C511 查看數據表（PDF） - Siemens AG

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C511

8-Bit CMOS Microcontroller Family

Siemens AG 

C511 / C513

AC Inputs during testing are driven at VCC - 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.

Timing measurements are made at VIHmin for a logic ’1’ and VILmax for a logic ’0’.

Figure 20

AC Testing: Input, Output Waveforms

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 VOH/VOL level occurs.

IOL/IOH ≥ ± 20 mA

Figure 21

AC Testing: Float Waveforms

Figure 22

Recommended Oscillator Circuits for Crystal Oscillator

Semiconductor Group

43

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