ATTINY15 データシートの表示（PDF） - Atmel Corporation

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ATTINY15

8-bit Microcontroller with 1K Byte Flash

Atmel Corporation 

External Reset

Figure 13. “MCU Start-up, RESET Tied to VCC

VCC

VPOT

RESET

VRST

TIME-OUT

tTOUT

INTERNAL

RESET

Figure 14. MCU Start-up, RESET Extended Externally

VCC

VPOT

RESET

VRST

TIME-OUT

tTOUT

INTERNAL

RESET

An External Reset is generated by a low-level on the RESET pin. Reset pulses longer

than 500 ns will generate a reset, even if the clock is not running. Shorter pulses are not

guaranteed to generate a reset. When the applied signal reaches the Reset Threshold

Voltage (VRST) on its positive edge, the delay timer starts the MCU after the Time-out

period tTOUT has expired.

Figure 15. External Reset during Operation

16 ATtiny15L

1187H–AVR–09/07

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