Rainbow-electronics ATtiny12 Manuel d'utilisateur télécharger pdf (Page 19)

ATtiny11/12

1006C–09/01

Figure 17. Reset Logic for the ATtiny12

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

POT

(falling).

Table 8. Reset Characteristics for the ATtiny12

Symbol Parameter Condition Min Typ Max Units

POT

(1)

Power-on Reset Threshold

Voltage (rising)

BOD disabled 1.0 1.4 1.8 V

BOD enabled 0.6 1.2 1.8 V

Power-on Reset Threshold

Voltage (falling)

BOD disabled 0.4 0.6 0.8 V

BOD enabled 0.6 1.2 1.8 V

RST

RESET Pin Threshold

Voltage

0.6V

BOT

Brown-out Reset Threshold

Voltage

(BODLEVEL = 1) 1.5 1.8 1.9

(BODLEVEL = 0) 2.6 2.7 2.8

MCU Status

Brown-out

Reset Circuit

BODEN

BODLEVEL

Delay Counters

CKSEL[3:0]

Full

WDRF

BORF

EXTRF

PORF

DATA BUS

Power-on Reset

Circuit

On-chip

RC Oscillator

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 85 86

Features 1
Pin Configuration 1
ATtiny11/12 10
1006C–09/01 85
1006C–09/01/xM 86

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Rainbow-electronics ATtiny12 Manuel d'utilisateur Page 19

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