ATMEGA1284-AU Atmel, ATMEGA1284-AU Datasheet - Page 88
ATMEGA1284-AU
Manufacturer Part Number
ATMEGA1284-AU
Description
IC MCU AVR 128K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-AU
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
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA1284-AU
Manufacturer:
ATMEL
Quantity:
1 200
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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
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