MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 134

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

DMA
MC68HC708XL36
134
ADDRESS
ADDRESS
ADDRESS
CGMOUT
CGMOUT
CGMOUT
DATA
DATA
DATA
Figure 15. Multiple Byte/Word Transfer Timing: 25% DMA Bus Bandwidth
Figure 16. Multiple Byte/Word Transfer Timing: 50% DMA Bus Bandwidth
Figure 17. Multiple Byte/Word Transfer Timing: 67% DMA Bus Bandwidth
BUS
BUS
BUS
BUS
BUS
BUS
R/W
R/W
R/W
NOTE:
CPU-CONTROLLED BUS CYCLE
CPU-CONTROLLED BUS CYCLE
CPU-CONTROLLED BUS CYCLE
When two or more DMA channels have transfers pending, the CPU
executes at least one cycle between each DMA block length, even if the
DMA channels have 100% of the bus bandwidth.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
DMA
DMA-CONTROLLED BUS CYCLE
DMA-CONTROLLED BUS CYCLE
DMA-CONTROLLED BUS CYCLE
MOTOROLA
24-dma_b