AT91M42800A-33CJ
IC MCU 16/32BIT ROMLESS 144BGA
| Part Description | ARM7® AT91 Microcontroller IC 16/32-Bit 33MHz ROMless 144-BGA (13x13) |
|---|
| Product Category | Microcontrollers |
|---|---|
| Manufacturer | Microchip Technology |
| Manufacturing Status | Active |
| Leadtime | 4 Weeks |
| Datasheet | |
| Quantity | 145 Available (as of January 22, 2026) |
Specifications
| Part Package | 144-LFBGA |
|---|---|
| Device Package | 144-BGA (13×13) |
| Mounting Method | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor: | ARM7® |
| Core Size: | 16/32-Bit |
| Speed: | 33MHz |
| Connectivity: | EBI/EMI, SPI, UART/USART |
| Peripherals: | WDT |
| Number of I/O: | 54 |
| Program Memory Type: | ROMless |
| RAM Size: | 8K x 8 |
| Voltage – Supply (Vcc/Vdd): | 2.7V ~ 3.6V |
| Oscillator Type: | External |
Environmental
| REACH Compliance | REACH Unaffected |
|---|---|
| RoHS Compliance | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) |
| ECCN | 3A991A2 |
| HTS Code | 8542.31.0001 |
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Microchip Technology

Date Founded: 1989
Headquarters: Chandler, Arizona, USA
Employees: 22,000+
Revenue: $8.349 Billion
Certifications and Memberships: ISO9001:2015, IATF16949:2016, AS 9100D
About Microchip Technology:
Microchip Technology Inc. is a premier provider of smart, connected, and secure embedded control and processing solutions. Established in 1989, Microchip has experienced substantial growth, evolving into a globally recognized leader within the semiconductor industry. The company proudly serves a diverse customer base of more than 100,000 clients across an extensive array of markets, including automotive, industrial, consumer electronics, aerospace ... Read more