Part Number: DS90UB914A-Q1
I have a question.
Can I change the MODE or OEN in the register, write the setting bits such as MODE_10-bit mode OEN_select at the same time with the override bit?
Register 0x1F has bits that allow these override settings and select bit that actually sets.
For example, if OEN is enabled, if 0x0C is written to register 0x1F, will OEN be valid?
I want to know whether the setting will be reflected even if setting bit and override bit are written at the same time.
Similarly, for BIST of register 0x24, can I write bit3 BIST Pin Configuration and bit0 BIST Enable at the same time?
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In reply to Palaniappan Manickam:
Thank you for your support.
I have an additional question.
When 954 is allowed overriding OEN and OSS select coming from Pins by writting 1 to register 0x1f , 954 does not accept change of OEN and OSS_SEL pin.
Is this correct?
In reply to Tomoaki Yoshida91:
Yes, I 'm testing this on the 914A EVM.
I have no issue.
In our customer's normal usage, these are controlled by external pins from the microcontroller.
However, it seems that there are cases where you override in registers for testing etc.
At that time, external terminals may be changed after setting in the register, so it is desirable to ignore the setting change of the external terminal after override setting.
I confirmed that setting of external pin is ignored after register override in BIST mode. after previous post.
So, I think that external pins are ignored after register setting.
Is it correct?
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