ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 282

• Manufacturer Part Number: ATmega48
• Manufacturer: Atmel Corporation

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

27.8.14
2545T–AVR–05/11
Atmel ATmega168 boot loader parameters
In
self programming are given.
Table 27-9.
Note:
Table 27-10. Read-while-write limit, ATmega168.
For details about these two section, see
and
Section
Read-while-write section (RWW)
No read-while-write section (NRWW)
BOOTSZ1
Table 27-9
“RWW – Read-while-write section” on page
1
1
0
0
The different BOOTSZ fuse configurations are shown in
See
Z-pointer during self-programming.
BOOTSZ0
through
Boot size configuration, ATmega168.
“Addressing the flash during self-programming” on page 274
1
0
1
0
Table 27-11 on page
Boot
size
128
words
256
words
512
words
1024
words
Pages
16
2
4
8
“NRWW – No read-while-write section” on page 270
Application
flash
section
0x0000 -
0x1F7F
0x0000 -
0x1EFF
0x0000 -
0x1DFF
0x0000 -
0x1BFF
283, the parameters used in the description of the
270.
Pages
112
Boot
loader
flash
section
0x1F80 -
0x1FFF
0x1F00 -
0x1FFF
0x1E00 -
0x1FFF
0x1C00 -
0x1FFF
16
Figure 27-2 on page
ATmega48/88/168
End
application
section
0x1F7F
0x1EFF
0x1DFF
0x1BFF
for details about the use of
Address
0x0000 - 0x1BFF
0x1C00 - 0x1FFF
272.
Boot reset
address (start
boot loader
section)
0x1F80
0x1F00
0x1E00
0x1C00
282