ATmega168 Atmel Corporation, ATmega168 Datasheet - Page 282
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ATmega168
Manufacturer Part Number
ATmega168
Description
Manufacturer
Atmel Corporation
Specifications of ATmega168
Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
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)
1
Eeprom (bytes)
512
Self Program Memory
YES
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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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