ATmega328P Automotive Atmel Corporation, ATmega328P Automotive Datasheet - Page 338
ATmega328P Automotive
Manufacturer Part Number
ATmega328P Automotive
Description
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
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36. Table of Contents
338
ATmega328P [Preliminary]
1
2
3
4
5
6
7
8
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
Resources ................................................................................................. 7
Data Retention .......................................................................................... 7
About Code Examples ............................................................................. 7
AVR CPU Core .......................................................................................... 8
AVR Memories ........................................................................................ 16
System Clock and Clock Options ......................................................... 25
1.1
1.2
1.3
2.1
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.1
7.2
7.3
7.4
7.5
7.6
8.1
8.2
8.3
8.4
8.5
8.6
Pin Descriptions .................................................................................................3
Disclaimer ..........................................................................................................4
Automotive Quality Grade .................................................................................4
Block Diagram ...................................................................................................5
Overview ............................................................................................................8
ALU – Arithmetic Logic Unit ...............................................................................9
Status Register ................................................................................................10
General Purpose Register File ........................................................................11
Stack Pointer ...................................................................................................12
Instruction Execution Timing ...........................................................................13
Reset and Interrupt Handling ...........................................................................14
Overview ..........................................................................................................16
In-System Reprogrammable Flash Program Memory .....................................16
SRAM Data Memory ........................................................................................17
EEPROM Data Memory ..................................................................................18
I/O Memory ......................................................................................................19
Register Description ........................................................................................20
Clock Systems and their Distribution ...............................................................25
Clock Sources .................................................................................................26
Low Power Crystal Oscillator ...........................................................................27
Full Swing Crystal Oscillator ............................................................................29
Low Frequency Crystal Oscillator ....................................................................31
Calibrated Internal RC Oscillator .....................................................................32
7810A–AVR–11/09
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