ATMEGA6490-16AI Atmel, ATMEGA6490-16AI Datasheet - Page 341

• Manufacturer Part Number: ATMEGA6490-16AI
• Description: IC AVR MCU FLASH 64K 5V 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA6490-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 68
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFPATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

29.0.3.1
29.0.4
2552K–AVR–04/11
Power-down Supply Current
Example
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
USART0, 9% for the SPI, and 4.8% for the TIMER1 module. From
idle current consumption is ~0.16mA at V
tion in idle mode with USART0, TIMER1, and SPI enabled, gives:
Figure 29-11. Power-down Supply Current vs. V
Figure 29-12. Power-down Supply Current vs. V
I
CC
total
3.5
2.5
1.5
0.5
≈
20
18
16
14
12
10
4
3
2
1
0
8
6
4
2
0
0.16mA
1.5
1.5
CC
•
= 3.0V and F = 1MHz.
(
2
2
1
+
0.085
2.5
2.5
+
0.09
+
0.048
3
3
)
Table 29-2
V
≈
V
CC
CC
CC
3.5
3.5
0.20mA
(V)
(V)
ATmega329/3290/649/6490
= 3.0V and F = 1MHz. The total current consump-
CC
CC
(Watchdog Timer Disabled)
(Watchdog Timer Enabled)
4
4
shows that we need to add 8.5% for the
4.5
4.5
Figure
5
5
29-6, we find that the
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
341