atmega323l ATMEL Corporation, atmega323l Datasheet - Page 154

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

154
ATmega323(L)
Figure 80. Port D Schematic Diagram (Pin PD1)
Figure 81. Port D Schematic Diagram (Pins PD2 and PD3)
PD1
WP:
WD:
RL:
RP:
RD:
TXD:
TXEN:
PUD: PULL-UP DISABLE
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
PUD:
n:
m:
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
UART TRANSMIT DATA
UART TRANSMIT ENABLE
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
PULL-UP DISABLE
2, 3
0, 1
PUD
PUD
RP
RL
Q
Q
PORTD1
RESET
RESET
DDD1
WD
RD
WP
R
C
R
C
D
D
TXEN
TXD
1457G–AVR–09/03