ATMEGA325-16AU Atmel, ATMEGA325-16AU Datasheet - Page 312

• Manufacturer Part Number: ATMEGA325-16AU
• Description: IC AVR MCU 32K 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325-16AU

• 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: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K 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-TQFP, 64-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/UART/USI
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 54
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• Package: 64TQFP
• Family Name: ATmega
• Maximum Speed: 16 MHz
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.3.0.1
28.4
2570M–AVR–04/11
Power-down Supply Current
Example
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
USART0, 9% for the SPI, and 4.8% for the TIMER1 module. From
idle current consumption is ~0.16mA at V
tion in idle mode with USART0, TIMER1, and SPI enabled, gives:
Figure 28-11. Power-down Supply Current vs. V
Figure 28-12. Power-down Supply Current vs. V
I
CC
total
3.5
2.5
1.5
0.5
≈
20
18
16
14
12
10
4
3
2
1
0
8
6
4
2
0
0.16mA
1.5
1.5
CC
•
= 3.0V and F = 1MHz.
(
2
2
1
+
0.085
2.5
2.5
+
0.09
+
0.048
3
3
)
Table 28-2
V
≈
V
CC
CC
CC
3.5
3.5
0.20mA
(V)
(V)
ATmega325/3250/645/6450
= 3.0V and F = 1MHz. The total current consump-
CC
CC
(Watchdog Timer Disabled)
(Watchdog Timer Enabled)
4
4
shows that we need to add 8.5% for the
4.5
4.5
Figure
5
5
28-6, we find that the
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
312