參數資料
型號： AM85C30-8
廠商： Advanced Micro Devices, Inc.
英文描述： Enhanced Serial Communications Controller
中文描述： 增強的串行通信控制器
文件頁數： 24/68頁
文件大?。?/td> 553K
代理商： AM85C30-8
AMD
24
Am85C30
Interrupt Acknowledge Cycle Timing
NO TAG illustrates Interrupt Acknowledge cycle timing.
Between the time
INTACK
goes Low and the falling
edge of
RD
, the internal and external IEI/IEO daisy
chains settle. If there is an interrupt pending in the ESCC
and IEI is High when
RD
falls, the Acknowledge cycle is
intended for the SCC. In this case, the ESCC may be
programmed to respond to
RD
Low by placing its inter-
rupt vector on D
7
–D
0
; it then sets the appropriate Inter-
rupt-Under-Service latch internally.
Address Valid
Data Valid
A/
B
, D/
C
INTACK
CE
WR
D
7
–D
0
Figure 10. Read Cycle Timing
10216F-14
Address Valid
Data Valid
A/
B
, D/
C
INTACK
CE
WR
D
7
–D
0
Figure 11. Write Cycle Timing
10216F-15
Vector
INTACK
RD
D
7
–D
0
Figure 12. Interrupt Acknowledge Cycle Timing
10216F-16
相關PDF資料
PDF描述
AM85C30-8BQA Enhanced Serial Communications Controller
AM8T-1203SC 8 watt dc-dc converters
AM8T-1205DC 8 watt dc-dc converters
AM8T-1205SC 8 watt dc-dc converters
AM8T-1212DC 8 watt dc-dc converters
相關代理商/技術參數
參數描述
AM85C30-8/BQA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller
AM85C30-8/BUA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller
AM85C30-8BQA 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Enhanced Serial Communications Controller
AM85C30-8BUA 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Enhanced Serial Communications Controller
AM85C308JC 制造商:AMD 功能描述:*
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