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A- 4 M68040 USER’S MANUAL MOTOROLA
MDIS
MC68LC040
VCC
GND
BUS ARBITRATION
BG
BR
BB
BUS SNOOP CONTROL 
AND RESPONSE
M I
INTERRUPT 
CONTROL
IPL0
AVEC
IPEND
PROCESSOR 
CONTROL
CDIS
RSTI
RSTO
PCLK
BCLK
TEST
TRST
TMS
TCK
TDI
POWER SUPPLY
TDO
SC0
SC1
IPL1
IPL2
STATUS AND 
CLOCKS
PST0
PST1
PST2
DATA BUS D31–D0
TRANSFER
ATTRIBUTES
MASTER
TRANSFER
CONTROL
A31–A0
ADDRESS
BUS
TS
TIP
TCI
SLAVE
TRANSFER
CONTROL
TEA
TBI
R/W
LOCKE
CIOUT
TT0
TT1
TM0
TM1
TM2
TLN0
TLN1
UPA0
UPA1
SIZ0
SIZ1
LOCK
TA
PST3
JS0
Figure A-3. MC68LC040 Functional Signal Groups
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