ATMEGA48A-MMHR Atmel, ATMEGA48A-MMHR Datasheet - Page 420

• 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

29.4.9
8271C–AVR–08/10
Pin Threshold and Hysteresis
Figure 29-166.ATmega88PA: I/O Pin Input Threshold Voltage vs. V
Figure 29-167.ATmega88PA: I/O Pin Input Threshold Voltage vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
2.5
1.5
0.5
2.5
1.5
0.5
3
2
1
0
2
1
0
1.5
1.5
2
2
2.5
2.5
3
3
V
V
CC
CC
3.5
3.5
(V)
(V)
4
4
4.5
4.5
CC
CC
(V
(V
5
5
IH
IL
, I/O Pin read as ‘0’)
, I/O Pin read as ‘1’)
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
420