Rainbow-electronics ATmega161L Manuale Utente Scaricare il pdf (Pagina 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

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 158 159

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Rainbow-electronics ATmega161L Manuale Utente Pagina 99