ATMEGA325P-20MU Atmel, ATMEGA325P-20MU Datasheet - Page 333

• Manufacturer Part Number: ATMEGA325P-20MU
• Description: IC MCU AVR 32K FLASH 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325P-20MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• 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-MLF®, 64-QFN
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI, UART, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• 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: 10 bit, 8 Channel
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA325P-16MU; ATMEGA325P-16MU

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ATmega325P/3250P
Figure 27-36. I/O Pin Hysteresis vs. V
Figure 27-37. Reset Input Threshold Voltage vs. V
2.5
1.5
0.5
0.7
0.6
0.5
0.4
0.3
0.2
0.1
2
1
0
0
1.5
1.5
I/O PIN INPUT HYSTERESIS vs. V
2
2
RESET INPUT THRESHOLD VOLTAGE vs. V
2.5
2.5
CC
3
3
VIH, IO PIN READ AS '1'
, Port A,C,D,E,F,G,H,J
V
V
CC
CC
3.5
3.5
(V)
(V)
CC
CC
, PORT A, C, D, E, F, G, H, J
(V
4
4
IH
, IO Pin Read as ¨1¨)
4.5
4.5
CC
5
5
5.5
5.5
-40 °C
-40 °C
8023F–AVR–07/09
25 °C
85 °C
25 °C
85 °C