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ATMEGA640 Datasheet(PDF) 378 Page - Microchip Technology

Part # ATMEGA640
Description  8-bit Microcontroller with 16/32/64KB In-System Programmable Flash
PDF  436 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA640 Datasheet(HTML) 378 Page - Microchip Technology

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ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
DS40002211A
Figure 32-10. Idle Supply Current vs. VCC (Internal RC Oscillator, 128kHz)I
32.2.1
Supply Current of IO modules
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 Reduc-
tion Register. See “Power Reduction Register” on page 52 for details.
INTERNAL RCOSCILLATOR, 128 kHz
85°C
25°C
-40°C
0
0.05
0.1
0.15
0.2
0.25
0.3
1.5
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
Table 32-1.
Additional Current Consumption for the different I/O modules (absolute values)
PRR bit
Typical numbers
VCC = 2V, F = 1MHz
VCC = 3V, F = 4MHz
VCC = 5V, F = 8MHz
PRUSART3
8.0µA
51µA
220µA
PRUSART2
8.0µA
51µA
220µA
PRUSART1
8.0µA
51µA
220µA
PRUSART0
8.0µA
51µA
220µA
PRTWI
12µA
75µA
315µA
PRTIM5
6.0µA
39µA
150µA
PRTIM4
6.0µA
39µA
150µA
PRTIM3
6.0µA
39µA
150µA
PRTIM2
11µA
72µA
300µA
PRTIM1
6.0µA
39µA
150µA
PRTIM0
4.0µA
24µA
100µA
PRSPI
15µA
95µA
400µA
PRADC
12µA
75µA
315µA



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