ATMEGA649-16MI Atmel, ATMEGA649-16MI Datasheet - Page 84
![IC AVR MCU FLASH 64K 5V 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA649-16MI
Manufacturer Part Number
ATMEGA649-16MI
Description
IC AVR MCU FLASH 64K 5V 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649-16MI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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13.3.9
84
ATmega329/3290/649/6490
Alternate Functions of Port J
Table 13-26. Overriding Signals for Alternate Functions in PH3:0
Port J is only present in ATmega3290/6490. The alternate pin configuration is as follows:
Table 13-27. Port J Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT30/SEG – Port J, Bit 6
PCINT30, Pin Change Interrupt Source 30: The PE30 pin can serve as an external interrupt
source.
SEG, LCD front plane 27.
• PCINT29/SEG – Port J, Bit 5
PCINT29, Pin Change Interrupt Source 29: The PE29 pin can serve as an external interrupt
source.
SEG, LCD front plane28.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PH3/PCINT19/
SEG7
LCDEN
0
LCDEN
0
0
0
–
PCINT19 •
PCIE0 •LCDEN •
LCDPM
PCINT19 INPUT
LCDSEG
Alternate Function
PCINT30/SEG (Pin Change Interrupt30 or LCD Front Plane 27)
PCINT29/SEG (Pin Change Interrupt29 or LCD Front Plane 28)
PCINT28/SEG (Pin Change Interrupt28 or LCD Front Plane 29)
PCINT27/SEG (Pin Change Interrupt27 or LCD Front Plane 30)
PCINT26/SEG(Pin Change Interrupt26 or LCD Front Plane 31)
PCINT25/SEG(Pin Change Interrupt25 or LCD Front Plane 34)
PCINT24/SEG (Pin Change Interrupt26 or LCD Front Plane 35)
PH2/PCINT18/
SEG8
LCDEN
0
LCDEN
0
0
0
–
PCINT18 •
PCIE0 •LCDEN •
LCDPM
PCINT18 INPUT
LCDSEG
PH1/PCINT17/
SEG9
LCDEN
0
LCDEN
0
0
0
–
PCINT17 •
PCIE0 •LCDEN •
LCDPM
PCINT17 INPUT
LCDSEG
PH0/PCINT16/
SEG10
LCDEN
0
LCDEN
0
0
0
–
PCINT16 •
PCIE0 •LCDEN •
LCDPM
PCINT16 INPUT
LCDSEG
2552K–AVR–04/11
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