參數(shù)資料
型號: 83C196EA
廠商: Intel Corp.
英文描述: CHMOS 16-Bit Microcontroller(CHMOS型 16位微控制器)
中文描述: CHMOS 16位微控制器(CHMOS型16位微控制器)
文件頁數(shù): 33/46頁
文件大?。?/td> 376K
代理商: 83C196EA
ADVANCE INFORMATION
27
83C196EA
— AUTOMOTIVE
6.4
Deferred Bus Timing Mode
Deferred Bus Cycle Mode: This bus mode (enabled
by setting CCB1.5) reduces bus contention when
using the
83C196EA
in demultiplexed mode with
slow memories. As shown in
Figure 8
, a delay of 2t
occurs in the first bus cycle following a chip-select
output change and the first write cycle following a
read cycle
.
Figure 8. Deferred Bus Mode Timing Diagram
CLKOUT
ALE
RD#
A3246-02
T
WHLH
+ 2t
T
RHLH
+ 2t
T
AVRL
+ 2t
T
AVWL
+ 2t
AD15:0
(read)
WR#
AD15:0
(write)
BHE#, INST
A20:0
CSx#
T
AVDV
+ 2t
T
LHLH
+ 2t
Data In
Data In
Data Out
Valid
Valid
Data Out
Address Out
Data Out
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