ATmega6450P Atmel Corporation, ATmega6450P Datasheet - Page 327

• Manufacturer Part Number: ATmega6450P
• Manufacturer: Atmel Corporation

Specifications of ATmega6450P

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• 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): 4
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• 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

28.6.2
28.7
28.8
Table 28-17. Asynchronous External Interrupt Characteristics
8285D–AVR–06/11
Symbol
t
INT
Brown-out Detection
External Interrupts Characteristics
ATmega325A/325PA/3250A/3250PA/645A/645P/6450A/6450PA
revision A and B
Parameter
Minimum pulse width for asynchronous external interrupt
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Table 28-15. Reset, Brown-out, and Internal Voltage Reference Characteristics,
Note:
Table 28-16. BODLEVEL Fuse Coding
Note:
Symbol
V
SR
POT
ON
BODLEVEL 2...0 Fuses
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
this is the case, the device is tested down to V
antees that a Brown-Out Reset will occur before V
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110, 101, and 100.
BOT
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
T
A
may be below nominal minimum operating voltage for some devices. For devices where
111
110
101
100
011
010
001
000
= -40°C to 85°C
Min V
(1)
1.7
2.5
4.1
BOT
Condition
(1)
CC
= V
Typ V
CC
1.8
2.7
4.3
BOT
drops to a voltage where correct
BOD Disabled
BOT
Reserved
during the production test. This guar-
Min.
0.05
0.01
0.7
Min
Max V
Typ
Typ
1.0
0.9
50
2.0
2.9
4.5
BOT
Max
Max
1.4
1.3
4.5
POT
(falling)
Units
Units
V/ms
Units
V
ns
V
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