ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 87

IC MCU AVR 64K FLASH 64TQFP

ATMEGA649A-AU

Manufacturer Part Number
ATMEGA649A-AU
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA649A-AU

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
54
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA649A-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA649A-AUR
Manufacturer:
Atmel
Quantity:
10 000
13.3.8
8284A–AVR–10/10
Alternate Functions of Port H
Table 13-23. Overriding Signals for Alternate Functions in PG3:0
1.
2.
Port H is only present in ATmega3290A/3290PA/6490A/6490P. The alternate pin configuration
is as follows:
Table 13-24. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23/SEG – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt
source.
SEG, LCD front plane 36.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
Port Pin
(1)
(2)
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
PG3/T1/
SEG(33/24)
LCDEN
0
LCDEN
0
0
0
LCDEN • (LCDPM)
0
T1 INPUT
SEG24
LCDSEG
Alternate Function
PCINT23/SEG (Pin Change Interrupt23 or LCD Front Plane 36)
PCINT22/SEG (Pin Change Interrupt22 or LCD Front Plane 37)
PCINT21/SEG (Pin Change Interrupt21 or LCD Front Plane 38)
PCINT20/SEG (Pin Change Interrupt20 or LCD Front Plane 39)
PCINT19/SEG (Pin Change Interrupt19 or LCD Front Plane 7)
PCINT18/SEG (Pin Change Interrupt18 or LCD Front Plane 8)
PCINT17/SEG (Pin Change Interrupt17 or LCD Front Plane 9)
PCINT16/SEG (Pin Change Interrupt16 or LCD Front Plane 10)
PG2/SEG(4/4)
LCDEN
0
LCDEN
0
0
0
LCDEN
0
SEG4
LCDSEG
PG1/SEG(17/13)
LCDEN
0
LCDEN
0
0
0
LCDEN • (LCDPM)
0
SEG13
LCDSEG
PG0/SEG(1814)
LCDEN
0
LCDEN
0
0
0
LCDEN • (LCDPM)
0
SEG14
LCDSEG
87

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