ATMEGA1284P-PU Atmel, ATMEGA1284P-PU Datasheet - Page 88

• 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

13.3.4
8272A–AVR–01/10
Alternate Functions of Port D
Table 13-11. Overriding Signals for Alternate Functions in PC3:PC0
The Port D pins with alternate functions are shown in
Table 13-12. Port D Pins Alternate Functions
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Port Pin
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PC3/TMS/
PCINT19
JTAGEN
1
JTAGEN
0
0
0
JTAGEN +
PCINT19 • PCIE2
JTAGEN
PCINT19 INPUT
TMS INPUT
Alternate Function
OC2A (Timer/Counter2 Output Compare Match A Output)
PCINT31 (Pin Change Interrupt 31)
ICP1 (Timer/Counter1 Input Capture Trigger)
OC2B (Timer/Counter2 Output Compare Match B Output)
PCINT30 (Pin Change Interrupt 30)
OC1A (Timer/Counter1 Output Compare Match A Output)
PCINT29 (Pin Change Interrupt 29)
OC1B (Timer/Counter1 Output Compare Match B Output)
XCK1 (USART1 External Clock Input/Output)
PCINT28 (Pin Change Interrupt 28)
INT1 (External Interrupt1 Input)
TXD1 (USART1 Transmit Pin)
PCINT27 (Pin Change Interrupt 27)
INT0 (External Interrupt0 Input)
RXD1 (USART1 Receive Pin)
PCINT26 (Pin Change Interrupt 26)
TXD0 (USART0 Transmit Pin)
PCINT25 (Pin Change Interrupt 25)
RXD0 (USART0 Receive Pin)
PCINT24 (Pin Change Interrupt 24)
PC2/TCK/
PCINT18
JTAGEN
1
JTAGEN
0
0
0
JTAGEN +
PCINT18 • PCIE2
JTAGEN
PCINT18 INPUT
TCK INPUT
Table
PC1/SDA/
PCINT17
TWEN
PORTC1 • PUD
TWEN
0
TWEN
SDA OUT
PCINT17 • PCIE2
1
PCINT17 INPUT
SDA INPUT
13-12.
PC0/SCL/
PCINT16
TWEN
PORTC0 • PUD
TWEN
0
TWEN
SCL OUT
PCINT16 • PCIE2
1
PCINT16 INPUT
SCL INPUT
88