CHAPTER 1 INTRODUCTION
Preliminary User’s Manual A14874EJ3V0UM
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1.6 Functional Differences Between NU85E and NB85E
Item
NU85E
NB85E
VSB data bus (n = 31 to 0)
VBDIn (input), VBDOn (output)
VBDn (input/output)
VMA27 to VMA0 (output)
VSA13 to VSA0 (input)
VBA27 to VBA0 (input/output)
VMTTYP1, VMTTYP0 (output)
VBTTYP1, VBTTYP0 (input/output)
VMSTZ (output)
VSSTZ (input)
VBSTZ (input/output)
VMBENZ3 to VMBENZ0 (output)
VSBENZ1 (input)
VBBENZ3 to VBBENZ0 (input/output)
VMSIZE1, VMSIZE0 (output)
VBSIZE1, VBSIZE0 (input/output)
VMWRITE (output)
VSWRITE (input)
VBWRITE (input/output)
VMLOCK (output)
VSLOCK (input)
VBLOCK (input/output)
VMCTYP2 to VMCTYP0 (output)
VBCTYP2 to VBCTYP0 (input/output)
VMSEQ2 to VMSEQ0 (output)
VBSEQ2 to VBSEQ0 (input/output)
VMBSTR (output)
VBBSTR (input/output)
VMWAIT (input)
VSWAIT (output)
VBWAIT (input/output)
VMLAST (input)
VSLAST (output)
VBLAST (input/output)
VMAHLD (input)
VSAHLD (output)
VBAHLD (input/output)
VDSELPZ (output)
VSSELPZ (input)
VDSELPZ (input/output)
VSB master/slave control pins
VDCSZ7 to VDCSZ0 (output)
VDCSZ7 to VDCSZ0 (input/output)
NPB data bus (n = 15 to 0)
VPDIn (input), VPDOn (output)
VPDn (input/output)
NPB data output bus control output pin
VPDV
(None)
VSB data output bus control output pin
VBDV
(None)
Bus access right request output pin
VAPREQ
(None)
Test mode status output pin
BUNRIOUT
(None)
VBDn (n = 31 to 0)
VBDIn, VBDOn
VBDn
VxTTYPn (n = 1, 0)
VMTTYPn
VBTTYPn
Input/output
timing
VxWAIT, VxLAST,
VxAHLD
VMWAIT, VMLAST, VMAHLD,
VSWAIT, VSLAST, VSAHLD
VBWAIT, VBLAST, VBAHLD
Pin status at
reset, during
idle
VxA27 to VxA0,
VxSIZE1, VxSIZE0,
VxSEQ2 to VxSEQ0,
VBD31 to VBD0
Low-level output
(VMA27 to VMA0, VMSIZE1, VMSIZE0,
VMSEQ2 to VMSEQ0, VBDO31 to
VBDO0)
Undefined
(VBA27 to VBA0, VBSIZE1, VBSIZE0,
VBSEQ2 to VBSEQ0, VBD31 to VBD0)