寄存器的只写属性设计的意义是什么？为什么要设计一个寄存器之只能写不能读？

[Transistor-red]

R:	Read only.
W:	One time programmable and not readable.
R/W:	One time programmable and readable.
W/E:	Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and not readable.
R/W/E:	Multiple writable with value kept after power failure, H/W reset assertion and any CMD0 reset and readable.
R/W/C_P:	Writable after value cleared by power failure and HW/rest assertion (the value not cleared by CMD0 reset) and readable.
R/W/E_P:	Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and readable.
W/E_P:	Multiple writable with value reset after power failure, H/W reset assertion and any CMD0 reset and not readable.

最近在读协议的时候看到寄存器的属性表，关于只能写不能读的部分十分不解，有大神能讲讲为什么会有这样的设计吗

[CSDN-Ada助手]

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