ATMEGA644PV-10PQ Atmel, ATMEGA644PV-10PQ Datasheet - Page 344
![MCU AVR 64K FLASH 10MHZ 40-PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA644PV-10PQ
Manufacturer Part Number
ATMEGA644PV-10PQ
Description
MCU AVR 64K FLASH 10MHZ 40-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PV-10PQ
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
40-DIP (0.600", 15.24mm)
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Example
26.1.4
8011O–AVR–07/10
Power-down Supply Current
Table 26-2.
It is possible to calculate the typical current consumption based on the numbers from
on page 344
Calculate the expected current consumption in idle mode with TIMER1, ADC, and SPI enabled
at V
to add 10.5% for the TIMER1, 16.8% for the ADC, and 12.9% for the SPI module. Reading from
Figure 26-6 on page
and F = 1 MHz. The total current consumption in idle mode with TIMER1, ADC, and SPI
enabled, gives:
Figure 26-11. Power-down Supply Current vs. V
PRR bit
PRUSART1
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRADC
PRSPI
CC
= 2.0V and F = 1 MHz. From
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
2
1
0
for other V
1.5
Additional Current Consumption (percentage) in Active and Idle mode
Additional Current consumption
compared to Active with external
clock (see
338
1.8%
2.4%
5.4%
4.6%
2.7%
1.6%
4.5%
3.3%
I
341, we find that the idle current consumption is ~0.115 mA at V
CC
and
2
CC
total
Figure 26-2 on page
and frequency settings than listed in
≈
Figure 26-1 on page
0.115 mA (1 + 0.105 + 0.168 + 0.129)
2.5
Table 26-2 on page
⋅
3
V
339)
CC
3.5
(V)
CC
ATmega164P/324P/644P
(Watchdog Timer Disabled).
Additional Current consumption
compared to Idle with external
clock (see
341
6.9%
9.1%
21.2%
17.4%
10.5%
6.0%
16.8%
12.9%
4
344, third column, we see that we need
and
Figure 26-7 on page
4.5
Table 26-1 on page
Figure 26-6 on page
≈
0.161 mA
5
5.5
341)
-40°C
85°C
25°C
343.
Table 26-2
CC
= 2.0V
344
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