atmega323l ATMEL Corporation, atmega323l Datasheet - Page 142

• Manufacturer Part Number: atmega323l
• Description: Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Port B Schematics
142
ATmega323(L)
Note that all port pins are synchronized. The synchronization latches are not shown in
the figures.
Figure 67. Port B Schematic Diagram (Pin PB0)
Figure 68. Port B Schematic Diagram (Pin PB1)
PB1
PB0
PUD: PULL-UP DISABLE
PUD: PULL-UP DISABLE
1
0
PUD
PUD
CS02 CS01 CS00
CS12 CS11 CS10
XCK OUTPUT
UMSEL
PORTB1
PORTB0
DDB1
DDB0
TIMER0 CLOCK
SOURCE MUX
TIMER1 CLOCK
SOURCE MUX
XCK INPUT
1457G–AVR–09/03