ATmega168 Automotive Atmel Corporation, ATmega168 Automotive Datasheet - Page 333

• Manufacturer Part Number: ATmega168 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega168 Automotive

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 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 150
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 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

37. Table of Contents
7530I–AVR–02/10
1
2
3
4
5
6
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 2
About Code Examples ............................................................................. 7
AVR CPU Core .......................................................................................... 7
AVR ATmega48/88/168 Memories ........................................................ 14
System Clock and Clock Options ......................................................... 24
1.1
2.1
2.2
2.3
2.4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
Disclaimer ..........................................................................................................2
Block Diagram ...................................................................................................3
Automotive Quality Grade .................................................................................4
Comparison Between ATmega48, ATmega88, and ATmega168 .....................5
Pin Descriptions .................................................................................................5
Introduction ........................................................................................................7
Architectural Overview .......................................................................................7
ALU – Arithmetic Logic Unit ...............................................................................9
Status Register ..................................................................................................9
General Purpose Register File ........................................................................10
Stack Pointer ...................................................................................................11
Instruction Execution Timing ...........................................................................12
Reset and Interrupt Handling ...........................................................................12
In-System Reprogrammable Flash Program Memory .....................................14
SRAM Data Memory ........................................................................................16
EEPROM Data Memory ..................................................................................17
I/O Memory ......................................................................................................23
Clock Systems and their Distribution ...............................................................24
Clock Sources .................................................................................................25
Low Power Crystal Oscillator ...........................................................................26
Full Swing Crystal Oscillator ............................................................................28
Low Frequency Crystal Oscillator ....................................................................30
Calibrated Internal RC Oscillator .....................................................................30
128 kHz Internal Oscillator ..............................................................................32
External Clock .................................................................................................32
ATmega48/88/168 Automotive
333