Fujitsu MB96300 series Hardware Manual page 349

MB96300 Super Series Hardware Manual
Table 12.4-1 Recommended state of external bus pins
Pin name Status
during external bus
access
AD[07:00] pause between two
external bus accesses
Hold-state
during external bus
access
AD[15:08]
pause between two
external bus accesses
Hold-state
during external bus
access
A[07:00] pause between two
external bus accesses
Hold-state
during external bus
access
A[15:08] pause between two
external bus accesses
Hold-state
during external bus
access
A[23:16] pause between two
external bus accesses
Hold-state
during external bus
access
pause between two
ECLK
external bus accesses
Hold-state
during external bus
access
RDY pause between two
external bus accesses
Hold-state
during external bus
access
WRH
pause between two
external bus accesses
Hold-state
during external bus
access
WRL/WR pause between two
external bus accesses
Hold-state
during external bus
access
RD pause between two
external bus accesses
Hold-state
8-bit 16-bit
non-multiplexed non-multiplexed
used for data
used for data
not used
used for address output (if enabled in EBAE0)
Hi-Z
used for address output (if enabled in EBAE1)
Hi-Z
used for address output (if enabled in EBAE2)
Used for external bus clock output (depends on EBCF: CKE and CKI)
Used for external bus clock output (depends on EBCF: DIV,CKE, CKI and CSM)
EBCF:CSM='0' and EBCF:CKE='1': Used for external bus clock output
EBCF:CSM='1' or EBCF:CKE='0': Hi-Z
not used (outputs '1' if used for WRH output (if
enabled in enabled in
EBCS:WRHE) EBCS:WRHE)
outputs '1' if enabled in EBCS:WRHE
used for WRL/WR output (if enabled in EBCS:WRLE)
used for RD output (if enabled in EBCS:RDE)
CHAPTER 12 EXTERNAL BUS INTERFACE
Operation mode
8-bit
multiplexed
used for address output (if enabled in EBAE0)
Hi-Z
used for address output
(if enabled in EBAE1)
Hi-Z Hi-Z
Hi-Z
RDY input function
(if enabled by EBCF:RYE)
not used (outputs '1' if
enabled in
EBCS:WRHE)
Hi-Z
outputs '1' if enabled in EBCS:WRLE
Hi-Z
outputs '1' if enabled in EBCS:RDE
Hi-Z
16-bit
multiplexed
used for data
used for data
used for address output (if
enabled in EBAE1)
Hi-Z
not used
not used
used for WRH output (if
enabled in EBCS:WRHE)
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