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Table 4–28. Microcontroller Interface Connections for Motorola Mode (16 bits)
TCM4300
TERMINAL
MICROCONTROLLER TERMINAL
MTS1, MTS0 Tie to logic levels: high and low, respectively
MCCSH Not on microcontroller; can be used for address decoding
MCCSL Not on microcontroller (68000, 68008) CS1, CS2, or CS3 (68302)
MCD7–MCD0 D[7:0] data bus on microcontroller
MCA4–MCA0 A[4:0] (68008)
[]( )
A[5:1] (68000, 68302)
MCRW R/W
MCDS DS active-low data strobe (68008)
LDS (active
-
low data strobe) (68000 68302) MCDS configured to active
-
low operation by MTS1
LDS
(
ac
ti
ve-
l
ow
d
a
t
a s
t
ro
b
e
)
(68000
,
68302)
MCDS
con
fi
gure
d
t
o ac
ti
ve-
l
ow opera
ti
on
b
y
MTS1
and MTS0.
MWBDFINT IACK7, IACK6, or IACK1 (68302)
,, ()
Not on microcontroller (68000, 68008)
DINT Either one of INT3 through INT0 as appropriate