ATmega64 Atmel Corporation, ATmega64 Datasheet - Page 333

• Manufacturer Part Number: ATmega64
• Manufacturer: Atmel Corporation

Specifications of ATmega64

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• 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: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table 136. ADC Characteristics, Differential Channels, -40°C – 85°C
2490Q–AVR–06/10
Symbol
AVCC
V
V
V
REF
DIFF
IN
Parameter
Resolution
Absolute Accuracy
Integral Non-Linearity (INL)
(Accuracy after Calibration for Offset and
Gain Error)
Gain Error
Offset Error
Clock Frequency
Conversion Time
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Differential Voltage
ADC Conversion Output
Input Bandwidth
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 10x
V
ADC clock = 50 - 200 kHz
Gain = 200x
V
ADC clock = 50 - 200 kHz
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 10x
V
ADC clock = 50 - 200 kHz
Gain = 200x
V
ADC clock = 50 - 200 kHz
Gain = 1x
V
ADC clock = 50 - 200 kHz
Gain = 10x
V
ADC clock = 50 - 200 kHz
Gain = 200x
V
ADC clock = 50 - 200 kHz
REF
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Gain =
Gain = 10x
Gain = 200x
Gain =
Gain = 10x
Gain = 200x
Condition
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
1x
1x
-V
V
CC
REF
GND
-511
Min
2.0
50
13
–0.3
/Gain
(1)
0.75
0.75
Typ
2.5
1.6
1.6
0.3
1.5
16
16
8
1
6
4
ATmega64(L)
V
AVCC – 0.5
V
CC
REF
1000
Max
260
V
511
+ 0.3
10
10
10
CC
/Gain
(2)
Units
LSB
LSB
LSB
Bits
kHz
kHz
µs
%
V
333