ATmega1284P Atmel Corporation, ATmega1284P Datasheet - Page 87

• Manufacturer Part Number: ATmega1284P
• Manufacturer: Atmel Corporation

Specifications of ATmega1284P

• Flash (kbytes): 128 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): 16
• Eeprom (bytes): 4096
• 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

8272C–AVR–06/11
Table 14-10. Overriding Signals for Alternate Functions in PC7:PC4
Table 14-11. Overriding Signals for Alternate Functions in PC3:PC0
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
T/C2 OSC OUTPUT
PC7/TOSC2/
PCINT23
AS2 • EXCLK
0
AS2 • EXCLK
0
0
0
AS2 • EXCLK +
PCINT23 • PCIE2
AS2
PCINT23 INPUT
PC3/TMS/
PCINT19
JTAGEN
1
JTAGEN
0
0
0
JTAGEN +
PCINT19 • PCIE2
JTAGEN
PCINT19 INPUT
TMS INPUT
ATmega164A/PA/324A/PA/644A/PA/1284/P
PC2/TCK/
PCINT18
JTAGEN
1
JTAGEN
0
0
0
JTAGEN +
PCINT18 • PCIE2
JTAGEN
PCINT18 INPUT
TCK INPUT
PC6/TOSC1/
PCINT22
AS2
0
AS2
0
0
0
AS2 +
PCINT22 • PCIE2
EXCLK + AS2
PCINT22 INPUT
T/C2 OSC
INPUT
PC1/SDA/
PCINT17
TWEN
PORTC1 • PUD
TWEN
0
TWEN
SDA OUT
PCINT17 • PCIE2
1
PCINT17 INPUT
SDA INPUT
PC5/TDI/
PCINT21
JTAGEN
1
JTAGEN
0
0
0
JTAGEN +
PCINT21 • PCIE2
JTAGEN
PCINT21 INPUT
TDI INPUT
PC0/SCL/
PCINT16
TWEN
PORTC0 • PUD
TWEN
0
TWEN
SCL OUT
PCINT16 • PCIE2
1
PCINT16 INPUT
SCL INPUT
PC4/TDO/
PCINT20
JTAGEN
1
JTAGEN
SHIFT_IR +
SHIFT_DR
JTAGEN
TDO
JTAGEN +
PCINT20 • PCIE2
JTAGEN
PCINT20 INPUT
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