ATmega328P Automotive Atmel Corporation, ATmega328P Automotive Datasheet - Page 247
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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7810A–AVR–11/09
Figure 23-6. ADC Timing Diagram, Auto Triggered Conversion
Figure 23-7. ADC Timing Diagram, Free Running Conversion
Table 23-1.
Condition
First conversion
Normal conversions, single ended
Auto Triggered conversions
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCH
ADCL
Prescaler
Reset
ADC Conversion Time
MUX and REFS
Update
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
1
2
Conversion
Complete
3
One Conversion
Sample &
Hold
11
Sample & Hold
(Cycles from Start of Conversion)
4
12
5
6
ATmega328P [Preliminary]
13
7
One Conversion
13.5
Next Conversion
1
Sign and MSB of Result
LSB of Result
1.5
2
8
2
MUX and REFS
Update
9
3
10
Conversion
Complete
Sample & Hold
11
4
12
13
Conversion Time
Sign and MSB of Result
(Cycles)
LSB of Result
13.5
25
13
Next Conversion
1
Prescaler
Reset
2
247
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