ATMEGA1284P-PU Atmel, ATMEGA1284P-PU Datasheet - Page 83

• Manufacturer Part Number: ATMEGA1284P-PU
• Description: MCU AVR 128K ISP FLASH 40-PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA1284P-PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 16 KB
• Interface Type: 2-Wire/SPI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRAVEN, ATAVRRZUSBSTICK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 4KB
• Ram Memory Size: 16KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.3
8059D–AVR–11/09
Alternate Functions of Port C
Table 12-8.
The Port C alternate function is as follows:
Table 12-9.
• 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
–
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)
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
–
PB1/T1/CLKO/PCIN
T9
0
0
0
0
0
0
PCINT9 • PCIE1
1
T1 INPUT
PCINT9 INPUT
–
ATmega1284P
PB0/T0/XCK/
PCINT8
0
0
0
0
0
0
PCINT8 • PCIE1
1
T0 INPUT
PCINT8 INPUT
–
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