atmega161-4pi ATMEL Corporation, atmega161-4pi Datasheet - Page 99

• Manufacturer Part Number: atmega161-4pi
• Description: 8-bit Microcontroller With 16k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Port C Schematics
1228D–AVR–02/07
Table 32. DDCn Effects on Port C Pins
Note:
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)
DDCn
0
0
1
1
1. n: 7, 6,…0, pin number
PORTCn
0
1
0
1
Output
Output
Input
Input
I/O
Pull-up
Yes
No
No
No
(1)
Comment
Tri-state (high-Z)
PCn will source current if ext. pulled low
Push-pull Zero Output
Push-pull One Output
ATmega161(L)
99