ATmega168A Atmel Corporation, ATmega168A Datasheet - Page 90

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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

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14.3.3
8271D–AVR–05/11
Alternate Functions of Port D
Table 14-8.
The Port D pins with alternate functions are shown in
Table 14-9.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PC3/ADC3/
PCINT11
0
0
0
0
0
0
PCINT11 • PCIE1 +
ADC3D
PCINT11 • PCIE1
PCINT11 INPUT
ADC3 INPUT
Overriding Signals for Alternate Functions in PC3...PC0
Port D Pins Alternate Functions
Alternate Function
AIN1 (Analog Comparator Negative Input)
PCINT23 (Pin Change Interrupt 23)
AIN0 (Analog Comparator Positive Input)
OC0A (Timer/Counter0 Output Compare Match A Output)
PCINT22 (Pin Change Interrupt 22)
T1 (Timer/Counter 1 External Counter Input)
OC0B (Timer/Counter0 Output Compare Match B Output)
PCINT21 (Pin Change Interrupt 21)
XCK (USART External Clock Input/Output)
T0 (Timer/Counter 0 External Counter Input)
PCINT20 (Pin Change Interrupt 20)
INT1 (External Interrupt 1 Input)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT19 (Pin Change Interrupt 19)
INT0 (External Interrupt 0 Input)
PCINT18 (Pin Change Interrupt 18)
TXD (USART Output Pin)
PCINT17 (Pin Change Interrupt 17)
RXD (USART Input Pin)
PCINT16 (Pin Change Interrupt 16)
ATmega48A/PA/88A/PA/168A/PA/328/P
PC2/ADC2/
PCINT10
0
0
0
0
0
0
PCINT10 • PCIE1 +
ADC2D
PCINT10 • PCIE1
PCINT10 INPUT
ADC2 INPUT
Table
PC1/ADC1/
PCINT9
0
0
0
0
0
0
PCINT9 • PCIE1 +
ADC1D
PCINT9 • PCIE1
PCINT9 INPUT
ADC1 INPUT
14-9.
PC0/ADC0/
PCINT8
0
0
0
0
0
0
PCINT8 • PCIE1 +
ADC0D
PCINT8 • PCIE1
PCINT8 INPUT
ADC0 INPUT
90

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