ATTINY12(2003) 查看數據表（PDF） - Atmel Corporation

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ATTINY12
(Rev.:2003)

8-bit Microcontroller with 1K Byte Flash

Atmel Corporation 

External RC Oscillator

ATtiny11/12

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 59. 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

VCC

R

C

PB4 (XTAL2)

XTAL1

GND

7

1006D–AVR–07/03

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