各位大神:
我现在在学习ADIS16209的数据手册,尝试用FPGA读取芯片数据。小女子水平较差,英文版手册很多看不明白的地方,请问有哪位大神曾经用过这个芯片的,能帮帮我么?
比如说:Starting with the MSB of the upper byte, each output data register has the following bit sequence: new data (ND) flag, error/alarm (EA) flag, followed by 14 data bits. The data bits are LSB justified, and in the case of the 12-bit data formats, the remaining two bits are not used. The ND flag indicates that unread data resides in the output data registers. This flag clears and returns to 0 during an output register read sequence. It returns to 1 after the next internal sample update cycle completes. The EA flag indicates an error condition. The STATUS register contains all of the error flags and provides the ability to investigate the root cause.
时序图和这段文字一起理解的时候,,有点不明白到底是最高位和次高位为新数据标志位和错误标志位,还是最高位和最低位是呢?
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