ATMEGA48A-MMH Atmel, ATMEGA48A-MMH Datasheet - Page 470
ATMEGA48A-MMH
Manufacturer Part Number
ATMEGA48A-MMH
Description
IC MCU AVR 4K FLASH 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48A-MMH
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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29.6.9
8271C–AVR–08/10
Pin Threshold and Hysteresis
Figure 29-260.ATmega168PA: I/O Pin Input Threshold Voltage vs. V
Figure 29-261.ATmega168PA: I/O Pin Input Threshold Voltage vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
2.5
1.5
0.5
2.5
1.5
0.5
3
2
1
0
2
1
0
1.5
1.5
2
2
2.5
2.5
3
3
V
V
CC
CC
3.5
3.5
(V)
(V)
4
4
4.5
4.5
CC
CC
(V
(V
5
5
IH
IL
, I/O Pin read as ‘0’)
, I/O Pin read as ‘1’)
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
470
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