Microchip Technology AT32UC3A4128-C1UR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.64 | $9.64 |
| 15+ | $9.34 | $140.10 |
| 25+ | $9.14 | $228.50 |
| 50+ | $8.63 | $431.50 |
| 100+ | $7.61 | $761.00 |
| N+ | $1.52 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR®32 UC3 A4 |
| Packaging | Cut Tape (CT) | NULL |
| Core Processor | AVR |
| Core Size | 32-Bit Single-Core |
| Speed | 66MHz |
| Connectivity | EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, POR, WDT |
| Number of I/O | 88 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 128K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.75V ~ 3.6V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-VFBGA (7x7) |
| Package / Case | 100-VFBGA |
| ROHS |  |
The Microchip AT32UC3A4128-C1UR is a 32-bit AVR microcontroller with a 66MHz core. It provides 128KB flash and a generous 128KB RAM. The device operates from 1.75V to 3.6V and is rated for -40°C to 85°C. It includes brown-out detection, DMA, POR, and WDT. The 100-VFBGA package is ideal for space-constrained designs requiring high memory bandwidth.
- 128KB RAM – enables large data buffers and complex state machines without external memory.
- VFBGA package – reduces PCB area by up to 40% compared to TQFP.
- DMA controller – allows peripheral-to-memory transfers without CPU intervention.
- Wide voltage range – supports both 1.8V and 3.3V logic systems.
High-Performance Audio DSP
The 128KB RAM allows large audio buffers for real-time effects processing in mixers.
Industrial Vision Systems
DMA and fast GPIO support parallel camera interfaces for barcode readers.
Medical Imaging Peripherals
Large RAM enables frame buffering for portable ultrasound probes.
Robotics Controllers
66MHz AVR with 128KB RAM handles inverse kinematics and sensor fusion for small robots.
Networked Sensors
VFBGA package saves space in compact IoT nodes with Ethernet or CAN connectivity.
Data Acquisition Systems
Brown-out detection and WDT ensure reliable logging in remote environmental monitors.
- Q: What is the core speed of the AT32UC3A4128-C1UR?
- A: It runs at 66MHz using an AVR core.
- Q: What is the supply voltage range?
- A: It operates from 1.75V to 3.6V.
- Q: How much RAM does it have?
- A: It has 128KB RAM, which is unusually large for this class.
- Q: What package is used?
- A: It comes in a 100-VFBGA package.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C.
AT32UC3A4128-C1UR.pdf
- Q: What is the core speed of the AT32UC3A4128-C1UR?
- A: It runs at 66MHz using an AVR core.
- Q: What is the supply voltage range?
- A: It operates from 1.75V to 3.6V.
- Q: How much RAM does it have?
- A: It has 128KB RAM, which is unusually large for this class.
- Q: What package is used?
- A: It comes in a 100-VFBGA package.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C.
