FX2N-2DA的程序中TOP K1 K17 H0004 K1    BFM#17的b2位置1                                                                            H0004怎么代表#17的b2呢？
                                     TOP K1 K17 H0000 K1    BFM#17的b2位從1-0時，鎖存低8位數據                                   H0000怎么也代表#17的b2呢？
                                      。
                                      。
                                      。  
                                      。
                                      TOP K1 K17 H0002 K1   BFM#17的b1位置1                                                                               H0002怎么代表#17的b1呢？
                                     TOP K1 K17 H0000 K1    BFM#17的b1位從1-0是，通道1執行D/A轉換                                H0000和通道1 是怎么確認的
                                                                                  
                                                                                    我想請教H0000，H0002，H0004，和#17 寄存器的位有什么對應關系？  
                                                                                         看書上也沒有明白。希望指點一二。                

H4化為2進制是0100，#17的b2為1，H2化為2進制為0010，#17的b1.為1