ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 14

• Manufacturer Part Number: ATMEGA323-8AI
• Description: IC AVR MCU 32K 8MHZ IND 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA323-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA3238AI

Register Direct, Two Registers
Rd and Rr
I/O Direct
Data Direct
14
ATmega323(L)
Figure 11. Direct Register Addressing, Two Registers
Operands are contained in register r (Rr) and d (Rd). The result is stored in register d
(Rd).
Figure 12. I/O Direct Addressing
Operand address is contained in 6-bits of the instruction word. n is the destination or
source register address.
Figure 13. Direct Data Addressing
A 16-bit Data Address is contained in the 16 LSBs of a two-word instruction. Rd/Rr
specify the destination or source register.
31
15
OP
16 LSBs
20 19
Rr/Rd
16
0
Data Space
$0000
$085F
1457G–AVR–09/03