Rainbow-electronics ATmega3290P_V Manual de usuario descargar pdf (Pagina 315)

100

101

315

ATmega329/3290/649/6490

2552H–AVR–11/06

External Clock Drive

Waveforms

Figure 137. External Clock Drive Waveforms

External Clock Drive

Maximum Speed vs. V

Figure 138. Maximum Frequency vs. V

(4 - 8 MHz).

IL1

IH1

Table 139. External Clock Drive

Symbol Parameter

=1.8-5.5V V

=2.7-5.5V V

=4.5-5.5V

UnitsMin. Max. Min. Max. Min. Max.

1/t

CLCL

Oscillator

Frequency

0408016MHz

CLCL

Clock Period 1000 125 62.5 ns

CHCX

High Time 400 50 25 ns

CLCX

Low Time 400 50 25 ns

CLCH

Rise Time 2.0 1.6 0.5 μs

CHCL

Fall Time 2.0 1.6 0.5 μs

Δt

CLCL

Change in period

from one clock

cycle to the next

22 2%

8 MHz

4 MHz

1.8V 2.7V 5.5V

Safe Operating Area

1 2 ... 310 311 312 313 314 315 316 317 318 319 320 ... 374 375

Comentarios a estos manuales

Sin comentarios

Rainbow-electronics ATmega3290P_V Manual de usuario Pagina 315

Comentarios a estos manuales

Relacionado con productos y manuales para Sensores Rainbow-electronics ATmega3290P_V