ATmega328P Automotive Atmel Corporation, ATmega328P Automotive Datasheet - Page 46

• 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

46
ATmega328P [Preliminary]
Figure 10-2. MCU Start-up, RESET Tied to V
Figure 10-3. . MCU Start-up, RESET Extended Externally
Table 10-1.
Note:
Symbol
V
V
V
V
INTERNAL
TIME-OUT
POT
PORMAX
PORMIN
CCRR
INTERNAL
TIME-OUT
RESET
RESET
RESET
RESET
V
1. Before rising, the supply has to be between V
V
CC
CC
Power On Reset Specifications
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
V
POT
V
V
POT
RST
t
TOUT
V
RST
CC
t
TOUT
PORMIN
()
and V
0.01
Min
-0.1
1.0
PORMAX
to ensure a Reset
Typ
1.4
1.3
Max
1.6
0.4
7810A–AVR–11/09
Units
V/ms
V
V
V
V