ATMEGA128A-AUR Atmel, ATMEGA128A-AUR Datasheet - Page 80

• Manufacturer Part Number: ATMEGA128A-AUR
• Description: MCU AVR 128K FLASH 16MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-AUR

• 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: 53
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8151H–AVR–02/11
Table 12-12. Overriding Signals for Alternate Functions PD7:PD4
Table 12-13. Overriding Signals for Alternate Functions in PD3:PD0
Note:
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. When enabled, the Two-wire Serial Interface enables Slew-Rate controls on the output pins
PD0 and PD1. This is not shown in this table. In addition, spike filters are connected between
the AIO outputs shown in the port figure and the digital logic of the TWI module.
PD3/INT3/TXD1
TXEN1
0
TXEN1
1
TXEN1
TXD1
INT3 ENABLE
1
INT3 INPUT
–
PD7/T2
0
0
0
0
0
0
0
0
T2 INPUT
–
PD2/INT2/RXD1
RXEN1
PORTD2 • PUD
RXEN1
0
0
0
INT2 ENABLE
1
INT2 INPUT/RXD1
–
PD6/T1
0
0
0
0
0
0
0
0
T1 INPUT
–
PD5/XCK1
0
0
0
0
UMSEL1
XCK1 OUTPUT
0
0
XCK1 INPUT
–
PD1/INT1/SDA
TWEN
PORTD1 • PUD
TWEN
SDA_OUT
TWEN
0
INT1 ENABLE
1
INT1 INPUT
SDA INPUT
(1)
ATmega128A
PD0/INT0/SCL
TWEN
PORTD0 • PUD
TWEN
SCL_OUT
TWEN
0
INT0 ENABLE
1
INT0 INPUT
SCL INPUT
PD4/ICP1
0
0
0
0
0
0
0
0
ICP1 INPUT
–
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