ATmega328P Automotive Atmel Corporation, ATmega328P Automotive Datasheet - Page 342

• Manufacturer Part Number: ATmega328P Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega328P Automotive

• Flash (kbytes): 32 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: Yes
• Crypto Engine: No
• Sram (kbytes): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 125
• 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

342
ATmega328P [Preliminary]
21 2-wire Serial Interface .......................................................................... 206
22 Analog Comparator ............................................................................. 238
23 Analog-to-Digital Converter ................................................................ 242
24 debugWIRE On-chip Debug System .................................................. 261
25 Self-Programming the Flash, ATmega328P ...................................... 263
20.8
21.1
21.2
21.3
21.4
21.5
21.6
21.7
21.8
21.9
22.1
22.2
22.3
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
23.9
24.1
24.2
24.3
24.4
24.5
24.6
25.1
Register Description ......................................................................................203
Features ........................................................................................................206
2-wire Serial Interface Bus Definition ............................................................206
Data Transfer and Frame Format ..................................................................208
Multi-master Bus Systems, Arbitration and Synchronization .........................211
Overview of the TWI Module .........................................................................213
Using the TWI ................................................................................................215
Transmission Modes .....................................................................................219
Multi-master Systems and Arbitration ............................................................232
Register Description ......................................................................................233
Overview ........................................................................................................238
Analog Comparator Multiplexed Input ...........................................................238
Register Description ......................................................................................239
Features ........................................................................................................242
Overview ........................................................................................................242
Starting a Conversion ....................................................................................244
Prescaling and Conversion Timing ................................................................245
Changing Channel or Reference Selection ...................................................248
ADC Noise Canceler .....................................................................................249
ADC Conversion Result .................................................................................254
Temperature Measurement ...........................................................................254
Register Description ......................................................................................256
Features ........................................................................................................261
Overview ........................................................................................................261
Physical Interface ..........................................................................................261
Software Break Points ...................................................................................262
Limitations of debugWIRE .............................................................................262
Register Description ......................................................................................262
Overview ........................................................................................................263
7810A–AVR–11/09