ATMEGA48-20MMH Atmel, ATMEGA48-20MMH Datasheet - Page 331
![MCU AVR 4KB FLASH 20MHZ 28QFN](/photos/12/32/123209/28m1-vqfn_sml.jpg)
ATMEGA48-20MMH
Manufacturer Part Number
ATMEGA48-20MMH
Description
MCU AVR 4KB FLASH 20MHZ 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48-20MMH
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)
2.7 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
Processor Series
ATMEGA48x
Core
AVR8
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Operating Supply Voltage
2.7 V to 5.5 V
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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- Download datasheet (8Mb)
2545S–AVR–07/10
Figure 29-31. Reset Input Threshold Voltage vs. V
Figure 29-32. Reset Input Threshold Voltage vs. V
2.5
1.5
0.5
2.5
1.5
0.5
3
2
1
0
3
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)
CC
CC
4
4
(VIH, Reset Pin Read As '1')
(VIL, Reset Pin Read As '0')
4.5
4.5
ATmega48/88/168
5
5
5.5
5.5
-40°C
-40°C
85°C
25°C
25°C
85°C
331
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