ATMEGA48A-MMHR Atmel, ATMEGA48A-MMHR Datasheet - Page 321
ATMEGA48A-MMHR
Manufacturer Part Number
ATMEGA48A-MMHR
Description
IC MCU AVR 4K FLASH 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA48A-MMHR.pdf
(566 pages)
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
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28.2.8
Table 28-9.
Notes:
28.3
8271C–AVR–08/10
Symbol
I
CC
1. Values with “Minimizing Power Consumption” enabled (0xFF).
2. Typical values at 25°C. Maximum values are test limits in production.
3. The current consumption values include input leakage current.
4. Maximum values are characterized values and not test limits in production.
Speed Grades
ATmega328P DC Characteristics
Parameter
Power Supply Current
Power-save mode
Power-down mode
ATmega328P Dc characteristics - T
Maximum frequency is dependent on V
V
Figure 28-1. Maximum Frequency vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
CC
(3)(4)
(3)
curve is linear between 1.8V < V
(1)
20 MHz
10 MHz
4 MHz
Condition
Active 1 MHz, V
Active 4 MHz, V
Active 8 MHz, V
Idle 1 MHz, V
Idle 4 MHz, V
Idle 8 MHz, V
32 kHz TOSC enabled,
V
32 kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
CC
CC
= 1.8V
= 3V
1.8V
A
CC
CC
CC
= -40°C to 85°C, V
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
= 2V
= 3V
= 5V
= 3V
= 3V
2.7V
CC
CC.
< 2.7V and between 2.7V < V
CC
Min.
As shown in
CC
= 1.8V to 5.5V (unless otherwise noted)
Safe Operating Area
Figure
Typ.
0.04
0.3
1.7
5.2
0.3
1.2
0.8
0.9
4.2
0.1
(2)
28-1, the Maximum Frequency vs.
4.5V
CC
Max.
0.15
0.5
2.5
0.7
2.7
1.6
2.6
< 4.5V.
9
8
2
5.5V
Units
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
321
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