Rainbow-electronics ATtiny2313 Instrukcja Użytkownika Pobierz pdf (Strona 180)

180

ATtiny2313

2543A–AVR–08/03

External Clock Drive

Waveforms

Figure 80. External Clock Drive Waveforms

External Clock Drive

Figure 81. Maximum Frequency vs. V

IL1

IH1

Table 81. External Clock Drive

Symbol Parameter

= 1.8 - 3.6V V

= 2.7 - 3.6V

UnitsMin. Max. Min. Max.

1/t

CLCL

Oscillator Frequency 0 TBD 0 TBD MHz

CLCL

Clock Period TBD TBD ns

CHCX

High Time TBD TBD ns

CLCX

Low Time TBD TBD ns

CLCH

Rise Time TBD TBD µs

CHCL

Fall Time TBD TBD µs

∆t

CLCL

Change in period from one clock

cycle to the next

22%

16 MHz

8 MHz

2 MHz

1.8V 2.7V 4.5V 5.5V

Safe Operating

Area

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 210 211

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Rainbow-electronics ATtiny2313 Instrukcja Użytkownika Strona 180