ATmega168A Atmel Corporation, ATmega168A Datasheet - Page 329

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ATmega168A

Manufacturer Part Number
ATmega168A
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168A

Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
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
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
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
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
29.8
ADC Characteristics
Table 29-16. ADC Characteristics
Symbol
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
Differential Non-Linearity
(DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
(1)
AV
Analog Supply Voltage
CC
V
Reference Voltage
REF
V
Input Voltage
IN
Input Bandwidth
V
Internal Voltage Reference
INT
R
Reference Input Resistance
REF
R
Analog Input Resistance
AIN
Note:
1. AV
absolute min./max: 1.8V/5.5V
CC
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
Condition
Min.
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
V
= 4V, V
= 4V,
REF
CC
ADC clock = 1MHz
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
Noise Reduction Mode
V
= 4V, V
= 4V,
REF
CC
ADC clock = 1MHz
Noise Reduction Mode
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
V
= 4V, V
= 4V,
REF
CC
ADC clock = 200kHz
Free Running Conversion
13
50
V
- 0.3
CC
1.0
GND
1.0
Typ
Max
Units
10
Bits
2
LSB
4.5
LSB
2
LSB
4.5
LSB
0.5
LSB
0.25
LSB
2
LSB
2
LSB
260
µs
1000
kHz
V
+ 0.3
V
CC
AV
V
CC
V
V
REF
38.5
kHz
1.1
1.2
V
32
100
329

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