參數(shù)資料
型號: SAF-C515-LM
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQFP80
文件頁數(shù): 54/55頁
文件大?。?/td> 268K
代理商: SAF-C515-LM
C515
Semiconductor Group
54
1997-08-01
Figure 26
AC Testing: Input, Output Waveforms
Figure 27
AC Testing : Float Waveforms
Figure 28
Recommended Oscillator Circuits for Crystal Oscillator
0.45 V
V
CC
0.2
-0.1
+0.9
0.2
CC
V
Test Points
MCT00039
V
CC
-0.5 V
AC Inputs during testing are driven at
V
CC
- 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.
Timing measurements are made at
V
IHmin
for a logic ’1’ and
V
ILmax
for a logic ’0’.
MCT00038
V
Load
V
Load
-0.1 V
+0.1 V
Load
V
Timing Reference
Points
V
OH
-0.1 V
+0.1 V
OL
V
For timing purposes a port pin is no longer floating when a 100 mV
change from load voltage occurs and begins to float when a 100 mV change from the loaded
V
OH
/
V
OL
level occurs.
MCS03204
XTAL1
XTAL2
XTAL2
XTAL1
Crystal Oscillator Mode
Driving from External Source
External Oscillator
Signal
N.C.
1-24 MHz
C
C
C
= 20 pF±10 pF (incl. stray capacitance)
Crystal Mode :
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