ATMEGA645A-AU Atmel, ATMEGA645A-AU Datasheet - Page 320

• Manufacturer Part Number: ATMEGA645A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645A-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, 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

27.2.3
Table 27-3.
Notes:
27.2.4
Table 27-4.
Notes:
320
Symbol
I
Symbol
I
CC
CC
1. All bits set in the
2. Typical values at 25 °C. Maximum values are characterized values and not test limits in production.
1. All bits set in the
2. Typical values at 25°C. Maximum values are characterized values and not test limits in production.
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
ATmega325A DC Characteristics TBD
ATmega325PA DC Characteristics TBD
Parameter
Power Supply Current
Power-save mode
Power-down mode
Parameter
Power Supply Current
Power-save mode
Power-down mode
T
T
A
A
= -40°C to 85°C, V
= -40°C to 85°C, V
”Power Reduction Register” on page
”Power Reduction Register” on page
(2)
(2)
(2)
(2)
(1)
(1)
CC
CC
Active 1MHz, V
Active 4MHz, V
Active 8MHz, V
Idle 1MHz, V
Idle 4MHz, V
Idle 8MHz, V
32kHz TOSC enabled,
V
32kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
Active 1MHz, V
Active 4MHz, V
Active 8MHz, V
Idle 1MHz, V
Idle 4MHz, V
Idle 8MHz, V
32kHz TOSC enabled,
V
32kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
Condition
Condition
= 1.8V to 5.5V (unless otherwise noted)
= 1.8V to 5.5V (unless otherwise noted)
CC
CC
CC
CC
= 1.8V
= 3V
= 1.8V
= 3V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
= 2V
= 3V
= 5V
CC
CC
CC
CC
= 2V
= 3V
= 5V
= 2V
= 3V
= 5V
= 3V
= 3V
= 3V
= 3V
41.
41.
Min.
Min.
Typ.
Typ.
Max.
Max.
8285B–AVR–03/11
Units
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA