atmega161-4pi ATMEL Corporation, atmega161-4pi Datasheet - Page 94

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

Port B Schematics
94
ATmega161(L)
Note that all port pins are synchronized. The synchronization latches are, however, not
shown in the figures.
Figure 56. Port B Schematic Diagram (Pins PB0 and PB1)
PBn
WP:
WD:
RL:
RP:
RD:
n:
x:
0,1
0,2
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
CSn2 CSn1 CSn0
PORTBn
DDBn
COMx0
COMx1
COMP. MATCH x
PWMx
FOCx
1228D–AVR–02/07