ATMEGA325P-20AU Atmel, ATMEGA325P-20AU Datasheet - Page 88

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

Specifications of ATMEGA325P-20AU

• 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-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: 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
• Package: 64TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Rom Size: 1 KB
• Height: 1 mm
• Length: 14 mm
• Supply Voltage (max): 5.5 V, 5.8 V
• Supply Voltage (min): 2.4 V, 2.7 V
• Width: 14 mm
• 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
• Other names: ATMEGA325P-16AU; ATMEGA325P-16AU

13.4.24
13.4.25
13.4.26
13.4.27
13.4.28
88
ATmega325P/3250P
DDRH – Port H Data Direction Register
PINH – Port H Input Pins Address
PORTJ – Port J Data Register
DDRJ – Port J Data Direction Register
PINJ – Port J Input Pins Address
Note:
Bit
(0xD9)
Read/Write
Initial Value
Bit
(0xD8)
Read/Write
Initial Value
Bit
(0xDD)
Read/Write
Initial Value
Bit
(0xDC)
Read/Write
Initial Value
Bit
(0xDB)
Read/Write
Initial Value
1. Register only available in ATmega3250P.
PINH7
DDH7
R/W
R/W
N/A
(1)
R
R
R
7
0
7
7
–
0
7
–
0
7
–
0
(1)
(1)
PORTJ6
PINH6
DDH6
PINJ6
DDJ6
R/W
R/W
R/W
R/W
R/W
N/A
(1)
N/A
(1)
6
0
6
0
6
6
0
6
PORTJ5
PINH5
DDH5
PINJ5
DDJ5
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
5
0
5
PORTJ4
PINH4
PINJ4
DDH4
DDJ4
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
4
0
4
4
PORTJ3
PINH3
DDH3
DDJ3
PINJ3
R/W
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
0
3
3
PORTJ2
PINH2
PINJ2
DDH2
DDJ2
R/W
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
2
2
0
2
PORTJ1
PINH1
DDH1
DDJ1
PINJ1
R/W
R/W
R/W
R/W
R/W
N/A
N/A
1
0
1
0
1
1
0
1
PORTJ0
PINH0
DDH0
DDJ0
PINJ0
R/W
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
0
0
8023F–AVR–07/09
PORTJ
DDRJ
DDRH
PINH
PINJ