(2)双缓冲方式 9 0 DAC083201) 12 OA oUTI CS ILE XFER WR, WR2 CS 11917218 ILE 9 DAC0832) 12 OA OUT2 ILE XFER WR, WR 11917218 ER 9 DAC0832(3) OA ouT3 CS ILE XFER WR, WR2 J19728 CS WR（2）双缓冲方式