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MS51BA9AE
+BOMIC MCU 8BIT 8KB FLASH 10MSOP
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ManufacturerNuvoton Technology Corporation
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Mfr. Part #MS51BA9AE
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In Stock2587
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Specifications
| Attribute | Value |
| Series | NuMicro MS51 |
| Part Status | Active |
| Base Product Number | MS51BA9 |
| Digi Key Programmable | Not Verified |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 24MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVR, POR, PWM, WDT |
| Number of I/O | 8 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 5.5V |
| Data Converters | A/D 4x12b SAR |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 10-MSOP |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Packaging | Tube |
Overview
Equivalent
The MS51BA9AE is an 8-bit microcontroller from Nuvoton. Equivalent products include:
- Nuvoton MS51FB9AE (similar specs, enhanced features)
- STMicroelectronics STM8S003F3 (comparable 8-bit MCU)
- Microchip PIC16F18345 (similar performance, 8-bit)
- Silicon Labs EFM8BB10F8G (low-power 8-bit alternative)
These offer similar flash memory, peripherals, and pin compatibility for most applications. Always verify datasheets for exact replacements.
- Nuvoton MS51FB9AE (similar specs, enhanced features)
- STMicroelectronics STM8S003F3 (comparable 8-bit MCU)
- Microchip PIC16F18345 (similar performance, 8-bit)
- Silicon Labs EFM8BB10F8G (low-power 8-bit alternative)
These offer similar flash memory, peripherals, and pin compatibility for most applications. Always verify datasheets for exact replacements.
Features
The MS51BA9AE is an 8-bit microcontroller from Nuvoton's 8051-based MS51 series. Key features include:
- Core: 1T 8051 (up to 24 MHz).
- Memory: 32 KB Flash, 2 KB SRAM, 4 KB LDROM (for bootloader).
- Operating Voltage: 2.4V–5.5V.
- Peripherals:
- 12-bit ADC (8 channels).
- 2x UART, 1x SPI, 1x I²C.
- 3x 16-bit timers, PWM (6 channels).
- Watchdog timer, brown-out detection.
- GPIO: Up to 30 I/O pins.
- Packages: LQFP32, TSSOP20.
- Low Power: Supports idle/power-down modes.
Ideal for industrial control, consumer electronics, and IoT applications.
- Core: 1T 8051 (up to 24 MHz).
- Memory: 32 KB Flash, 2 KB SRAM, 4 KB LDROM (for bootloader).
- Operating Voltage: 2.4V–5.5V.
- Peripherals:
- 12-bit ADC (8 channels).
- 2x UART, 1x SPI, 1x I²C.
- 3x 16-bit timers, PWM (6 channels).
- Watchdog timer, brown-out detection.
- GPIO: Up to 30 I/O pins.
- Packages: LQFP32, TSSOP20.
- Low Power: Supports idle/power-down modes.
Ideal for industrial control, consumer electronics, and IoT applications.
Pinout
The MS51BA9AE is an 8-bit microcontroller from Nuvoton's MS51 series, based on the 8051 core.
- Pin Count: 20 pins (TSSOP-20 package).
- Key Functions:
- GPIO: Multiple general-purpose I/O pins.
- ADC: 12-bit analog-to-digital converter.
- Timers: 3x 16-bit timers.
- Communication: UART, SPI, and I²C interfaces.
- PWM: 6-channel PWM output.
- Flash: 16 KB for code storage.
- RAM: 1 KB.
- Operating Voltage: 2.4V–5.5V.
It is designed for low-power, cost-sensitive applications like IoT, consumer electronics, and industrial control.
- Pin Count: 20 pins (TSSOP-20 package).
- Key Functions:
- GPIO: Multiple general-purpose I/O pins.
- ADC: 12-bit analog-to-digital converter.
- Timers: 3x 16-bit timers.
- Communication: UART, SPI, and I²C interfaces.
- PWM: 6-channel PWM output.
- Flash: 16 KB for code storage.
- RAM: 1 KB.
- Operating Voltage: 2.4V–5.5V.
It is designed for low-power, cost-sensitive applications like IoT, consumer electronics, and industrial control.
Application
The MS51BA9AE is an 8-bit microcontroller from Nuvoton's 8051-based series, suitable for various embedded applications. Key areas include:
- Home Appliances: Smart controls, sensors.
- Industrial Automation: Motor control, monitoring systems.
- Consumer Electronics: Keyboards, remote controls.
- IoT Devices: Low-power sensor nodes.
- Automotive: Auxiliary systems (e.g., lighting, small actuators).
It features low power consumption, integrated peripherals (ADC, PWM, UART), and flash memory, making it ideal for cost-sensitive, compact designs.
- Home Appliances: Smart controls, sensors.
- Industrial Automation: Motor control, monitoring systems.
- Consumer Electronics: Keyboards, remote controls.
- IoT Devices: Low-power sensor nodes.
- Automotive: Auxiliary systems (e.g., lighting, small actuators).
It features low power consumption, integrated peripherals (ADC, PWM, UART), and flash memory, making it ideal for cost-sensitive, compact designs.
Package
The MS51BA9AE microcontroller by Nuvoton is available in a TSSOP-20 (Thin Shrink Small Outline Package). This package type is compact, surface-mounted, and has 20 pins with a small form factor, suitable for space-constrained applications. It offers good thermal and electrical performance for embedded systems.
