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ATMEGA48-20AU

Part # ATMEGA48-20AU
Description MCU 8BIT ATMEGA RISC 4KB FLASH 3.3V/5V 32TQFP - Trays
Category IC
Availability Out of Stock
Qty 0
Qty Price
1 + $1.49230

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

337
2545M–AVR–09/07
ATmega48/88/168
29.11 Internal Oscillator Speed
Figure 29-39. Watchdog Oscillator Frequency vs. V
CC
Figure 29-40. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
WATCHDOG OSCILLATOR FREQUENCY vs. V
CC
85 °C
25 °C
-40 °C
95
100
105
110
115
120
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
5.0 V
2.7 V
1.8 V
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100
Temperature (C)
F
RC
(MHz)
338
2545M–AVR–09/07
ATmega48/88/168
Figure 29-41. Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
Figure 29-42. Calibrated 8 MHz RC Oscillator Frequency vs. Osccal Value
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. V
85 ˚C
25 ˚C
-40 ˚C
7.4
7.6
7.8
8
8.2
8.4
8.6
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
CC
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
85 °C
25 °C
-40 °C
3.5
5.5
7.5
9.5
11.5
13.5
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
OSCCAL VALUE
F
RC
(MHz)
339
2545M–AVR–09/07
ATmega48/88/168
29.12 Current Consumption of Peripheral Units
Figure 29-43. Brownout Detector Current vs. V
CC
Figure 29-44. ADC Current vs. V
CC
(AREF = AV
CC
)
BROWNOUT DETECTOR CURRENT vs. V
CC
85 ˚C
25 ˚C
-40 ˚C
18
20
22
24
26
28
30
32
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
I
CC
(uA)
ADC Current vs. V
CC
AREF = AV
CC
85 °C
25 °C
-40 °C
150
200
250
300
350
400
450
500
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
I
CC
(uA)
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