mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 219

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

Bus Operation
7-64
BTTO THREE-STATE
BTTI
BTTO
IBR
BCLK
E3
E2
E4
D
Figure 7-42. MC68060-Arbitration Protocol State Diagram
G1
F2
EXPLICIT
Q
SNOOP
AM
E1
IMPLICIT
BTT
OWN
BR
E6
E5
M68060 USER’S MANUAL
D2
F3
F1
D1
BTTO
BCLK
BTTI
BTT
D4
IBR
BR
= INTERNAL BUS REQUEST SIGNAL
= EXTERNAL BUS REQUEST PIN
= INTERNAL BTT SAMPLED AS INPUT
= BTT DRIVEN INTERNALLY BY MC68060
= EXTERNAL BTT PIN
= VIRTUAL BUS CLOCK DERIVED FROM CLK AND CLKEN
IMPLICIT
AM
D3
D5
A3
A2
C2
EXPLICIT
OWN
RESET
C3
TENURE
END
C1
B3
B4
A1
MOTOROLA
B1
B2