ATMEGA640V-8CU Atmel, ATMEGA640V-8CU Datasheet - Page 390
![IC MCU AVR 64K FLASH 100-CBGA](/photos/6/89/68968/313-100-cbga_sml.jpg)
ATMEGA640V-8CU
Manufacturer Part Number
ATMEGA640V-8CU
Description
IC MCU AVR 64K FLASH 100-CBGA
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA640V-8CU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
86
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
86
Number Of Timers
6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK503 - STARTER KIT AVR EXP MODULE 100P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
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31.2.1.1
2549M–AVR–09/10
Example 1
Table 31-2.
It is possible to calculate the typical current consumption based on the numbers from
on page 389
Calculate the expected current consumption in idle mode with USART0, TIMER1, and TWI
enabled at V
add 17% for the USART0, 24% for the TWI, and 10% for the TIMER1 module. Reading from
ure 31-6 on page
= 1 MHz. The total current consumption in idle mode with USART0, TIMER1, and TWI enabled,
gives:
I
CC
PRR bit
PRUSART3
PRUSART2
PRUSART1
PRUSART0
PRTWI
PRTIM5
PRTIM4
PRTIM3
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
total
≈
0.15mA
CC
for other V
Additional Current Consumption (percentage) in Active and Idle mode
•
= 2.0V and F = 1 MHz. From
Additional Current consumption
compared to Active with external clock
3.0%
3.0%
3.0%
3.0%
4.4%
1.8%
1.8%
1.8%
4.3%
1.8%
1.5%
3.3%
4.5%
(
387, we find that the idle current consumption is ~0.15 mA at V
1
+
0.17
CC
+
and frequency settings than listed in
0.24
+
ATmega640/1280/1281/2560/2561
0.10
)
≈
0.227mA
Table
31-2, third column, we see that we need to
Additional Current consumption
compared to Idle with external clock
17%
17%
17%
17%
24%
10%
10%
10%
23%
10%
8.0%
18%
24%
Table
31-2.
CC
= 2.0V and F
Table 31-1
Fig-
390
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