参数资料
型号: MC68EC000EI8
厂商: Freescale Semiconductor
文件页数: 7/26页
文件大小: 0K
描述: IC MPU 32BIT 85MHZ 68-PLCC
标准包装: 18
系列: M680x0
处理器类型: M680x0 32-位
速度: 8MHz
电压: 3.3V,5V
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC(25x25)
包装: 管件
MOTOROLA
M68000 USER’S MANUAL ADDENDUM
15
Figure 10. MC68SEC000 Write Cycle Timing Diagram
6A
8
6
15
13
9
14
12
17
18
47
28
25
26
48
47
30
47
32
56
47
32
S0
S1
S2
S3
S4
S5
S6
CLK
FC2–FC0
A23–A0
AS
LDS / UDS
R/W
DTACK
DATA OUT
BERR / BR
(NOTE 2)
HALT / RESET
47
ASYNCHRONOUS
INPUTS
(NOTE 1)
S7
23
7
11
9
53
7
55
21
22
20
11A
21A
NOTES:
1. Timing measurements are referenced to and from a low voltage of 0.8 V and a high voltage of 2.0 V,
unless otherwise noted. The voltage swing through this range should start outside and pass through the
range such that the rise or fall is linear between 0.8 V and 2.0 V.
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
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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