ATmega6450 Atmel Corporation, ATmega6450 Datasheet - Page 301

• Manufacturer Part Number: ATmega6450
• Manufacturer: Atmel Corporation

Specifications of ATmega6450

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 16 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: 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

28.5
Table 28-4.
Notes:
Table 28-5.
Note:
2570N–AVR–05/11
Symbol
V
V
V
V
POT
t
t
V
t
I
RST
BOD
HYST
PSR
RST
BG
BG
BG
System and Reset Characteristics
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
(1)
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 10 for Atmel ATmega325/3250/645/6450 and BODLEVEL = 01 for Atmel ATmega325/3250/645/6450V.
BODLEVEL 2:0 Fuses
BOT
Reset, Brown-out and Internal Voltage Reference Characteristics
BODLEVEL Fuse Coding
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
RESET Pin Threshold Voltage
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
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
11
10
01
00
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
Min V
(1)
1.7
2.5
4.1
BOT
V
V
V
T
T
CC
CC
CC
A
A
= 2.7V, T
= 2.7V, T
= 2.7V, T
= -40°C to 85°C
= -40°C to 85°C
Condition
V
V
CC
CC
= 3V
= 3V
ATmega325/3250/645/6450
Typ V
A
A
A
= 25°C
= 25°C
= 25°C
1.8
2.7
4.3
BOD Disabled
BOT
POT
0.2V
(falling)
0.05
0.01
Min
0.7
1.0
CC
Max V
Typ
800
1.0
0.9
1.1
50
40
15
2.0
2.9
4.5
2
BOT
0.85V
Max
1.4
1.3
4.5
1.2
70
CC
CC
Units
drops to
V
Units
V/ms
mV
µA
ns
µs
µs
V
V
V
V
301