Rainbow Electronics ATmega103L - Manual (Page 90)

ATmega603/103
90
Figure 68. Port E Schematic Diagram (Pin PE2)
Figure 69. Port E Schematic Diagram (Pin PE3)
DA
T
A
B
U
S
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
DA
T
A
B
U
S
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