ATMEGA48-20MU Atmel, ATMEGA48-20MU Datasheet - Page 366
![IC AVR MCU 4K 20MHZ 5V 32-QFN](/photos/12/32/123213/atmega48-20mu_sml.jpg)
ATMEGA48-20MU
Manufacturer Part Number
ATMEGA48-20MU
Description
IC AVR MCU 4K 20MHZ 5V 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48-20MU
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
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATMEGA48x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
2-Wire/SPI/USART/Serial
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
No. Of Timers
3
Rohs Compliant
Yes
Package
32MLF EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
20 MHz
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA48-20MU
Manufacturer:
ATMEL
Quantity:
18 000
- Current page: 366 of 378
- Download datasheet (8Mb)
35.14 Rev. 2545F-05/05
35.15 Rev. 2545E-02/05
35.16 Rev. 2545D-07/04
366
ATmega48/88/168
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Table notes in
Updated instructions used with WDTCSR in relevant code examples.
Updated cross-reference in
Added
Update
Updated
Updated
MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame Package
QFN/MLF”.
Updated
Updated
Updated
Updated
305and
Added
Updated
Updated
266.
Updated
Updated
Updated
Updated
Updated
and
Updated
Moved “TIMSK2 – Timer/Counter2 Interrupt Mask Register” on page17.11.6 and
“TIFR2 – Timer/Counter2 Interrupt Flag Register” on page17.11.7 to
“Register Description” on page
Updated equation in
Added
Updated
Updated Ordering Information for
Updated
Updated equation in
Table 26-11 on page
Section 3. “Resources” on page 7
“Pin Change Interrupt Timing” on page 65
“Page Size” on page
Section 8.6 “Calibrated Internal RC Oscillator” on page
Table 27-16 on page 299
Section 27.8.3 “Serial Programming Instruction set” on page
Section 34. “Errata” on page
“EECR – The EEPROM Control Register” on page
“Calibrated Internal RC Oscillator” on page
“External Clock” on page
“8-bit Timer/Counter Block Diagram” on page
“Enter Programming Mode” on page
“DC Characteristics” on page
“Ordering Information” on page
“Errata ATmega88” on page 359
“System Clock Prescaler” on page
“Serial Programming Algorithm” on page
“Errata ATmega88” on page 359
“SPMCSR – Store Program Memory Control and Status Register” on page
Table 8-5 on page
Table 28-3 on page
Section 28.2 “DC Characteristics” on page 302
“Bit Rate Generator Unit” on page
“Bit Rate Generator Unit” on page
282.
“Electrical Interconnection” on page
288.
30,
306,
152.
Table 28-4 on page
“ATmega168” on page
34.
Table 28-6 on page
356.
302.
349.
and
and
35.
290.
“Errata ATmega168” on page
“Errata ATmega168” on page
298.
32.
306,
89.
215.
215.
351.
308,
Table 26-9 on page
21.
updated.
32.
Table 28-2 on page
209.
299.
2545S–AVR–07/10
360.
360.
281,
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