CHAPTER 6 DMA FUNCTIONS (DMA CONTROLLER)
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User’s Manual U14492EJ3V0UD
(10) TE state
The TE state corresponds to DMA transfer completion. Various internal signals are initialized (n = 0 to 3).
After entering the TE state, the bus invariably enters the TI state.
6.4.2 DMAC bus cycle state transition
Except for the block transfer mode, each time the processing for a DMA transfer is completed, the bus mastership
is released.
Figure 6-1. DMAC Bus Cycle (Two-Cycle Transfer) State Transition
TI
T0
T1R
T1RI
T2R
T1W
T2W
TE
TI
T2RI
T1WI
Содержание V850E/IA1 mPD703116
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