MC68306 Motorola, MC68306 Datasheet - Page 53

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

MOTOROLA
FC2–FC0
BGACK
D15–D0
A31–A1
DTACK
UDS
R/W
LDS
CLK
BR
BG
AS
Figure 3-20. Three-Wire Bus Arbitration Timing Diagram—Special Case
BUS THREE-STATED
BG ASSERTED
BR VALID INTERNAL
BR SAMPLED
BR ASSERTED
S0
PROCESSOR
S2
S4
S6
MC68306 USER'S MANUAL
BUS RELEASED FROM THREE STATE AND
PROCESSOR STARTS NEXT BUS CYCLE
BGACK NEGATED INTERNAL
BGACK SAMPLED
BGACK NEGATED
ALTERNATE BUS MASTER
S0
S2
PROCESSOR
S4
S6
S0
3- 21