQ_(Hold_Request) gptkb:IOW_(I/O_Write) gptkb:MARK gptkb:MEMR_(Memory_Read) gptkb:MEMW_(Memory_Write) gptkb:TC_(Terminal_Count) IOR (I/O Read) READY |
| gptkbp:function |
gptkb:Direct_Memory_Access_(DMA)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Intel 8257
|
| gptkbp:introducedIn |
1977
|
| gptkbp:manufacturer |
gptkb:Intel
|
| gptkbp:maximumSpeed |
1.6 MB/s
|
| gptkbp:memoryBusWidth |
16-bit
8-bit |
| gptkbp:operatingSystem |
+5V
|
| gptkbp:speed |
3 MHz
|
| gptkbp:status |
discontinued
|
| gptkbp:supports |
I/O-to-memory transfer
memory-to-I/O transfer memory-to-memory transfer |
| gptkbp:technology |
NMOS
|
| gptkbp:type |
40-pin DIP
|
| gptkbp:usedFor |
gptkb:Intel_8086
gptkb:Intel_8085 |
| gptkbp:bfsParent |
gptkb:HMOS
|
| gptkbp:bfsLayer |
6
|