Rainbow-electronics AT90S2313 Bedienungsanleitung PDF herunterladen (Seite 53)

53

AT90S2313

0839I–AVR–06/02

Figure 39. Port B Schematic Diagram (Pin PB3)

Figure 40. Port B Schematic Diagram (Pins PB2 and PB4)

PB3

DDB3

MOS

PULL-

UP

RESET

R

Q

D

C

RD

WD

WP

COM1A0

COM1A1

COMP. MATCH1

OUTPUT

MODE SELECT

RESET

R

Q

D

C

PORTB3

RL

RP

WP: WRITE PORTB

WD: WRITE DDRB

RL: READ PORTB LATCH

RP: READ PORTB PIN

RD: READ DDRB

DATA BUS

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 91 92

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