ATmega168 Atmel Corporation, ATmega168 Datasheet - Page 368
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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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36.18 Rev. 2545C-04/04
36.19 Rev. 2545B-01/04
2545T–AVR–05/11
4.
5.
6.
7.
8.
9.
10.
11.
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Added item 2 to 5 in
Updated C code examples containing old IAR syntax.
Updated BLBSET description in
Moved
“TIFR2 – Timer/Counter2 interrupt flag register” on page 158
“Register description” on page
Updated cross-reference in
Updated equation in
Added
Updated
Updated Ordering Information for
Updated
page
Updated equation in
Speed Grades changed: 12MHz to 10MHz and 24MHz to 20MHz
Updated
Updated
Updated
Added PDIP to “I/O and Packages”, updated “Speed Grade” and Power Consumption
Estimates in
Updated
value.
Added section
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 140
Updated
on page 286 to 288 and
285. Fixed typo in
Updated whole
Renamed the following bits:
- SPMEN to SELFPRGEN
- PSR2 to PSRASY
- PSR10 to PSRSYNC
- Watchdog Reset to Watchdog System Reset
tus register” on page
361.
“Page size” on page
“TIMSK2 – Timer/Counter2 interrupt mask register” on page 158
“Serial programming algorithm” on page
“Speed grades” on page
“Ordering information” on page
“Errata Atmel ATmega88” on page
“Watchdog timer” on page
Figure 16-2 on page 130
“Errata Atmel ATmega88” on page 360
“Stack pointer” on page 13
Table 10-1 on page
36.“Features” on page
“Power reduction register” on page 41
“Typical characteristics” on page
Table 13-1 on page
“Errata Atmel ATmega48” on page
“Bit rate generator unit” on page
“Bit rate generator unit” on page
283.
Table 24-1 on page
“Electrical interconnection” on page
289.
39,
153.
“SPMCSR – Store program memory control and sta-
“Atmel ATmega168” on page
Table 24-5 on page
305.
and
1.
49.
with RAMEND as recommended Stack Pointer
67.
Table 16-3 on page
350.
249. Added note 2 to
360.
315.
and
299.
ATmega48/88/168
216.
216.
and a note regarding the use of
“Errata Atmel ATmega168” on
259,
357.
131.
Table 28-4
to
352.
210.
Table 28-1 on page
to
and
Table 28-7
“8-bit
368