ATmega324P Automotive Atmel Corporation, ATmega324P Automotive Datasheet - Page 332

• Manufacturer Part Number: ATmega324P Automotive
• Manufacturer: Atmel Corporation

Specifications of ATmega324P Automotive

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• 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): 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

26.4
Table 26-4.
Notes:
Table 26-5.
Note:
332
Symbol
V
t
t
V
t
I
RST
BOD
RAM
V
BG
BG
HYST
BG
(1)
(1)
(1)
(1)
System and Reset Characteristics
1. Values indicated represent typical data from design simulation.
2. The Power-on Reset will not work unless the supply voltage has been below V
3. This is the limit to which VDD can be lowered without losing RAM data.
1. V
(3)
ATmega164P/324P/644P
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed.
BODLEVEL 2:0 Fuses
BOT
Reset, Brown-out and Internal Voltage Reference Characteristics
BODLEVEL Fuse Coding
Parameter
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
RAM Retention Voltage
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
111
110
101
100
011
010
001
000
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
(1)
Min V
2.5
4.1
BOT
V
V
V
C C
C C
C C
= 2.7V, T
= 2.7V, T
= 2.7V, T
Condition
Typ V
Reserved
Reserved
A
A
A
= 25 C
= 25 C
= 25 C
2.7
4.3
BOD Disabled
BOT
POT
(falling)
Min
1.0
Max V
Typ
1.1
50
50
40
10
2.9
4.5
2
BOT
Max
2.5
1.2
70
7674F–AVR–09/09
CC
Units
Units
drops to
V
mV
mV
µA
ns
ns
µs
V