ATMEGA48-20AU Atmel, ATMEGA48-20AU Datasheet - Page 367
![IC AVR MCU 4K 20MHZ 5V 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA48-20AU
Manufacturer Part Number
ATMEGA48-20AU
Description
IC AVR MCU 4K 20MHZ 5V 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48-20AU
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-TQFP, 32-VQFP
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
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
20MHz
Total Internal Ram Size
512Byte
# I/os (max)
23
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
32
Package Type
TQFP
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - 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:
ATMEGA48-20AU
Manufacturer:
ATMEL
Quantity:
6 460
Company:
Part Number:
ATMEGA48-20AU
Manufacturer:
Atmel
Quantity:
1 300
Company:
Part Number:
ATMEGA48-20AU
Manufacturer:
ATMEL
Quantity:
9 500
Part Number:
ATMEGA48-20AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 367 of 378
- Download datasheet (8Mb)
35.17 Rev. 2545C-04/04
35.18 Rev. 2545B-01/04
2545S–AVR–07/10
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Added section
Updated C code examples containing old IAR syntax.
Speed Grades changed: 12 MHz to 10 MHz and 24 MHz to 20 MHz
Updated
Updated
Updated
Added PDIP to “I/O and Packages”, updated “Speed Grade” and Power Consumption
Estimates in
Updated
value.
of the PRR bits to 2-wire, Timer/Counters, USART, Analog Comparator and ADC
sections.
Updated
Updated
Extra Compare Match Interrupt OCF2B added to features in section
Timer/Counter2 with PWM and Asynchronous Operation” on page 139
Updated
page 285 to 287 and
284. Fixed typo in
Updated whole
Added item 2 to 5 in
Renamed the following bits:
- SPMEN to SELFPRGEN
- PSR2 to PSRASY
- PSR10 to PSRSYNC
- Watchdog Reset to Watchdog System Reset
Updated BLBSET description in
Status Register” on page
“Speed Grades” on page
“Ordering Information” on page
“Errata ATmega88” on page
“Watchdog Timer” on page
Figure 15-2 on page 129
Table 9-1 on page
“Stack Pointer” on page 12
35.“Features” on page
“Power Reduction Register” on page 40
“Typical Characteristics” on page
Table 12-1 on page
“Errata ATmega48” on page
Table 23-1 on page
282.
38,
Table 23-5 on page
“SPMCSR – Store Program Memory Control and
and
304.
1.
48.
with RAMEND as recommended Stack Pointer
359.
66.
Table 15-3 on page
349.
248. Added note 2 to
314.
356.
258,
ATmega48/88/168
and a note regarding the use
Table 27-4
130.
Table 27-1 on page
to
Table 27-7
“8-bit
367
on
Related parts for ATMEGA48-20AU
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATMEGA48-20AI](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATmega48](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATmega48 Automotive](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA48-20PU](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 28DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MU](/photos/12/32/123213/atmega48-20mu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20AJ](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MI](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MJ](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PI](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PJ](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MMU](/photos/12/13/121311/atmega48-20mmu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K FLASH 20MHZ 28QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MUR](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
MCU AVR 4KB FLASH 20MHZ 32QFN
Manufacturer:
Atmel
Datasheet: