参数资料
型号: SAX-XC878LM-13FFA5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP64
封装: GREEN, PLASTIC, LQFP-64
文件页数: 43/145页
文件大小: 2156K
代理商: SAX-XC878LM-13FFA5V
XC87xCLM
Electrical Parameters
Data Sheet
128
V1.5, 2011-03
4.3.6
External Clock Drive XTAL1
Table 52 shows the parameters that define the external clock supply for XC87x. These
timing parameters are based on the direct XTAL1 drive of clock input signals. They are
not applicable if an external crystal or ceramic resonator is considered.
Figure 43
External Clock Drive XTAL1
Table 52
External Clock Drive Characteristics (Operating Conditions apply)
Parameter
Symbol
Limit Values
Unit
Test Conditions
Min.
Max.
Oscillator period
t
osc
SR 50
500
ns
1)2)
1) The clock input signals with 45-55% duty cycle are used.
2) Not all parameters are 100% tested, but are verified by design/characterization and test correlation.
High time
t
1
SR 15
-
ns
3) The clock input signal must reach the defined levels
V
ILX and VIHX.
Low time
t
2
SR 15
-
ns
Rise time
t
3
SR -
10
ns
Fall time
t
4
SR -
10
ns
t
1
t
2
t
3
t
4
t
OSC
0.5 V
DDC
V
IHX
V
ILX
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