Atmel ATmega48A User Manual

503
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Figure 30-321.ATmega328: Calibrated 8MHz RC Oscillator Frequency vs. OSCCAL Value
30.7.12 Current Consumption of Peripheral Units
Figure 30-322.ATmega328: ADC Current vs. V
CC
(AREF = AV
CC
)
85 °C
25 °C
-40 °C
0
2
4
6
8
10
12
14
16
0163248 64 80 96 112 128 144 160 176 192208 224 240 256
OSCCAL (X1)
F
RC
(MHz)
85 °C
25 °C
-40 °C
0
50
100
150
200
250
300
350
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
I
CC
(uA)

Atmel ATmega48A Specifications

General

Architecture	8-bit AVR
Flash Memory	4 KB
SRAM	512 Bytes
EEPROM	256 Bytes
Clock Speed	20 MHz
I/O Pins	23
ADC Channels	6
Operating Voltage	1.8 - 5.5 V
PWM Channels	6
USART	1
SPI	1
I2C	1
Package Type	QFN, MLF
Temperature Range	-40°C to 85°C
Packages	28-pin PDIP, 32-pin TQFP, 28-pad QFN/MLF