Rainbow-electronics ATtiny12 User Manual download pdf (Page 7)

ATtiny11/12

1006C–09/01

External RC Oscillator For timing insensitive applications, the external RC configuration shown in Figure 5 can

be used. For details on how to choose R and C, see Table 29 on page 57. The external

RC oscillator is sensitive to noise from neighboring pins, and to avoid problems, PB5

(RESET

) should be used as an output or reset pin, and PB4 should be used as an out-

put pin.

Figure 5. External RC Configuration

PB4 (XTAL2)

XTAL1

GND

VCC

1 2 3 4 5 6 7 8 9 10 11 12 ... 85 86

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Rainbow-electronics ATtiny12 User Manual Page 7