ATMEGA48-20MMH Atmel, ATMEGA48-20MMH Datasheet - Page 332

• Manufacturer Part Number: ATMEGA48-20MMH
• Description: MCU AVR 4KB FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MMH

• 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: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 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: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: ATMEGA48x
• Core: AVR8
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.10 BOD Thresholds and Analog Comparator Offset
332
ATmega48/88/168
Figure 29-33. Reset Input Pin Hysteresis vs. V
Figure 29-34. BOD Thresholds vs. Temperature (BODLEVEL is 4.3V)
4.45
4.35
4.25
600
500
400
300
200
100
4.5
4.4
4.3
4.2
0
-50
2
-40
-30
2.5
-20
-10
3
0
10
Temperature (°C)
3.5
Falling Vcc
Rising Vcc
20
V
CC
(V)
30
CC
4
40
50
4.5
60
70
80
5
90
100
5.5
VIL
2545S–AVR–07/10