ATmega6490P Atmel Corporation, ATmega6490P Datasheet - Page 353

• Manufacturer Part Number: ATmega6490P
• Manufacturer: Atmel Corporation

Specifications of ATmega6490P

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 160
• 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

29.5
29.6
29.6.1
8284D–AVR–6/11
System and Reset Characteristics
Power-on Reset
ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490PA
revision C and later
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
The following characteristics apply only to ATmega169A/169PA
Table 29-14. Reset, Brown-out, and Internal Voltage Characteristics
Note:
Table 29-15. Reset, Brown-out and Internal Voltage Reference Characteristics,
Notes:
Symbol
Symbol
V
V
V
V
SR
t
t
V
V
t
I
RST
HYST
BOD
POT
RST
BG
BG
PSR
BG
POT
ON
1. The Power-on Reset will not work unless the supply voltage has been below V
1. The Power-on Reset will not work unless the supply voltage has been below V
Parameter
Power-on Reset Threshold
Voltage (rising)
Power-on Reset Threshold
Voltage (falling)
Power-on Reset Slope Rate
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
RESET Pin Threshold Voltage
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
T
A
= -40°C to 85°C
(1)
V
V
V
Condition
T
T
T
T
T
V
V
A
A
CC
CC
CC
to 85°C
to 85°C
A
A
A
CC
CC
= -40°C
= -40°C
= 25°C
= 25°C
= 25°C
= 2.7V,
= 2.7V,
= 2.7V,
= 3V
= 3V
(1)
0.2 V
Min
1.1
0.6
0.1
1.0
CC
Min.
0.01
1.1
0.6
Typ
1.4
1.3
1.1
50
40
15
2
Typ
1.4
1.3
0.9 V
Max
1.6
1.6
2.5
1.2
4.5
70
Max
1.6
1.6
10
POT
POT
CC
(falling)
(falling)
Units
V/ms
Units
V/ms
mV
V
µA
µs
µs
µs
V
V
V
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