Rainbow-electronics ATtiny15L Manual do Utilizador descarregar pdf (Página 14)

ATtiny15L

1187E–AVR–06/02

Figure 12. Reset Logic

Note: 1. The Power-on Reset will not work unless the supply voltage has been below V

POT

(falling).

Table 4. Reset Characteristics (V

=5.0V)

(1)

Symbol Parameter Condition Min Typ Max Units

POT

Power-on Reset Threshold

Voltage (rising)

BOD disabled 1.0 1.4 1.8 V

BOD enabled 1.7 2.2 2.7 V

Power-on Reset Threshold

Voltage (falling)

(1)

BOD disabled 0.4 0.6 0.8 V

BOD enabled 1.7 2.2 2.7 V

RST

RESET Pin Threshold

Voltage

––0.85 V

BOT

Brown-out Reset Threshold

Voltage

(BODLEVEL = 1) 2.6 2.7 2.8 V

(BODLEVEL = 0) 3.8 4.0 4.2 V

MCU Status

Brown-out

Reset Circuit

BODEN

BODLEVEL

Delay Counters

CKSEL[1:0]

TIMEOUT

WDRF

BORF

EXTRF

PORF

DATA B US

Tunable Internal

Oscillator

Watchdog

Oscillator

Watchdog

Timer

Reset Circuit

Power-on Reset

Circuit

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 82 83

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