ATMEGA2561V-8AU Atmel, ATMEGA2561V-8AU Datasheet - Page 94
![IC AVR MCU 256K 8MHZ 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA2561V-8AU
Manufacturer Part Number
ATMEGA2561V-8AU
Description
IC AVR MCU 256K 8MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA2561V-8AU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K 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, 64-VQFP
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
54
Number Of Timers
6
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA2561V-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 94 of 444
- Download datasheet (10Mb)
12.3.9
2549M–AVR–09/10
Alternate Functions of Port J
Table 12-26. Overriding Signals for Alternate Functions in PH3:PH0
The Port J alternate pin configuration is as follows:
Table 12-27. Port J Pins Alternate Functions
• PCINT15:12 - Port J, Bit 6:3
PCINT15:12, Pin Change Interrupt Source 15:12. The PJ6:3 pins can serve as External Interrupt
Sources.
• XCK2/PCINT11 - Port J, Bit 2
XCK2, USART 2 External Clock. The Data Direction Register (DDJ2) controls whether the clock
is output (DDJ2 set) or input (DDJ2 cleared). The XCK2 pin is active only when the USART2
operates in synchronous mode.
PCINT11, Pin Change Interrupt Source 11. The PJ2 pin can serve as External Interrupt
Sources.
Signal Name
DIEOE
DIEOV
Port Pin
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
AIO
DI
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
OC4A ENABLE
PH3/OC4A
OC4A
XCK3/PCINT11 (USART3 External Clock or Pin Change Interrupt 11)
0
0
0
0
–
0
0
0
–
TXD3/PCINT10 (USART3 Transmit Pin or Pin Change Interrupt 10)
RXD3/PCINT9 (USART3 Receive Pin or Pin Change Interrupt 9)
ATmega640/1280/1281/2560/2561
XCK2 OUTPUT
XCK2 OUTPUT
PCINT15 (Pin Change Interrupt 15)
PCINT14 (Pin Change Interrupt 14)
PCINT13 (Pin Change Interrupt 13)
PCINT12 (Pin Change Interrupt 12)
XC2K INPUT
PH2/XCK2
ENABLE
ENABLE
XCK2
0
0
1
–
0
0
–
Alternate Function
–
PH1/TXD2
TXEN2
TXEN2
TXEN2
TXD2
0
1
–
0
0
0
–
PORTH0 • PUD
PH0/RXD2
RXEN2
RXEN2
RXD2
0
0
0
–
0
0
–
94
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