ATxmega128D4 - Microcontroller Microchip - Free user manual and instructions
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| Product Type | 8-bit AVR Microcontroller |
| Model | ATxmega128D4 |
| Manufacturer | Microchip Technology |
| Package Type | 44-pin TQFP (10x10x1.0 mm) |
| Flash Memory | 128 KB |
| SRAM | 8 KB |
| EEPROM | 4 KB |
| Operating Voltage | 1.6 V to 3.6 V |
| Maximum Clock Frequency | 32 MHz |
| Number of I/O Pins | 34 |
| ADC Channels | 16 (12-bit) |
| DAC Channels | 2 (12-bit) |
| Communication Interfaces | USART, SPI, TWI (I²C) |
| Timers | 8 (16-bit) |
| Operating Temperature Range | -40°C to +85°C |
| Power Consumption (Active) | ~10 mA @ 32 MHz, 3.3 V |
| Power Consumption (Idle) | ~2 mA |
| Power Consumption (Sleep) | <0.1 μA (power-down) |
| Maintenance | Keep in dry environment; avoid static discharge |
| Safety Precautions | ESD sensitive; use proper handling and grounding |
| Spare Parts Availability | Not applicable (surface-mount IC) |
| Series | AVR XMEGA |
Frequently Asked Questions - ATxmega128D4 Microchip
What is the programming interface for the ATxmega128D4?
The ATxmega128D4 supports PDI (Program and Debug Interface) for programming and debugging, as well as SPI for in-system programming.
Can the ATxmega128D4 operate at 5V?
No, the maximum operating voltage is 3.6 V. It is not 5V tolerant on I/O pins.
How much internal SRAM does the ATxmega128D4 have?
It has 8 KB of internal SRAM.
What are the main low-power modes?
The device supports Idle, Power-down, Power-save, Standby, and Extended Standby sleep modes, with power consumption as low as 0.1 µA in Power-down mode.
Does the ATxmega128D4 have a built-in ADC?
Yes, it features a 16-channel, 12-bit ADC with programmable gain.
What is the maximum clock frequency?
The maximum operating frequency is 32 MHz.
Can I use external crystal oscillators?
Yes, the device has an internal 32 MHz oscillator and also supports external crystals and resonators up to 32 MHz.
What development tools are compatible?
It is supported by Atmel Studio (now Microchip Studio), AVR GCC, and various third-party tools like IAR Embedded Workbench and Arduino (via core).
How many timers are available?
It has 8 16-bit timers/counters with PWM capabilities.
Is the ATxmega128D4 pin-compatible with other XMEGA devices?
The ATxmega128D4 is part of the XMEGA D4 series and is pin-compatible with other D4 devices in the same package (e.g., ATxmega64D4).
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USER MANUAL ATxmega128D4 Microchip
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Product information
Brand : Microchip
Model : ATxmega128D4
Category : Microcontroller