ATmega168P

Manufacturer Part NumberATmega168P
ManufacturerAtmel Corporation
ATmega168P datasheets
 

Specifications of ATmega168P

Flash (kbytes)16 KbytesPin Count32
Max. Operating Frequency20 MHzCpu8-bit AVR
# Of Touch Channels16Hardware Qtouch AcquisitionNo
Max I/o Pins23Ext Interrupts24
Usb SpeedNoUsb InterfaceNo
Spi2Twi (i2c)1
Uart1Graphic LcdNo
Video DecoderNoCamera InterfaceNo
Adc Channels8Adc Resolution (bits)10
Adc Speed (ksps)15Analog Comparators1
Resistive Touch ScreenNoTemp. SensorYes
Crypto EngineNoSram (kbytes)1
Eeprom (bytes)512Self Program MemoryYES
Dram MemoryNoNand InterfaceNo
PicopowerYesTemp. Range (deg C)-40 to 85
I/o Supply Class1.8 to 5.5Operating Voltage (vcc)1.8 to 5.5
FpuNoMpu / Mmuno / no
Timers3Output Compare Channels6
Input Capture Channels1Pwm Channels6
32khz RtcYesCalibrated Rc OscillatorYes
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Table 14-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
14.3.2
Alternate Functions of Port C
The Port C pins with alternate functions are shown in
Table 14-6.
Port Pin
8025M–AVR–6/11
Overriding Signals for Alternate Functions in PB3..PB0
PB3/MOSI/
PB2/SS/
OC2/PCINT3
OC1B/PCINT2
SPE • MSTR
SPE • MSTR
PORTB3 • PUD
PORTB2 • PUD
SPE • MSTR
SPE • MSTR
0
0
SPE • MSTR +
OC1B ENABLE
OC2A ENABLE
SPI MSTR OUTPUT
OC1B
+ OC2A
PCINT3 • PCIE0
PCINT2 • PCIE0
1
1
PCINT3 INPUT
PCINT2 INPUT
SPI SLAVE INPUT
SPI SS
Port C Pins Alternate Functions
Alternate Function
RESET (Reset pin)
PC6
PCINT14 (Pin Change Interrupt 14)
ADC5 (ADC Input Channel 5)
PC5
SCL (2-wire Serial Bus Clock Line)
PCINT13 (Pin Change Interrupt 13)
ADC4 (ADC Input Channel 4)
PC4
SDA (2-wire Serial Bus Data Input/Output Line)
PCINT12 (Pin Change Interrupt 12)
ADC3 (ADC Input Channel 3)
PC3
PCINT11 (Pin Change Interrupt 11)
ADC2 (ADC Input Channel 2)
PC2
PCINT10 (Pin Change Interrupt 10)
ADC1 (ADC Input Channel 1)
PC1
PCINT9 (Pin Change Interrupt 9)
ADC0 (ADC Input Channel 0)
PC0
PCINT8 (Pin Change Interrupt 8)
ATmega48P/88P/168P
PB1/OC1A/
PB0/ICP1/
PCINT1
PCINT0
0
0
0
0
0
0
0
0
OC1A ENABLE
0
OC1A
0
PCINT1 • PCIE0
PCINT0 • PCIE0
1
1
PCINT0 INPUT
PCINT1 INPUT
ICP1 INPUT
Table
14-6.
83