ATMEGA32A-MUR Atmel, ATMEGA32A-MUR Datasheet - Page 307
![MCU AVR 32KB FLASH 16MHZ 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32A-MUR
Manufacturer Part Number
ATMEGA32A-MUR
Description
MCU AVR 32KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA32A-MU.pdf
(353 pages)
Specifications of ATMEGA32A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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28. Typical Characteristics
28.1
8155C–AVR–02/11
Active Supply Current
The following charts show typical behavior. These figures are not tested during manufacturing.
All current consumption measurements are performed with all I/O pins configured as inputs and
with internal pull-ups enabled. A square wave generator with rail-to-rail output is used as clock
source.
The power consumption in Power-down mode is independent of clock selection.
The current consumption is a function of several factors such as: operating voltage, operating
frequency, loading of I/O pins, switching rate of I/O pins, code executed and ambient tempera-
ture. The dominating factors are operating voltage and frequency.
The current drawn from capacitive loaded pins may be estimated (for one pin) as C
C
The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to
function properly at frequencies higher than the ordering code indicates.
The difference between current consumption in Power-down mode with Watchdog Timer
enabled and Power-down mode with Watchdog Timer disabled represents the differential cur-
rent drawn by the Watchdog Timer.
Figure 28-1. Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
L
= load capacitance, V
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1
0
0
0.1
0.2
CC
= operating voltage and f = average switching frequency of I/O pin.
0.3
0.4
Frequency (MHz)
0.5
0.6
0.7
0.8
0.9
ATmega32A
1
5.5 V
5.0 V
4.5 V
4.0 V
3.6 V
3.3 V
2.7 V
L
*
V
CC
*f where
307
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