Rainbow Electronics AT90S2313 - Manual (Page 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