embedded processors controllers

MS51FB9AE

Full part number: MS51FB9AE-T

Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.

00 — Overview

What the MS51FB9AE does

This Nuvoton MS51 series product brief covers an 8-bit, high-performance 1T 8051-based microcontroller. The document outlines the chip's scope as an embedded Flash MCU compatible with standard 80C51 instructions. It addresses applications requiring rich peripherals including UARTs, SPI, I2C, PWM, and ADC, alongside flexible memory options like 32KB Flash and configurable boot code storage. Key features include low power consumption modes, robust power monitoring, and extensive I/O capabilities suitable for various embedded system designs.

Next step
Start building with MS51FB9AE → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.
01 — Key specifications

Datasheet parameters

Datasheet parameters for MS51FB9AE
ParameterMinTypMaxConditionsSource
supply voltage range 2.4 V — 5.5 V Nuvoton datasheet, p. 3
operating temperature -40 °C — 105 °C Nuvoton datasheet, p. 3
clock frequency — 24 MHz — Nuvoton datasheet, p. 3
cpu speed — 24 MHz — Nuvoton datasheet, p. 4
program memory size — 15.6 KB — Nuvoton datasheet, p. 6 — MS51 Series Selection Guide
ram size — 1 kB — Nuvoton datasheet, p. 6 — MS51 Series Selection Guide
io count — 18 — Nuvoton datasheet, p. 6 — MS51 Series Selection Guide
adc resolution — 12 bit — Nuvoton datasheet, p. 6 — MS51 Series Selection Guide
core size — 8 bit — Nuvoton datasheet, p. 3
02 — Alternatives

Closest matches to MS51FB9AE

ATmega168A 1.4× lower operating temperature, 1.2× lower adc resolution, 1.2× lower clock frequency
ATmega8A 2.0× lower program memory size, 1.5× lower clock frequency, 1.5× lower cpu speed
CC1110F16RHHR 2.0× higher ram size, 1.4× lower operating temperature, 1.4× lower supply voltage range
CH552G 1.5× lower adc resolution, 1.4× lower operating temperature, 1.3× higher ram size
ATmega328P 2.0× higher program memory size, 2.0× higher ram size, 1.5× lower cpu speed
ATmega48PA 4.0× lower program memory size, 2.0× lower ram size, 1.4× lower operating temperature
ATtiny1616 9.6× lower clock frequency, 2.0× higher ram size, 1.2× lower adc resolution
CH32V003F4U6 4.0× higher core size, 2.0× higher clock frequency, 2.0× higher cpu speed
03 — FAQ

Frequently asked questions

What is the ADC resolution of the MS51FB9AE-T?

The ADC resolution is 12 bit.

What is the maximum clock frequency for the MS51FB9AE-T?

The maximum clock frequency is 24 MHz.

What is the core size of the MS51FB9AE-T?

The core size is 8 bit.

What is the CPU speed of the MS51FB9AE-T?

The CPU speed is 24 MHz.

What is the number of I/O pins?

The MS51FB9AE-T has 18 I/O pins.

What is the maximum operating temperature for the MS51FB9AE-T?

The maximum operating temperature is 105 °C.

What is the program memory size of the MS51FB9AE-T?

The program memory size is 15.6 KB.

What is the RAM size of the MS51FB9AE-T?

The RAM size is 1 kB.

What is the maximum supply voltage for the MS51FB9AE-T?

The supply voltage range is 5.5 V.

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