ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 4

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

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

1.3
4
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
Pinout - 64MC (DRQFN)
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
VLCDCAP
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PB0
PB1
PB2
PB3
PB5
PB4
Figure 1-3.
Table 1-1.
A9
B8
A10
B9
A11
B10
A12
B11
A13
B12
A14
B13
A15
B14
A16
B15
A17
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
XTAL2 (TOSC2)
XTAL1 (TOSC1)
PD0 (SEG22)
PD1 (SEG21)
PD2 (SEG20)
PD3 (SEG19)
PD4 (SEG18)
PD5 (SEG17)
PD7 (SEG15)
PD6 (SEG16)
Pinout ATmega169A/ATmega169PA
DRQFN-64 Pinout ATmega169A/ATmega169PA
RESET
VCC
GND
PG3
PG4
PB7
PB6
Top view
A18
B16
A19
B17
A20
B18
A21
B19
A22
B20
A23
B21
A24
B22
A25
B22
B21
B20
B19
B18
B17
B16
A25
A24
A23
A22
A21
A20
A19
A18
PG1 (SEG13)
PG0 (SEG14)
PC0 (SEG12)
PC1 (SEG11)
PC2 (SEG10)
PC3 (SEG9)
PC4 (SEG8)
PC5 (SEG7)
PC6 (SEG6)
PC7 (SEG5)
PG2 (SEG4)
PA7 (SEG3)
PA6 (SEG2)
PA4 (SEG0)
PA5 (SEG1)
A25
A24
A23
A22
A21
A20
A19
A18
B22
B21
B20
B19
B18
B17
B16
Bottom view
A26
B23
A27
B24
A28
B25
A29
B26
A30
B27
A31
B28
A32
B29
A33
B30
A34
PA2 (COM2)
PA3 (COM3)
PA1 (COM1)
PA0 (COM0)
8284AS–AVR–10/10
AVCC
AREF
GND
GND
VCC
PF7
PF6
PF5
PF4
PF3
PF2
PF1
PF0
B1
B2
B3
B5
B6
B7
B4
A1
A2
A3
A4
A5
A6
A7
A8