ATMEGA324A-PU Atmel, ATMEGA324A-PU Datasheet - Page 257

• Manufacturer Part Number: ATMEGA324A-PU
• Description: IC MCU AVR 32K 20MHZ 40PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324A-PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: Atmega
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8272A–AVR–01/10
Table 22-4.
Note:
164A/164PA/324A/324PA/644A/644PA/1284/1284P
MUX4..0
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
(1)
(1)
(1)
(1)
1. The differential input channels are not tested for devices in PDIP Package. This feature is only
guaranteed to work for devices in TQFP and VQFN/QFN/MLF Packages.
Single Ended
Input
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
N/A
1.1V (V
0 V (GND)
Input Channel and Gain Selections
BG
)
Positive Differential
Input
N/A
ADC0
ADC1
ADC0
ADC1
ADC2
ADC3
ADC2
ADC3
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
N/A
Negative Differential
Input
ADC0
ADC0
ADC0
ADC0
ADC2
ADC2
ADC2
ADC2
ADC1
ADC1
ADC1
ADC1
ADC1
ADC1
ADC1
ADC1
ADC2
ADC2
ADC2
ADC2
ADC2
ADC2
Gain
10x
10x
200x
200x
10x
10x
200x
200x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
257