ATTINY44V-10SSU Atmel, ATTINY44V-10SSU Datasheet - Page 186

• Manufacturer Part Number: ATTINY44V-10SSU
• Description: IC MCU AVR 4K FLASH 10MHZ 14SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY44V-10SSU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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: 14-SOIC (3.9mm Width), 14-SOL
• Package: 14SOIC
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 10 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 12
• Interface Type: SPI/USI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 2
• For Use With: ATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.1.1
21.2
186
Active Supply Current
ATtiny24/44/84
Example
Table 21-2.
Calculate the expected current consumption in idle mode with USI, TIMER0, and ADC enabled
at V
add 6.1% for the USI, 10.4% for TIMER0, and 28.8% for the ADC. Reading from
page 189
total current consumption in idle mode with USI, TIMER0, and ADC enabled is therefore:
Figure 21-1. Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
I
CCTOT
PRR bit
PRTIM1
PRTIM0
PRUSI
PRADC
CC
= 2.0V and f = 1MHz. From
≈
0,04mA
, we find that current consumption in idle mode at 2V and 1MHz is about 0.04mA. The
1.2
0.8
0.6
0.4
0.2
1
0
0
Additional Current Consumption (percentage) in Active and Idle mode
×
(
1
Current consumption additional to
active mode with external clock
(see
+
0.1
0,061
Figure 21-1
0.2
+
0,104
0.3
Table 21-2 on page
+
1.8 %
2.3 %
1.4 %
6.7 %
ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY
and
0,288
Figure
0.4
)
Frequency (MHz)
≈
0,06mA
21-2)
0.5
(PRR=0xFF)
0.6
186, third column, we see that we need to
Current consumption additional to
idle mode with external clock
(see
0.7
Figure 21-6
0.8
0.9
10.4 %
28.8 %
8.0 %
6.1 %
and
Figure
1
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
8006K–AVR–10/10
Figure 21-6 on
21-7)