ATMEGA48A-MMHR Atmel, ATMEGA48A-MMHR Datasheet - Page 374

• Manufacturer Part Number: ATMEGA48A-MMHR
• Description: IC MCU AVR 4K FLASH 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48A-MMHR

• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 20MHz
• Number Of I /o: 23
• Eeprom Size: 256 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8271C–AVR–08/10
Figure 29-80. ATmega48PA: BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V)
Figure 29-81. ATmega48PA: Bandgap Voltage vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
1.104
1.102
1.098
1.096
1.094
1.092
1.09
1.1
4.36
4.34
4.32
4.28
4.26
4.24
1.5
4.3
-50
-40
2
-30
2.5
-20
-10
3
0
Temperature (°C)
V
10
CC
3.5
Falling Vcc
Rising Vcc
(V)
20
CC
30
4
40
4.5
50
60
5
70
80
5.5
-40 °C
85 °C
25 °C
90
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