ATMEGA1284A-AU
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44Manufacturer: Microchip Technology
Categories: Microcontrollers
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The Microchip Technology ATMEGA128A-AU is an 8-bit AVR RISC microcontroller featuring 131KB of FLASH program memory and 16KB of SRAM. This device operates at a maximum clock frequency of 20MHz and supports a supply voltage range of 5.0V to 5.5V, with additional operation down to 2.7V at 10MHz and 1.8V at 4MHz. It offers 32 programmable I/O lines and includes multiple peripherals such as 8-channel 10-bit ADCs, two USARTs, I2C, SPI, and eight PWM channels. The ATMEGA128A-AU is housed in a 44-lead TQFP package and is suitable for applications in industrial automation, consumer electronics, and IoT devices. It supports low-power modes and includes on-chip features like BOD, POR, and WDT for robust operation.
Additional Information
Series: ATMEGA128RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: ActivePackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Format | Fixed Point |
| Length | 10.0000 |
| Speed | 20.00000000 |
| Width | 10.0000 |
| Technology | CMOS |
| Connectivity | I2C, SPI, USART(2) |
| Peripherals | ANALOG COMPARATOR, BOD, POR, PWM(8), TIMER(4), WDT |
| A_D_Converters | 8-Ch 10-Bit |
| ADC_Channels | Yes |
| Additional_Feature | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ |
| Address_Bus_Width | 0 |
| Bit_Size | 8 |
| Boundary_Scan | Yes |
| Clock_Frequency_Max | 20.0000000000000000 |
| CPU_Family | AVR RISC |
| DAC_Channels | No |
| Data_EEPROM_Size | 4096 |
| Data_RAM_Size | 16384 |
| DMA_Channels | No |
| External_Data_Bus_Width | 0 |
| Integrated_Cache | No |
| JESD_30_Code | S-PQFP-G44 |
| Low_Power_Mode | Yes |
| Number_of_External_Interrupts | 3 |
| Number_of_I_O_Lines | 32 |
| Number_of_Terminals | 44 |
| Number_of_Timers | 3 |
| On_Chip_Data_RAM_Width | 8 |
| Operating_Temperature_Max | 85.0000 |
| Operating_Temperature_Min | -40.0000 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | TQFP |
| Package_Equivalence_Code | TQFP44,.47SQ,32 |
| Package_Shape | Square |
| Package_Style | FLATPACK, THIN PROFILE |
| Program_Memory_Size | 131072 |
| Program_Memory_Type | FLASH |
| Program_Memory_Width | 8 |
| PWM_Channels | Yes |
| Seated_Height_Max | 1.2000 |
| Supply_Current_Max | 12.00000000 |
| Supply_Voltage_Max | 5.5000 |
| Supply_Voltage_Min | 5.0000 |
| Supply_Voltage_Nom | 5.0000 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 0.800 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | MICROCONTROLLER, RISC |
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