ATMEGA48A-AU Atmel, ATMEGA48A-AU Datasheet - Page 317

IC MCU AVR 4K FLASH 32TQFP

ATMEGA48A-AU

Manufacturer Part Number
ATMEGA48A-AU
Description
IC MCU AVR 4K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA48A-AU

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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Controller Family/series
Atmega
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
TWI, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA48A-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA48A-AUR
Manufacturer:
Atmel
Quantity:
10 000
Table 28-1.
Notes:
28.2.1
Table 28-2.
Notes:
8271C–AVR–08/10
Symbol
R
R
V
I
t
Symbol
I
ACLK
ACID
CC
ACIO
RST
PU
1. “Max” means the highest value where the pin is guaranteed to be read as low
2. “Min.” means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can source more than the test conditions (20 mA at V
4. Although each I/O port can sink more than the test conditions (20 mA at V
1. Values with “Minimizing Power Consumption” enabled (0xFF).
ATmega48A DC Characteristics
conditions (non-transient), the following must be observed:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P:
1] The sum of all I
2] The sum of all I
If II
greater than the listed test condition.
conditions (non-transient), the following must be observed:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P:
1] The sum of all I
2] The sum of all I
3] The sum of all I
If I
than the listed test condition.
Parameter
Reset Pull-up Resistor
I/O Pin Pull-up Resistor
Analog Comparator
Input Offset Voltage
Analog Comparator
Input Leakage Current
Analog Comparator
Propagation Delay
Parameter
Power Supply Current
Power-save mode
Power-down mode
OL
OH
ATmega48A DC characteristics - T
Common DC characteristics T
exceeds the test condition, V
exceeds the test condition, V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
OH
OH
OL
OL
OL
(3)
(3)
, for ports C0 - C5, ADC7, ADC6 should not exceed 100 mA.
, for ports B0 - B5, D5 - D7, XTAL1, XTAL2 should not exceed 100 mA.
, for ports D0 - D4, RESET should not exceed 100 mA.
, for ports C0 - C5, D0- D4, ADC7, RESET should not exceed 150 mA.
, for ports B0 - B5, D5 - D7, ADC6, XTAL1, XTAL2 should not exceed 150 mA.
(1)
Condition
V
V
V
V
V
V
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
in
CC
in
CC
CC
CC
CC
OL
= V
= V
OH
= 1.8V
= 3V
= 5V
= 5V
= 2.7V
= 4.0V
may exceed the related specification. Pins are not guaranteed to sink current greater
A
CC
CC
may exceed the related specification. Pins are not guaranteed to source current
= -40°C to 85°C, V
/2
/2
A
= -40°C to 85°C, V
CC
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
= 2V
= 3V
= 5V
= 3V
= 3V
CC
Min.
Min.
= 1.8V to 5.5V (unless otherwise noted) (Continued)
-50
30
20
CC
= 1.8V to 5.5V (unless otherwise noted)
CC
CC
= 5V, 10 mA at V
= 5V, 10 mA at V
Typ.
Typ.
0.03
0.21
0.75
<10
750
500
0.2
1.2
4.0
0.9
0.9
3.9
0.1
(2)
CC
CC
Max.
Max.
0.55
= 3V) under steady state
3.5
0.5
1.5
5.5
50
60
40
50
12
15
2
= 3V) under steady state
Units
Units
mV
mA
mA
mA
mA
mA
mA
nA
µA
µA
µA
µA
ns
317

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