ATMEGA6450A-AU Atmel, ATMEGA6450A-AU Datasheet - Page 464
![IC MCU AVR 64K FLASH 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA6450A-AU
Manufacturer Part Number
ATMEGA6450A-AU
Description
IC MCU AVR 64K FLASH 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA6450A-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K 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
100-TFQFP
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
69
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
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29.5.3.1
464
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Example 1
are controlled by the Power Reduction Register. See
details.
Table 29-9.
Table 29-10. ATmega3250A: Additional Current Consumption (percentage) in Active and Idle
It is possible to calculate the typical current consumption based on the numbers from
10
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
add 13.1% for the USART0, 13.0% for the SPI, and 13.2% for the TIMER1 module. Reading
from
F = 1MHz. The total current consumption in idle mode with USART0, TIMER1, and SPI enabled,
gives:
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
for other V
Figure
29-251, we find that the idle current consumption is ~0.09 mA at V
CC
CC
ATmega3250A: Additional Current Consumption for the different I/O modules
(absolute values)
mode
= 3.0V and F = 1MHz. From
and frequency settings than listed in
Additional Current consumption
compared to Active with external clock
(see
Typical numbers
7 µA
6.9 µA
6.6 µA
7 µA
V
Figure 29-245
CC
I
CC
= 2V, F = 1MHz
total
≈
0.09mA
3.2%
3.3%
3.4%
3.4%
and
•
Figure
(
1
+
Table
0.131
44 µA
43.5 µA
47 µA
47 µA
29-246)
V
CC
+
29-9, second column, we see that we need to
0.13
= 3V, F = 4MHz
”Power Reduction Register” on page 41
Table
+
0.132
Additional Current consumption
compared to Idle with external clock
(see
29-9.
Figure 29-250
)
≈
0.13mA
195 µA
210 µA
205 µA
206 µA
12.7%
13.1%
13.0%
13.2%
V
CC
and
= 5V, F = 8MHz
Figure
CC
8285B–AVR–03/11
= 3.0V and
Table 29-
29-251)
for
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