ATmega168P Atmel Corporation, ATmega168P Datasheet - Page 418

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ATmega168P

Manufacturer Part Number
ATmega168P
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168P

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
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
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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vi
ATmega48P/88P/168P
26 Self-Programming the Flash, ATmega48P ........................................ 267
27 Boot Loader Support – Read-While-Write Self-Programming,
28 Memory Programming ......................................................................... 291
29 Electrical Characteristics .................................................................... 309
30 Typical Characteristics ........................................................................ 322
ATmega88P and ATmega168P 275
26.1Overview .............................................................................................................267
26.2Addressing the Flash During Self-Programming .................................................268
26.3Register Description’ ...........................................................................................273
27.1Features ..............................................................................................................275
27.2Overview .............................................................................................................275
27.3Application and Boot Loader Flash Sections .......................................................275
27.4Read-While-Write and No Read-While-Write Flash Sections ..............................276
27.5Boot Loader Lock Bits .........................................................................................278
27.6Entering the Boot Loader Program ......................................................................279
27.7Addressing the Flash During Self-Programming .................................................280
27.8Self-Programming the Flash ................................................................................280
27.9Register Description ............................................................................................289
28.1Program And Data Memory Lock Bits .................................................................291
28.2Fuse Bits .............................................................................................................292
28.3Signature Bytes ...................................................................................................294
28.4Calibration Byte ...................................................................................................294
28.5Page Size ............................................................................................................295
28.6Parallel Programming Parameters, Pin Mapping, and Commands .....................295
28.7Parallel Programming ..........................................................................................297
28.8Serial Downloading .............................................................................................304
29.1Absolute Maximum Ratings* ...............................................................................309
29.2DC Characteristics ..............................................................................................309
29.3Speed Grades .....................................................................................................312
29.4Clock Characteristics ...........................................................................................313
29.5System and Reset Characteristics ......................................................................314
29.6SPI Timing Characteristics ..................................................................................315
29.72-wire Serial Interface Characteristics .................................................................317
29.8ADC Characteristics – Preliminary Data ..............................................................319
29.9Parallel Programming Characteristics .................................................................320
8025M–AVR–6/11

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