Mc68040-Arbitration Protocol State Diagram - Motorola M68060 User Manual

SNOOP
G1
E2
AM
EXPLICIT
E3
E4
F2
BBI
BBO THREE-STATE
BBO
IBR
D Q
BCLK
Figure 7-41. MC68040-Arbitration Protocol State Diagram
MOTOROLA
D1
D2
E1
D6
D4
E6
E5
F1
IMPLICIT
OWN
F3
BB
BR
= INTERNAL BUS REQUEST SIGNAL
IBR
= EXTERNAL BUS REQUEST PIN
BR
BBI = INTERNAL BB SAMPLED AS INPUT
BBO = BB DRIVEN INTERNALLY BY MC68060
BB = EXTERNAL BB PIN
BCLK = VIRTUAL BUS CLOCK DERIVED FROM CLK AND CLKEN
M68060 USER'S MANUAL
D3
AM
IMPLICIT
D5
C2
A3
A2
Bus Operation
C1
END
TENURE
C3
B1
B3
EXPLICIT
B2
OWN
B4
RESET
A1
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