1. DESCRIPTION....................................................................................................................................1
2. FEATURES .........................................................................................................................................1
3. BLOCK DIAGRAM .............................................................................................................................2
4. PIN ASSIGNMENT .............................................................................................................................3
5. PIN DESCRIPTION.............................................................................................................................4
6. FUNCTIONAL DESCRIPTION...........................................................................................................6
6.1 CPU Interface Circuit..................................................................................................................6
6.2 Internal Registers........................................................................................................................6
6.3 Port Interface Circuit...................................................................................................................6
6.4 DMA Control Circuit....................................................................................................................6
7. FUNCTION OF REGISTERS..............................................................................................................8
7.1 List of Registers ..........................................................................................................................8
7.2 List of Registers/Bits...................................................................................................................9
7.3.4 Reset (RESET) W......................................................................................................12
7.3.23 Test (TEST) R(/W) ...................................................................................................20
7.4 SCSI Control Commands .........................................................................................................20
Rev.1.1
CONTENTS
EPSON
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