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ATSAMHA1E14A-MBT-BVAO
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Product Detailed Parameters
- Description：IC MCU 32BIT 16KB FLASH 32VQFN
- Series：SAM HA1, Functional Safety (FuSa)
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M0+
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, LINbus SBC, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：19
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：0V ~ 3.8V
- Data Converters：A/D 6x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TC)
- Mounting Type：Surface Mount, Wettable Flank
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMHA1E14A-MBT-BVAO is an automotive-grade System in Package (SiP) microcontroller from Microchip Technology. It integrates a 32-bit ARM Cortex-M0 core, LIN transceiver, and voltage regulator within a single VQFN-48 package. The device features 16 kB of Flash program memory and 2 kB of SRAM data RAM. It operates with a maximum clock frequency of 48 MHz and supports a supply voltage range of 5 V to 28 V. The component includes 13 ADC channels, 32 I/O lines, and interfaces such as I2C, SPI, and UART. It is qualified under AEC-Q100 standards for operation between -40°C and +105°C.
Feature Summary
- Integrated LIN system solution combining MCU, transceiver, and voltage regulator
- Automotive qualification compliant with AEC-Q100 standards
- High-voltage input support suitable for automotive power networks
- Compact System in Package design reducing board space requirements
Applications
- Automotive body control modules
- LIN bus node implementations
- Vehicle door control units
- Seat adjustment controllers
Procurement Notes
Verify the specific suffix BVAO against the manufacturer's current datasheet to confirm packaging and tape-and-reel specifications. Ensure the ordering quantity aligns with the manufacturer's minimum order requirements for this SiP variant. Confirm that the automotive grade designation matches the project's reliability standards before finalizing procurement.
Selection Notes
Select this component when a compact, integrated solution for automotive LIN communication is required. It is appropriate for designs needing high-voltage tolerance directly at the MCU interface. Consider the VQFN-48 footprint constraints and thermal dissipation capabilities during PCB layout planning.
Part Context
This part belongs to the SAM HA1 family of automotive microcontrollers designed specifically for Local Interconnect Network applications. It consolidates traditional discrete components into a single package to simplify assembly and improve reliability in harsh automotive environments.
Replacement Considerations
Consult official substitution lists for variants with different memory sizes or package options within the SAM HA1 series. Verify pin compatibility and software register mapping if considering adjacent models like the ATSAMHA1G14A-MBT-BVAO.
