Rainbow Electronics AT90S2313 - Manual (Page 59)

59
AT90S2313
0839I–AVR–06/02
Figure 47. Port D Schematic Diagram (Pins PD4 and PD5)
Figure 48. Port D Schematic Diagram (Pin PD6)
DA
T
A
BUS
D
D
Q
Q
RESET
RESET
C
C
WD
WP
RD
MOS
PULL-
UP
PDn
R
R
WP:
WD:
RL:
RP:
RD:
n:
m: WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
4, 5
0, 1
DDDn
PORTDn
SENSE CONTROL TIMERm CLOCK
SOURCE MUX
CSm2 CSm0
RL
RP
CSm1