Rainbow-electronics ATtiny28L Uživatelský manuál stáhnout pdf (Strana 5)

ATtiny28L/V

1062E–10/01

External Clock To drive the device from an external clock source, XTAL2 should be left unconnected

while XTAL1 is driven as shown in Figure 3.

Figure 3. External Clock Drive Configuration

External RC Oscillator For timing insensitive applications, the external RC configuration shown in Figure 4 can

be used. For details on how to choose R and C, see Table 25 on page 54.

Figure 4. External RC Configuration

XTAL2

XTAL1

GND

EXTERNAL

OSCILLATOR

SIGNAL

XTAL2

XTAL1

GND

1 2 3 4 5 6 7 8 9 10 ... 74 75

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Rainbow-electronics ATtiny28L Uživatelský manuál Strana 5