參數(shù)資料
型號: CD1865
廠商: Intel Corp.
英文描述: Intelligent Eight-Channel Communications Controller
中文描述: 智能八通道通信控制器
文件頁數(shù): 136/150頁
文件大?。?/td> 871K
代理商: CD1865
CD1865
Intelligent Eight-Channel Communications Controller
136
Datasheet
10.5.2
Unclocked Bus Interface
Unclocked timing diagrams represent worst-case synchronization delays. That is, they reflect the
maximum number of clock cycles required to complete the operation.
Internally, the CD1865 fully synchronizes all signals; thus, the user need not be concerned with
setup times or metastability. The vast majority of CD1865 designs employ an unclocked Bus
Interface.
Figure 36. Clocked Bus Interface Write Cycle, Intel
-Style Handshake
CD1865
CLOCK
WR*
CS*
RD*
ADDRESS
WRITE DATA
DTACK*
ACKIN*
ACKOUT*
t
1
DON
T CARE
DON
T
CARE
VALID
t
8
t
9
t
7
t
11
t
12
t
24
t
25
t
26
t
28
t
4
DON
T CARE
DON
T CARE
VALID
t
6
DON
T CARE
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