ATMEGA48P-20MMUR Atmel, ATMEGA48P-20MMUR Datasheet - Page 351
ATMEGA48P-20MMUR
Manufacturer Part Number
ATMEGA48P-20MMUR
Description
MCU AVR 4K FLASH 20MHZ 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA168P-20AU.pdf
(420 pages)
Specifications of ATMEGA48P-20MMUR
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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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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29.2.3
8025L–AVR–7/10
Supply Current of IO Modules
Figure 29-56. Idle Supply Current vs. Vcc (Internal RC Oscillator, 8 MHz).
The tables and formulas below can be used to calculate the additional current consumption for
the different I/O modules in Active and Idle mode. The enabling or disabling of the I/O modules
are controlled by the Power Reduction Register. See
details.
Table 29-3.
Table 29-4.
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
PRR bit
PRUSART0
PRTWI
PRTIM2
2.5
1.5
0.5
3
2
1
0
1.5
Additional Current Consumption for the different I/O modules (absolute values)
Additional Current Consumption (percentage) in Active and Idle mode
Typical numbers
4.12 uA
8.96 uA
9.94 uA
8.81 uA
Additional Current consumption
compared to Active with external
clock (see
346
347)
1.3%
2.9%
3.2%
2.29 uA
9.27 uA
8.31 uA
V
CC
and
2
= 2V, F = 1MHz
Figure 29-48 on page
Figure 29-47 on page
2.5
3
26.7 uA
58.6 uA
64.1 uA
56.9 uA
15.5 uA
56.8 uA
58.4 uA
V
CC
V
CC
3.5
= 3V, F = 4MHz
(V)
”Power Reduction Register” on page 43
ATmega48P/88P/168P
Additional Current consumption
compared to Idle with external
clock (see
349
349)
8.0%
17.6%
19.2%
4
and
Figure 29-53 on page
4.5
Figure 29-52 on page
108.3 uA
238.2 uA
256.3 uA
227.0 uA
62.3 uA
260.4 uA
230.8 uA
V
CC
= 5V, F = 8MHz
5
5.5
-40 °C
85 °C
25 °C
351
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