ATAR090-D_14 Datasheet, PDF (24/70 Pages) ATMEL Corporation – Up to 6 External/Internal Interrupt Sources

Figure 23. Bi-directional Port 5
I/O Bus
I/O Bus
(Data out)
DQ
P5DATy
S
Master reset
IN enable
V_DD
(1)
Switched
pull-up
(1)
V_DD
(1) ^Static
pull-up
BP5y
(1)
V_DD
(1)
(1) ^Static
Pull-down
(1) _{Mask options}
Switched
pull-down
Figure 24. Port 5 External Interrupts
BP52
Data in
Bidir. Port
IN_Enable
I/O-bus
INT1
INT6
I/O-bus
Data in
Bidir. Port
IN_Enable
BP51
BP53
Data in
Bidir. Port
IN_Enable
Decoder
Decoder
Decoder
Decoder
P5CR P53M2 P53M1 P52M2 P52M1 P51M2 P51M1 P50M2 P50M1
Data in
Bidir. Port
IN_Enable
BP50
24 ATAR090-D
4701C–4BMCU–12/04