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The Question for ADuC7020 download program

Question asked by on Nov 29, 2015
Latest reply on Dec 1, 2015 by RAnslow

we adopted ADuC7020 and ADM101E for the program download from Keil to ADuC7020.The schematic of circuit as follows:


when we download the program to the chip.we turn BM/P0.0 from high level to low level,as shown from 1 to 2 in Figure.but the software ARMWSD show the follows:


program can not download to chip,and false code are displayed in the panel.


what's wrong with our schematic,can you give me some suggestion,thanks.