ATmega3250 Atmel Corporation, ATmega3250 Datasheet - Page 77
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
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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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14.3.6
2570N–AVR–05/11
Alternate Functions of Port H
Table 14-15. Overriding Signals for Alternate Functions in PG4 and PG3
Port H is only present in ATmega3250/6450. The alternate pin configuration is as follows:
Table 14-16. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23 – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt
source.
• PCINT22 – Port H, Bit 6
PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external interrupt
source.
• PCINT21 – Port H, Bit 5
PCINT21, Pin Change Interrupt Source 21: The PH5 pin can serve as an external interrupt
source.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Alternate Function
PCINT23 (Pin Change Interrupt23)
PCINT22 (Pin Change Interrupt22)
PCINT21 (Pin Change Interrupt21)
PCINT20 (Pin Change Interrupt20)
PCINT19 (Pin Change Interrupt19)
PCINT18 (Pin Change Interrupt18)
PCINT17 (Pin Change Interrupt17)
PCINT16 (Pin Change Interrupt16)
PG4/T0
0
0
0
0
0
0
–
0
0
T0 INPUT
-
ATmega325/3250/645/6450
PG3/T1
0
0
0
0
0
–
0
0
-
0
T1 INPUT
77
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