Z80 DMA

GPTKB entity

Statements (40)
Predicate Object
gptkbp:instanceOf gptkb:DMA_controller
gptkbp:busCompatibility Z80 bus
gptkbp:category Integrated circuits
Microprocessor support chips
gptkbp:compatibleWith gptkb:Z80_CPU
gptkb:Z80_CTC
gptkb:Z80_SIO
Z80 PIO
gptkbp:controls gptkb:WAIT
WR
INT
RD
READY
RESET
BUSACK
BUSREQ
IORQ
MREQ
gptkbp:datasheet https://www.zilog.com/docs/z80/ps0180.pdf
gptkbp:designedFor gptkb:Z80_family
gptkbp:function Direct Memory Access
https://www.w3.org/2000/01/rdf-schema#label Z80 DMA
gptkbp:introducedIn 1977
gptkbp:manufacturer gptkb:Zilog
gptkbp:memoryBusWidth 16-bit
8-bit
gptkbp:mode burst mode
cycle-steal mode
demand mode
single transfer mode
gptkbp:operatingSystem 5V
gptkbp:speed 4 MHz
gptkbp:supports I/O-to-memory transfer
memory-to-I/O transfer
memory-to-memory transfer
gptkbp:type 40-pin DIP
gptkbp:usedIn Z80-based computer systems
gptkbp:bfsParent gptkb:Z84C138
gptkb:Z84C181
gptkbp:bfsLayer 7