ATMEGA1281-16MU Atmel, ATMEGA1281-16MU Datasheet - Page 82

• Manufacturer Part Number: ATMEGA1281-16MU
• Description: IC MCU AVR 128K FLASH 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA1281-16MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K 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: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 8 KB
• Interface Type: 2-Wire, SPI, UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 6
• Operating Supply Voltage: 4.5 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, ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 channel
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.3
2549M–AVR–09/10
Alternate Functions of Port C
The Port C alternate function is as follows:
Table 12-9.
Table 12-10
signals shown in
Table 12-10. Overriding Signals for Alternate Functions in PC7:PC4
DIEOE
Signal
DIEOV
DDOE
Name
PUOE
PUOV
DDOV
PVOE
PVOV
AIO
DI
Port Pin
and
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Port C Pins Alternate Functions
SRE • (XMM<1)
SRE • (XMM<1)
SRE • (XMM<1)
Table 12-11 on page 83
Figure 12-5 on page
PC7/A15
A15
0
1
0
0
–
–
ATmega640/1280/1281/2560/2561
SRE • (XMM<2)
SRE • (XMM<2)
SRE • (XMM<2)
76.
PC6/A14
relate the alternate functions of Port C to the overriding
A14
A15 (External Memory interface address bit 15)
A14 (External Memory interface address bit 14)
A13 (External Memory interface address bit 13)
A12 (External Memory interface address bit 12)
A11 (External Memory interface address bit 11)
A10 (External Memory interface address bit 10)
A9 (External Memory interface address bit 9)
A8 (External Memory interface address bit 8)
0
1
0
0
–
–
Alternate Function
SRE • (XMM<3)
SRE • (XMM<3)
SRE • (XMM<3)
PC5/A13
A13
0
1
0
0
–
–
SRE • (XMM<4)
SRE • (XMM<4)
SRE • (XMM<4)
PC4/A12
A12
0
1
0
0
–
–
82