ATmega128A Atmel Corporation, ATmega128A Datasheet - Page 330

• Manufacturer Part Number: ATmega128A
• Manufacturer: Atmel Corporation

Specifications of ATmega128A

• Flash (kbytes): 128 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): 4096
• 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 27-8.
8151H–AVR–02/11
Symbol
AV
V
V
V
REF
DIFF
IN
CC
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
ADC Characteristics, Differential Channels
Gain = 1x
V
ADC clock = 50 - 200kHz
Gain = 10x
V
ADC clock = 50 - 200kHz
Gain = 200x
V
ADC clock = 50 - 200kHz
Gain = 1x
V
ADC clock = 50 - 200kHz
Gain = 10x
V
ADC clock = 50 - 200kHz
Gain = 200x
V
ADC clock = 50 - 200kHz
Gain = 1x
V
ADC clock = 50 - 200kHz
Gain = 10x
V
ADC clock = 50 - 200kHz
Gain = 200x
V
ADC clock = 50 - 200kHz
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
Min
GND
-511
2.0
50
65
- 0.3
/Gain
(1)
(2)
Typ
1.5
1.5
1.5
0.5
17
17
7
2
5
2
3
4
4
ATmega128A
(1)
V
AV
V
CC
REF
Max
CC
200
260
V
511
+ 0.3
10
10
10
CC
/Gain
- 0.5
(1)
(3)
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
Bits
kHz
kHz
µs
%
%
%
V
V
V
V
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