Rainbow-electronics ATtiny28L Manuale Utente Scaricare il pdf (Pagina 41)

41

ATtiny28L/V

1062E–10/01

Figure 32. Port B Schematic Diagram (Pin PB2)

Figure 33. PORT B Schematic Diagram (Pins PB3 and PB4)

DATA BUS

MOS

PULL-

UP

PB2

RP: READ PORTB PIN

PULL-UP PORT B

RP

TO LOW-LEVEL DETECTOR

SENSE CONTROL

TIMER0 CLOCK

SOURCE MUX

CS02 CS01 CS00

DATA BUS

MOS

PULL-

UP

PBn

RP: READ PORTB PIN

n : 3, 4

m : 0, 1

PULL-UP PORT B

RP

TO LOW-LEVEL DETECTOR

SENSE CONTROL

INTm

ISCm1 ISCm0

INTm ENABLE

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 74 75

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