Microchip Technology ATXMEGA128B1-AU Microcontrollers
IC MCU 8/16B 128KB FLASH 100TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATXMEGA128B1-AU
Base Model
Detailed Description
IC MCU 8/16B 128KB FLASH 100TQFP
Package
100-TQFP
Lifecycle Status
Active
Datasheet
ATXMEGA128B1-AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATXMEGA128B1-AU Microcontrollers technical specifications.
General
Series
XMEGA B1
RAM Size
8K x 8
Data Bus Width
8 bit/16 bit
Maximum Clock Frequency
32 MHz
RoHS
Yes
Package / Case
100-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.6V ~ 3.6V
Lifecycle Status
Active
Alternate Parts Comparison (ATXMEGA128B1-AU vs ATXMEGA128B3 vs ATXMEGA128B3-AU vs ATXMEGA128B3-MN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 100-TQFP | -- | 64-TQFP | 64-VQFN Dual Rows, Exposed Pad |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -- | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.6V ~ 3.6V | -- | 1.6V ~ 3.6V | 1.6V ~ 3.6V |
| Core Processor | AVR | -- | AVR | AVR |
| Core Size | 8/16-Bit | -- | 8/16-Bit | 8/16-Bit |
| RAM Size | 8K x 8 | -- | 8K x 8 | 8K x 8 |
| Connectivity | I²C, IrDA, SPI, UART/USART, USB | -- | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART, USB |
| Data Converters | A/D 16x12b | -- | A/D 8x12b | A/D 8x12b |
| EEPROM Size | 2K x 8 | -- | 2K x 8 | 2K x 8 |
| Number of I/O | 53 | -- | 36 | 36 |
| Oscillator Type | Internal | -- | Internal | Internal |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NXP
IC MCU 16BIT 128KB FLASH 100LQFP
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.