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參數(shù)資料
| 型號(hào)： | CDCE401YS |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OSCILLATOR IC WITH ELECTRONIC CALIBRATION |
| 中文描述： | 振蕩器IC與電子校準(zhǔn) |
| 文件頁數(shù)： | 6/19頁 |
| 文件大?。?/td> | 246K |
| 代理商： | CDCE401YS |
www.ti.com
ENTER REGISTER PROGRAMMING MODE
Figure 2
shows the timing behavior of data to be written into SDATA. The sequence shown is 00 1100. If the
high period is as short as t1, this is interpreted as a 0. If the high period is as long as t3, this is interpreted as
a 1. This behavior is achieved by shifting the incoming signal SDATA by time t
5
into signal SDATA_DELAYED.
As can be seen in
Figure 2
, SDATA_DELAYED can be used to latch (or strobe) SDATA. The specification for
the timings t
1
– t
8
, t
r
, and t
f
are given in the
Timing Requirements
section of this document.
SDATA
EN
0
t
2
DATA
0
1
1
0
0
SDATA
DELAYED
t
1
t
6
t
f
t
5
t
4
t
8
t
r
T0042-03
t
3
t
7
CDCE401
SCAS820–JUNE 2006
Figure 2. Timing Diagram for SDATA Programming
6
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