參數(shù)資料
型號: XC68307FG8V
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16.67 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 18/35頁
文件大?。?/td> 172K
代理商: XC68307FG8V
MOTOROLA
MC68307 TECHNICAL INFORMATION
25
Figure 9. Write Cycle Timing Diagram
8
15
13
9
14
12
17
18
47
28
25
26
48
47
32
56
47
32
S0
S1
S2
S3
S4
S5
S6
CLK
A23–A1
CSx, AS
LDS / UDS
R/W
DTACK
D15–D0
BR
(NOTE 3)
HALT / RESET
47
ASYNCHRONOUS
INPUTS
(NOTE 1)
S7
23
7
11
9
53
55
21
22
20
11A
2. Because of loading variations, R/W may be valid after AS even though both are initiated by the rising edge
of S2 (specification #20A).
14A
20A
NOTES:
1. Setup time (#47) for asynchronous inputs (HALT, RESET, BR, BGACK, DTACK) guarantees
their recognition at the next falling edge of the clock.
3. BR need fall at this time only to ensure being recognized at the end of the bus cycle.
(NOTE 2)
15A
6
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