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
