ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 136

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

Specifications of ATMEGA323-8AC

• 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: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA3238AC

ADC Characteristics – Preliminary Data
Notes:
136
Symbol
AV
VINT
R
V
R
V
V
REF
REF
AIN
BG
IN
CC
2. Minimum for AVCC is 2.7V.
3. Maximum for AVCC is 5.5V.
1. Values are guidelines only. Actual values are TBD.
ATmega323(L)
Parameter
Resolution
Absolute accuracy
Absolute accuracy
Absolute accuracy
Integral Non-linearity
Differential Non-linearity
Zero Error (Offset)
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Internal Voltage Reference
Bandgap Voltage Reference
Reference Input Resistance
Input Voltage
Analog Input Resistance
Condition
Single-ended Conversion
V
ADC clock = 200 kHz
V
ADC clock = 1 MHz
V
ADC clock = 2 MHz
V
V
V
Free Running Conversion
REF
REF
REF
REF
REF
REF
= 4V
= 4V
= 4V
> 2V
> 2V
> 2V
V
CC
AGND
Min
2.35
1.12
2 V
65
50
- 0.3
6
(2)
(2)
2.56
1.22
Typ
100
0.5
0.5
10
10
16
1
4
1
V
CC
Max
AREF
AV
2.77
1.32
260
200
+ 0.3
13
2
CC
(3)
(3)
1457G–AVR–09/03
Units
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
M
k
µs
V
V
V
V
V