ATMEGA32A-MNR Atmel, ATMEGA32A-MNR Datasheet - Page 324

• Manufacturer Part Number: ATMEGA32A-MNR
• Description: IC MCU AVR 32K 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MNR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.10 Internal Oscillator Speed
8155C–AVR–02/11
Figure 28-34. Watchdog Oscillator Frequency vs. V
Figure 28-35. Calibrated 8MHz RC Oscillator Frequency vs. Temperature
1320
1300
1280
1260
1240
1220
1200
1180
1160
1140
1120
8.5
8.3
8.1
7.9
7.7
7.5
7.3
7.1
6.9
6.7
6.5
-60
2.5
-40
3
-20
3.5
0
Temperature
V
CC
20
4
(V)
40
CC
4.5
60
5
80
5.5 V
5.0 V
4.5 V
4.0 V
3.6 V
3.3 V
2.7 V
ATmega32A
100
5.5
-40 °C
25 °C
85 °C
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