ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 31

no-image

ATmega48

Manufacturer Part Number
ATmega48
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega48

Flash (kbytes)
4 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
256
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega48-10AU
Manufacturer:
FEVA
Quantity:
30 000
Part Number:
ATmega48-15AT
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATmega48-15AT1
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATmega48-15AT1
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega48-15AZ
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATmega48-15AZ
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATmega48-15AZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega48-15AZV
Manufacturer:
MICROCHIP
Quantity:
3 100
Part Number:
ATmega48-15AZV
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATmega48-20AI
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATmega48-20AU
Manufacturer:
ATMEL
Quantity:
6 460
Part Number:
ATmega48-20AU
Manufacturer:
Atmel
Quantity:
1 300
Part Number:
ATmega48-20AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega48-20AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
1 753
Company:
Part Number:
ATmega48-20AU
Quantity:
2 500
12.6
12.7
12.8
12.9
12.10 Rev. 2545K-04/07
2545TS–AVR–05/11
Rev. 2545O-02/09
Rev. 2545N-01/09
Rev. 2545M-09/07
Rev. 2545L-08/07
1.
2.
1.
2.
3.
4.
5.
6.
7.
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
Changed minimum Power-on Reset Threshold Voltage (falling) to 0.05V in
Added section
Updated code example in
Changed description in
3 on page
Removed section “Power-on slope rate” from
page
Updated
designs”.
Merged the sections Resources, Data Retention and About Code Examples under
one common section,
Updated
Updated
Updated
Updated
Added
Updated
“Preliminary“ removed through the datasheet.
Updated
Updated
Updated Note in
Table 8-10 on page
Updated
Updated“Errata Atmel ATmega48” on page 22
306.
“Data retention” on page
Figure 8-4 on page
“System clock prescaler” on page
“Alternate functions of port B” on page
“Pin thresholds and hysteresis” on page
“ADC characteristics” on page
“Features” on page
“System and reset characteristics” on page
“Interrupts” on page
“Features” on page 1
306.
“” on page
Table 8-3 on page
33.
“Resources” on page
“Analog-to-digital converter” on page
306.
“MCUCR – MCU control register” on page
34.
1.
55.
7.
and added the note “Not recommended for new
29,
Table 8-5 on page
310.
35.
7.
“System and reset characteristics” on
.
77.
329.
ATmega48/88/168
306.
30,
243.
Table 8-8 on page
63.
Table 28-
33,
31

Related parts for ATmega48