ATmega48A Atmel Corporation, ATmega48A Datasheet - Page 558
ATmega48A
Manufacturer Part Number
ATmega48A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega48A
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
Yes
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
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36.4
8271D–AVR–05/11
Rev. 8271A – 12/09
1.
2
New datasheet 8271 with merged information for ATmega48PA, ATmega88PA,
ATmega168PA and ATmega48A, ATmega88A andATmega168A. Also included
information on ATmega328 and ATmega328P
Changes done:
– New devices added: ATmega48A/ATmega88A/ATmega168A and
– Updated Feature Description
– Updated
– Added note for BOD Disable on
– Added note on BOD and BODSE in
– Added limitation informatin for the application
– Added limitiation information for
– Added specified DC characteristics
– Added typical characteristics
– Removed exception information in
ATmega328
page 94
Read-While-Write Self-Programming” on page 280
page 297
ATmega48A/PA/88A/PA/168A/PA/328/P
and
Table 2-1 on page 6
”Register Description” on page 295
page
”Program And Data Memory Lock Bits” on
”Address Match Unit” on page
”MCUCR – MCU Control Register” on
41.
”Boot Loader Support –
224.
558
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