ATmega3250 Atmel Corporation, ATmega3250 Datasheet - Page 329
ATmega3250
Manufacturer Part Number
ATmega3250
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3250
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
25
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
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega3250-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250P-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega3250P-20AU
Manufacturer:
AT
Quantity:
20 000
Part Number:
ATmega3250V-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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29.11 Internal Oscillator Speed
2570N–AVR–05/11
Figure 29-45. Watchdog Oscillator Frequency vs. V
Figure 29-46. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
1300
1250
1200
1150
1100
1050
1000
8.6
8.4
8.2
7.8
7.6
7.4
7.2
8
1.5
-60
-40
2
2.5
-20
3
0
Temperature (°C)
V
CC
3.5
20
(V)
ATmega325/3250/645/6450
40
CC
4
4.5
60
80
5
100
5.5
-40 °C
5.5 V
4.5 V
3.3 V
2.7 V
1.8 V
25 °C
85 °C
329
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