Zilog Z16C30 Manual de usuario Pagina 121

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 208
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 120
6-2
Z16C30 USC
®
USER'S MANUAL
UM97USC0100
ZILOG
6.2 FLYBY VS. FLOWTHROUGH DMA OPERATION (Continued)
DMAC
Memory Device
data
REQ
DMAC
Memory Device
data
REQ
Address
Memory Location
Data Register in Device
/RD
Data
from Memory
to DMAC
from DMAC
to Device
/WR
If that's enough data for now
if the device wants more data
DMA Request
(e.g., /TxREQ)
Figure 6-1. Flowthrough DMA Transfer, Memory to Peripheral Device
UM009402-0201
Vista de pagina 120
1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 207 208

Comentarios a estos manuales

Sin comentarios