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Signal Description
MOTOROLA
M68060 USER’S MANUAL
2-3
2.1 ADDRESS AND CONTROL SIGNALS
The following paragraphs describe the MC68060 address and control signals.
2.1.1 Address Bus (A31–A0)
These three-state bidirectional signals provide the address of the first item of a bus transfer
(except for interrupt acknowledge transfers) when the MC68060 is the bus master. When an
alternate bus master is controlling the bus and asserts the SNOOP signal, the address sig-
Figure 2-1. Functional Signal Groups
TEA
MC68060
VCC
GND
BUS ARBITRATION
CONTROL
BGR
BG
BB
BUS SNOOP CONTROL
SNOOP
INTERRUPT
CONTROL
IPL2
AVEC
IPEND
PROCESSOR
CONTROL
CDIS
RSTI
RSTO
CLKEN
CLK
TEST
THERM0
TMS
TCK
TDI
THERMAL RESISTOR
CONNECTIONS
THERM1
IPL1
IPL0
STATUS AND
CLOCKS
PST3
PST2
PST1
DATA BUS D31–D0
TRANSFER
ATTRIBUTES
MASTER
TRANSFER
CONTROL
A31–A0
ADDRESS BUS
AND CONTROL
TS
TIP
SLAVE
TRANSFER
CONTROL
R/W
LOCKE
CIOUT
TT1
TT0
TM2
TM1
TM0
TLN1
TLN0
UPA1
UPA0
SIZ1
SIZ0
LOCK
TA
MDIS
PST0
BS0
BS1
BS2
BS3
SAS
TCI
TRA
PST4
BTT
BR
CLA
TRST
TDO
POWER SUPPLY
TBI
JTAG
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