mc68307ad Freescale Semiconductor, Inc, mc68307ad Datasheet - Page 24

• Manufacturer Part Number: mc68307ad
• Description: Integrated Multiple-bus Processor
• Manufacturer: Freescale Semiconductor, Inc

24
ASYNCHRONOUS
NOTES:
1. Setup time (#47) for asynchronous inputs (HALT, RESET, BR, BGACK, DTACK) guarantees
2. BR need fall at this time only to ensure being recognized at the end of the bus cycle.
HALT / RESET
their recognition at the next falling edge of the clock.
LDS / UDS
(NOTE 2)
(NOTE 1)
CSx, AS
D15–D0
INPUTS
DTACK
A23–A1
R/W
CLK
BR
13
S0
Figure 8. Read Cycle Timing Diagram
MC68307 TECHNICAL INFORMATION
15
S1
8
32
11A
47
11
S2
9
6
S3
56
S4
47
14
S5
32
31
27
47
47
47
S6
S7
12
28
29A
29
MOTOROLA