ATMEGA48-20MMU Atmel, ATMEGA48-20MMU Datasheet - Page 323

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

Specifications of ATMEGA48-20MMU

• 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
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: 2-Wire/SPI/USART/Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Package: 28MLF EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.5
29.6
2545S–AVR–07/10
Power-Save Supply Current
Standby Supply Current
Figure 29-15. Power-Save Supply Current vs. V
Figure 29-16. Standby Supply Current vs. V
180
160
140
120
100
12
10
80
60
40
20
8
6
4
2
0
0
1.5
1.5
2
2
2.5
2.5
3
3
V
V
CC
3.5
CC
3.5
(V)
(V)
CC
(Low Power Crystal Oscillator)
CC
4
(Watchdog Timer Disabled)
4
4.5
4.5
ATmega48/88/168
5
5
5.5
5.5
6 MHz Xtal
6 MHz Res.
4 MHz Res.
4 MHz Xtal
2 MHz Xtal
2 MHz Res.
455 kHz Res.
1 MHz Res.
32 kHz Xtal
25°C
323