ATMEGA88P-20AUR Atmel, ATMEGA88P-20AUR Datasheet - Page 376
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ATMEGA88P-20AUR
Manufacturer Part Number
ATMEGA88P-20AUR
Description
MCU AVR 8KB FLASH 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA168P-20AU.pdf
(420 pages)
Specifications of ATMEGA88P-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Company
Part Number
Manufacturer
Quantity
Price
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Example
29.3.4
8025L–AVR–7/10
Power-down Supply Current
Table 29-6.
It is possible to calculate the typical current consumption based on the numbers from
on page 376
Calculate the expected current consumption in idle mode with TIMER1, ADC, and SPI enabled
at V
to add 15.2% for the TIMER1, 14.5% for the ADC, and 15.8% for the SPI module. Reading from
Figure 29-98 on page
and F = 1MHz. The total current consumption in idle mode with TIMER1, ADC, and SPI enabled,
gives:
Figure 29-103.Power-Down Supply Current vs. V
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
CC
= 2.0V and F = 1MHz. From
1.6
1.4
1.2
0.8
0.6
0.4
0.2
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
370
371)
1.9%
3.4%
3.6%
3.4%
0.8%
3.5%
3.2%
373, we find that the idle current consumption is ~0.055 mA at V
and
I
2
CC
CC
total
Figure 29-94 on page
and frequency settings than listed in
≈
Figure 29-93 on page
0.065 mA (1 + 0.152 + 0.145 + 0.158)
2.5
Table 29-6 on page
⋅
3
V
CC
3.5
(V)
CC
(Watchdog Timer Disabled).
ATmega48P/88P/168P
Additional Current consumption
compared to Idle with external
clock (see
373
373)
8.5%
15.6%
16.5%
15.2%
3.7%
15.8%
14.5%
4
376, third column, we see that we need
and
Figure 29-99 on page
≈
4.5
Table 29-5 on page
Figure 29-98 on page
0.095 mA
5
5.5
-40 °C
85 °C
25 °C
375.
Table 29-6
CC
= 2.0V
376
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