ATMEGA128A-AUR Atmel, ATMEGA128A-AUR Datasheet - Page 328

• 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
Figure 27-7. SPI Interface Timing Requirements (Master Mode)
Figure 27-8. SPI Interface Timing Requirements (Slave Mode)
(Data Output)
(Data Output)
(Data Input)
(Data Input)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
MOSI
MISO
SCK
SCK
SCK
SCK
SS
SS
9
18
13
6
4
MSB
MSB
5
MSB
MSB
14
15
7
...
...
...
...
11
2
LSB
10
1
LSB
ATmega128A
LSB
LSB
11
2
12
3
16
8
X
17
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