Rainbow-electronics ATmega103L Manuel d'utilisateur télécharger pdf (Page 90)

ATmega603/103

90

Figure 68. Port E Schematic Diagram (Pin PE2)

Figure 69. Port E Schematic Diagram (Pin PE3)

DATA BUS

D

D

Q

Q

RESET

RESET

C

C

WD

WP

RD

MOS

PULL-

UP

PE2

AC+

TO COMPARATOR

WP:

WD:

RL:

RP:

RD:

WRITE PORTE

WRITE DDRE

READ PORTE LATCH

READ PORTE PIN

READ DDRE

DDE2

PORTE2

RL

RP

DATA BUS

D

D

Q

Q

RESET

RESET

C

C

WD

WP

RD

MOS

PULL-

UP

PE3

AC-

TO COMPARATOR

WP:

WD:

RL:

RP:

RD:

WRITE PORTE

WRITE DDRE

READ PORTE LATCH

READ PORTE PIN

READ DDRE

DDE3

PORTE3

RL

RP

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