Atmel ATmega48A User Manual

398
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Figure 30-123.ATmega88A: Reset Input Threshold Voltage vs. V
CC
(V
IL
, I/O Pin read as ‘0’)
Figure 30-124.ATmega88A: Reset Pin Input Hysteresis vs. V
CC
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
Threshold (V)
85 °C
25 °C
-40 °C
0
0.1
0.2
0.3
0.4
0.5
0.6
1.5 2 2.5 33.5 4 4.5 5 5.5
V
CC
(V)
Input Hysteresis (V)

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