ATMEGA48A-MMH Atmel, ATMEGA48A-MMH Datasheet - Page 500
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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29.7.11
8271C–AVR–08/10
Internal Oscillator Speed
Figure 29-317.ATmega328: Watchdog Oscillator Frequency vs. Temperature
Figure 29-318.ATmega328: Watchdog Oscillator Frequency vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
120
118
116
114
112
110
108
119
118
117
116
115
114
113
112
111
110
109
-60
1.5
-40
2
-20
2.5
0
3
Temperature (°C)
V
CC
3.5
20
(V)
40
4
CC
4.5
60
80
5
100
5.5
-40 °C
2.7 V
3.3 V
4.0 V
5.5 V
25 °C
85 °C
500
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