Csrq Test - HP Series 37 Reference Manual

3000 series self test and maintenance mode

Table of Contents

Test Descriptions

Step 28. DMA Termination Status Test -

•

00 - count and end

•

11 - error

•

10 - count no end

•

01 - count subrecord

Step 29. DMA OBYTE Data Paths Test - Verifies that the LEFTOUT and RIGHTOUT registers

correctly unpack words into bytes.

Step 30. DMA IBYTE Data Paths Test - Verifies that the LEFTIN and RIGHTIN registers correctly

pack data bytes into words.

Step 32. DMA Timeout Test - Verifies that the DMA timeout abort functions correctly.

3.6 CSRQ TEST

This test section verifies the correct operation of the channel request logic.

Step 33. Device Request Test - Verifies that DEVRQ is correctly asserted from each of the following

inputs:

•

Parallel Poll

.. New Status

• CSRQDIS

•

DMINACT

• CIC

.. RIOC

.. OBSI

Step 34. Channel Request Test - Verifies that CHANRQ is correctly asserted from each of the

following inputs:

• DMINT

• PHIINT

• Parallel Poll

• DMIN

D~.10FF

SEP 84

3-7

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