6-9
Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
Transfer using primary data structure
Transfer using alternate data structure
(cycle_ctrl = 0x4, 2R = 4, N = 16)
Task A setting
Task A
Task B setting
Task B
Task C setting
Task C
Task D setting
Termination
DMA transfer request
DMA transfer request
Auto-request
Copy the data structure for
Task A to the alternate data structure.
DMA transfer
completion interrupt
(cycle_ctrl = 0x5, 2R = 4, N = 3)
(cycle_ctrl = 0x5, 2R = 2, N = 8)
(cycle_ctrl = 0x5, 2R = 8, N = 5)
Copy the data structure for
Task B to the alternate data structure.
(cycle_ctrl = 0x1, 2R = 4, N = 4)
Auto-request
Auto-request
Copy the data structure for
Task C to the alternate data structure
Copy the data structure for
Task D to the alternate data structure.
Figure 6.5.4.2 Memory Scatter-Gather Transfer Operation Example
Summary of Contents for S1C31D50
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