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AT83C5103XXX-IBSIL PDF预览

AT83C5103XXX-IBSIL

更新时间: 2024-02-27 05:40:20
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器
页数 文件大小 规格书
64页 684K
描述
Low-pin Count 8-bit Microcontroller

AT83C5103XXX-IBSIL 数据手册

 浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第56页浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第57页浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第58页浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第60页浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第61页浏览型号AT83C5103XXX-IBSIL的Datasheet PDF文件第62页 
AT8xC5103  
AC Testing Input/Output  
Waveforms  
Figure 33. AC Testing Input/Output Waveforms  
VCC-0.5V  
0.2VCC+0.9  
0.2VCC-0.1  
INPUT/OUTPUT  
0.45 V  
AC inputs during testing are driven at VCC - 0.5 for a logic “1” and 0.45V for a logic “0”.  
Timing measurement are made at VIH min for a logic “1” and VIL max for a logic “0”.  
Float Waveforms  
Figure 34. Float Waveforms  
FLOAT  
VOH-0.1 V  
VOL+0.1 V  
VLOAD  
VLOAD+0.1V  
VLOAD-0.1V  
For timing purposes as 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 VOH/VOL level  
occurs. IOL/IOH ≥ ± 20 mA.  
Clock Waveforms  
Valid in normal clock mode. In X2 Mode XTAL2 signal must be changed to XTAL2  
divided by 2.  
Figure 35. Clock Waveforms  
STATE1  
P1P2  
STATE2  
P1P2  
STATE3  
P1P2  
STATE4  
P1P2  
STATE4  
P1P2  
STATE5  
P1P2  
STATE6  
P1P2  
STATE5  
P1P2  
INTERNAL  
CLOCK  
XTAL2  
PORT OPERATION  
OLD DATA  
NEW DATA  
P1, P3, P4 PINS  
RXD SAMPLED  
P1, P3, P4 PINS SAMPLED  
MOV DEST PORT (P1, P3, P4)  
(INCLUDES INT0, INT1, TO, T1)  
RXD SAMPLED  
SERIAL PORT SHIFT CLOCK  
TXD (MODE 0)  
This diagram indicates when signals are clocked internally. The time it takes the signals  
to propagate to the pins, however, ranges from 25 to 125 ns. This propagation delay is  
dependent on variables such as temperature and pin loading. Propagation also varies  
from output to output and component. Typically though (TA=25°C fully loaded) RD and  
WR propagation delays are approximately 50 ns. The other signals are typically 85 ns.  
Propagation delays are incorporated in the AC specifications.  
59  
4134C–8051–09/04  

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