Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 160)

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101

W90P710CD/W90P710CDG

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BITS DESCRIPTIONS

[31:5] Reserved -

[3:2] BistFail

The BIST Fail indicates if the BIST test fails or succeeds. If the

BistFail is low at the end, the embedded SRAM pass the BIST test,

otherwise, it is faulty. The BistFail will be high once the BIST

detects the error and remains high during the BIST operation. If

BistFail[2] high indicates the embedded SRAM for TxFIFO BIST

test failed. If BistFail[3] high indicates the embedded SRAM for

RxFIFO BIST test failed.

The BistFail is a write clear field. Write 1 to this field clears the

content and write 0 has no effect.

[1] Finish

The BIST Operation Finish indicates the end of the BIST

operation. When BIST controller finishes all operations, this bit will

be high.

The Finish is a write clear field. Write 1 to this field clears the

content and write 0 has no effect.

[0] BMEn

The BIST Mode Enable is used to enable the BIST operation. If

high enables the BIST controller to do embedded SRAM test. This

bit is also used to do the reset for BIST circuit. It is necessary to

reset the BIST circuit one clock cycle at least in order to initialize

the BIST properly.

The BMEn can be disabled by write 0.

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 551 552

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Rainbow-electronics W90P710CDG Manual de usuario Pagina 160

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