參數(shù)資料
型號： DSP5685xUM
廠商： 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述： 16-bit Digital Signal Controllers
中文描述： 16位數(shù)字信號控制器
文件頁數(shù)： 31/60頁
文件大?。?/td> 836K
代理商： DSP5685XUM
External Clock Operation
56854 Technical Data, Rev. 6
Freescale Semiconductor
31
4.5.3
The recommended method of connecting an external clock is given in
Figure 4-8
.
The external clock
source is connected to XTAL and the EXTAL pin is held at V
DDA
/2. The TOD_SEL bit in CGM must be
set to 0.
Low Speed External Clock Source (2-4MHz)
Figure 4-8 Connecting a Low Speed External Clock Signal using XTAL
I
Figure 4-9 External Clock Timing
Table 4-5 External Clock Operation Timing Requirements
4
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0 V, V
DD
= 1.62-1.98V, V
DDIO
= V
DDA
=
3.0–3.6V, T
A
= –40
°
to +120
°
C, C
L
≤
50pF, f
op
= 120MHz
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency of operation (external clock driver)
1
1.
2.
3.
4.
See
Figure 4-7
for details on using the recommended connection of an external clock driver.
External clock input rise time is measured from 10% to 90%.
External clock input fall time is measured from 90% to 10%.
Parameters listed are guaranteed by design.
f
osc
0
—
240
MHz
Clock Pulse Width
4
t
PW
6.25
—
—
ns
External clock input rise time
2, 4
t
rise
—
—
TBD
ns
External clock input fall time
3,
4
t
fall
—
—
TBD
ns
56854
XTAL
EXTAL
External
Clock
(2-4MHz)
V
DDA
/2
External
Clock
V
IH
V
IL
Note: The midpoint is V
IL
+ (V
IH
– V
IL
)/2.
90%
50%
10%
90%
50%
10%
t
PW
t
PW
t
fall
t
rise
相關(guān)PDF資料
PDF描述
DSP56854E 16-bit Digital Signal Controllers
DSP56854FG120 16-bit Digital Signal Controllers
DSP56855BU120 16-bit Digital Signal Controllers
DSP56855BUE 16-bit Digital Signal Controllers
DSP56855E 16-bit Digital Signal Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP5685XUMAD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP5685XUMAD Rev 2.0 Addendum
DSP56ADC16D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 16-Bit
DSP56ADC16L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 16-Bit
DSP56ADC16P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 16-Bit
DSP56ADC16S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*