C8051F381-GQ

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C8051F381-GQ

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IC MCU 8BIT 64KB FLASH 32LQFP

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Especificações

Atributo Valor
Package Tray
Series C8051F38x
ProductStatus Active
CoreProcessor 8051
CoreSize 8-Bit
Speed 48 MIPS
Connectivity I²C, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
NumberofI/O 25
ProgramMemorySize 64KB (64K x 8)
ProgramMemoryType FLASH
RAMSize 4.25K x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.25V
DataConverters A/D 21x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-LQFP

Visão Geral

Description

The C8051F381-GQ is a high-performance, mixed-signal 8-bit microcontroller from Silicon Labs, part of the C8051F38x family. It features:
- 8051-compatible core (up to 50 MHz)
- 32 KB Flash, 2 KB RAM
- 12-bit ADC, 10-bit DAC, and analog comparators
- UART, SPI, I²C, and USB 2.0 (Full-Speed) interfaces
- 24 GPIOs in a 48-pin QFN (GQ) package
- On-chip voltage reference and temperature sensor
Ideal for embedded control, data acquisition, and USB-enabled applications, it offers low power consumption and robust peripheral integration. Development is supported by Silicon Labs’ IDE and programmer tools.

Equivalent

The C8051F381-GQ, a mixed-signal MCU from Silicon Labs, has several equivalents:
- C8051F380-GQ: Similar but with less flash (16KB vs. 32KB).
- C8051F382-GQ: Higher flash (64KB) variant.
- EFM8BB1/EFM8LB1: Newer 8-bit MCUs from Silicon Labs (pin-compatible in some cases).
- PIC18F45K22 (Microchip): Comparable 8-bit MCU, though not drop-in.
- STM8S003 (STMicroelectronics): Budget alternative, requires redesign.
Check pinout, peripherals, and voltage compatibility before substitution.

Pinout

The C8051F381-GQ is a 32-pin microcontroller from Silicon Labs' C8051F38x family. Key features include:
- Pin Count: 32 (TQFP package)
- Core: 8051-compatible, up to 50 MHz
- Memory: 16 KB Flash, 1.25 KB RAM
- Peripherals:
- 12-bit ADC (200 ksps)
- 10-bit DAC
- 2x UART, SPI, SMBus (I²C)
- 4x 16-bit timers
- 21x GPIO pins
- Power: 2.7–3.6V operation
It’s designed for embedded control, sensor interfaces, and low-power applications.

Manufacturer

The C8051F381-GQ is manufactured by Silicon Laboratories (Silabs), a U.S.-based semiconductor company specializing in mixed-signal, analog, and wireless ICs. Known for high-performance microcontrollers, sensors, and connectivity solutions, Silabs targets IoT, automotive, and industrial applications. The C8051F381-GQ is part of their C8051F38x MCU family, featuring an 8-bit 8051 core with integrated analog peripherals, designed for embedded systems requiring precision and low power.
Silabs is recognized for innovation in low-power and RF technologies, serving diverse markets with reliable, scalable solutions.

Application

The C8051F381-GQ microcontroller is widely used in:
- Industrial Control: Automation, sensors, and motor control.
- Consumer Electronics: Smart devices, wearables, and home automation.
- Medical Devices: Portable health monitors and diagnostic tools.
- Automotive: Sensor interfaces and auxiliary control systems.
- IoT & Embedded Systems: Low-power wireless nodes and data logging.
Its high-speed ADC, low power consumption, and robust peripherals make it ideal for precision applications.

Package

The C8051F381-GQ comes in a 48-pin TQFP (Thin Quad Flat Package). This surface-mount package has a compact form factor with leads on all four sides, suitable for space-constrained applications. The "GQ" suffix denotes the specific package variant.

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