MC68HC08XL36 Datasheet, PDF (120/362 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

DMA
MC68HC08XL36
120
Freescale Semiconductor, Inc.
15
0
CHANNEL x SOURCE BASE ADDRESS
15
0
CHANNEL x DESTINATION BASE ADDRESS
7
0
CHANNEL x BYTE COUNT
–
–
+1
SOURCE ADDRESS
DESTINATION ADDRESS
7
0
CHANNEL x CONTROL
7
0
CHANNEL x BLOCK LENGTH
NOTE:
=?
When byte count = block length, the CPU
interrupt flag (IFCx) is set and the byte count
is reset.
If in loop mode (Lx = 1), leave TECx set.
If in finite transfer mode (Lx = 0), clear TECx.
Figure 5. Decremented Source and Decremented Destination
15
0
CHANNEL x SOURCE BASE ADDRESS
15
0
CHANNEL x DESTINATION BASE ADDRESS
7
0
CHANNEL x BYTE COUNT
+
+
+1
SOURCE ADDRESS
DESTINATION ADDRESS
7
0
CHANNEL x CONTROL
7
0
CHANNEL x BLOCK LENGTH
NOTE:
=?
When byte count = block length, the CPU
interrupt flag (IFCx) is set and the byte count
is reset.
If in loop mode (Lx = 1), leave TECx set.
If in finite transfer mode (Lx = 0), clear TECx.
Figure 6. Incremented Source and Incremented Destination
Direct Memory Access Module (DMA)
For More Information On This Product,
Go to: www.freescale.com
14-dma_b
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