The definition and usage of the DMAcontrol registers is useful to the programming of other peripherals.
该实例中控制寄存器的定义和引用可用于对其他片内外设的编程。
2
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.