ATmega324PA Atmel Corporation, ATmega324PA Datasheet - Page 85

• Manufacturer Part Number: ATmega324PA
• Manufacturer: Atmel Corporation

Specifications of ATmega324PA

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• 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): 2
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• 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

14.3.3
8272C–AVR–06/11
Alternate Functions of Port C
Table 14-8.
The Port C pins with alternate functions are shown in
Table 14-9.
• TOSC2/PCINT23 – Port C, Bit7
TOSC2, Timer Oscillator pin 2. The PC7 pin can serve as an external interrupt source to the
MCU.
PCINT23, Pin Change Interrupt source 23: The PC7 pin can serve as an external interrupt
source.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PB3/AIN1/OC0B/
PCINT11
0
0
0
0
OC0B ENABLE
OC0B
PCINT11 • PCIE1
1
PCINT11 INPUT
AIN1 INPUT
Alternate Function
TOSC2 (Timer Oscillator pin 2)
PCINT23 (Pin Change Interrupt 23)
TOSC1 (Timer Oscillator pin 1)
PCINT22 (Pin Change Interrupt 22)
TDI (JTAG Test Data Input)
PCINT21 (Pin Change Interrupt 21)
TDO (JTAG Test Data Output)
PCINT20 (Pin Change Interrupt 20)
TMS (JTAG Test Mode Select)
PCINT19 (Pin Change Interrupt 19)
TCK (JTAG Test Clock)
PCINT18 (Pin Change Interrupt 18)
SDA (2-wire Serial Bus Data Input/Output Line)
PCINT17 (Pin Change Interrupt 17)
SCL (2-wire Serial Bus Clock Line)
PCINT16 (Pin Change Interrupt 16)
ATmega164A/PA/324A/PA/644A/PA/1284/P
Overriding Signals for Alternate Functions in PB3:PB0
Port C Pins Alternate Functions
PB2/AIN0/INT2/
PCINT10
0
0
0
0
0
0
INT2 ENABLE
PCINT10 • PCIE1
1
INT2 INPUT
PCINT10 INPUT
AIN0 INPUT
Table
PB1/T1/CLKO/PCIN
T9
0
0
CKOUT
CKOUT
CKOUT
CLK I/O
PCINT9 • PCIE1
1
T1 INPUT
PCINT9 INPUT
–
14-9.
PB0/T0/XCK/
PCINT8
0
0
0
0
0
0
PCINT8 • PCIE1
1
T0 INPUT
PCINT8 INPUT
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