Rainbow Electronics ATmega161L - Manual (Page 99)

99
ATmega161(L)
1228C–AVR–08/02
Note: 1. n: 7, 6,…0, pin number
Port C Schematics Note that all port pins are synchronized. The synchronization latch is, however, not
shown in the figure.
Figure 63. Port C Schematic Diagram (Pins PC0 - PC7)
Table 32. DDCn Effects on Port C Pins
(1)
DDCn PORTCn I/O Pull-up Comment
0 0 Input No Tri-state (high-Z)
0 1 Input Yes PCn will source current if ext. pulled low
1 0 Output No Push-pull Zero Output
1 1 Output No Push-pull One Output