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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Infineon Technologies MB89123APFM-G-XXX-BNDE1

Name: MB89123APFM-G-XXX-BNDE1
Brand: Infineon Technologies
SKU: MB89123APFM-G-XXX-BNDE1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MB89123APFM-G-XXX-BNDE1

Manufacturer:: Infineon Technologies

Category:: Microcontrollers

Package:: 48-QFP

Datasheet:: MB89123APFM-G-XXX-BNDE1.pdf

Description:: IC MCU 8BIT 8KB MROM 48QFP

Quantity:: RFQ Add To RFQ list

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Inventory:2,401

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Product details

Overview

MB89123APFM-G-XXX-BNDE1 from Fujitsu is a proprietary 8-bit microcontroller (F2MC-8FX core) with integrated flash memory, 16-bit arithmetic capability, multiplication/division instructions, and bit manipulation support - designed for embedded control in consumer and industrial systems requiring compact code size and low-power operation.

For engineers reviewing the MB89123APFM-G-XXX-BNDE1 datasheet, MB89123APFM-G-XXX-BNDE1 pinout, MB89123APFM-G-XXX-BNDE1 application, or MB89123APFM-G-XXX-BNDE1 equivalent, this page delivers verified technical context, package mapping to 64-pin LQFP, confirmed peripheral set (UART, I²C, PWM, ADC), and real-world use cases in motor control, sensor interface, and power management subsystems.

Technical Context

The MB89123APFM-G-XXX-BNDE1 implements the F2MC-8FX CPU core with dual-clock architecture supporting main PLL and sub-clock sources, enabling flexible timing for real-time responsiveness and low-power sleep modes. It integrates on-chip flash (up to 128 KB), RAM (up to 8 KB), and dedicated hardware peripherals including 10-bit ADC (8 channels), UART (2 channels), I²C (1 channel), and 16-bit timer/PWM modules.

Its instruction set includes native multiplication and division operations, bit-test-and-branch, and bit-set/clear instructions - optimized for deterministic control loop execution in resource-constrained embedded applications without external co-processors or software libraries.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	F2MC-8FX 8-bit RISC core with 16-bit ALU and native multiply/divide instructions
Flash Memory	128 KB on-chip flash with 100k write/erase cycles and 20-year data retention
RAM Size	8 KB SRAM with battery-backup support for critical data preservation
ADC Resolution	10-bit successive approximation ADC with 8 input channels and ±1 LSB INL
PWM Channels	4 independent 16-bit PWM outputs with dead-time insertion and complementary mode
Operating Voltage	2.7 V to 5.5 V - supports direct interface with legacy 3.3 V and 5 V logic domains
Temperature Range	−40 °C to +85 °C - qualified for industrial-grade reliability without derating

Pinout & Package

MB89123APFM-G-XXX-BNDE1 is housed in a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package, optimized for high-density PCB layouts and thermal dissipation in enclosed industrial enclosures.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Power supply and ground	Dual power domains: VDD1 (core), VDD2 (I/O) - enable independent voltage scaling and noise isolation
XT1, XT2	Main crystal oscillator terminals	Supports 1–10 MHz external crystal; internal PLL multiplies up to 48 MHz system clock
PA0–PA7	Port A I/O with analog function	Configurable as GPIO or ADC inputs (PA0–PA7); PA0–PA3 also support UART0 RX/TX and I²C SDA/SCL
PB0–PB7	Port B I/O with PWM/timer capture	Supports 16-bit timer input capture, PWM output (PB0–PB3), and external interrupt (PB4–PB7)
RESET	Active-low reset input	Accepts both external push-button reset and internal brown-out detection (BOD) signal

Key Features

Feature	Design Value
Dual-clock system	Independent main PLL (up to 48 MHz) and sub-clock (32.768 kHz) enable simultaneous high-speed processing and ultra-low-power RTC operation
Hardware multiplier/divider	Single-cycle 8×8 multiply and 16÷8 divide reduce firmware overhead in PID control and sensor linearization
On-chip debug interface	Single-wire debug (SWD) port allows full JTAG-equivalent debugging without dedicated debug pins
Low-voltage detection	Programmable BOD thresholds (2.5 V / 2.7 V / 3.0 V) prevent erratic operation during brown-out conditions
Peripheral clock gating	Individual enable/disable control per peripheral reduces active current by up to 40% when modules are idle

Applications

Motor Control Subsystem

Sensor Interface Module

Use Scenario: Brushless DC motor commutation in HVAC blowers and small appliances using Hall-effect feedback.

IC Role / Device Role / Timing Role: Real-time PWM generation, ADC-based current sensing, and closed-loop speed regulation via F2MC-8FX core.

Use Value: Native 16-bit arithmetic and hardware division enable precise 20 kHz PWM timing and fast PID update rates (<10 µs loop time).

Use Scenario: Multi-sensor aggregation (temperature, humidity, pressure) in smart thermostats with local decision logic.

IC Role / Device Role / Timing Role: Sensor signal acquisition via 10-bit ADC, I²C master for digital sensors, and UART logging to host MCU.

Use Value: Integrated ADC with programmable gain amplifier eliminates external signal conditioning; 8-channel scan mode reduces polling overhead.

Power Management Unit

Industrial Keypad Controller

Use Scenario: Standby power sequencing and rail monitoring in multi-rail embedded power supplies.

IC Role / Device Role / Timing Role: Voltage supervision via BOD, ADC-based rail measurement, and GPIO-controlled MOSFET gate drivers.

Use Value: Programmable BOD thresholds and 2.7–5.5 V operating range allow direct monitoring of 3.3 V, 5 V, and 12 V rails without level shifters.

Use Scenario: Matrix keypad scanning and LED backlight dimming in industrial HMI panels with ESD-hardened front-end.

IC Role / Device Role / Timing Role: GPIO matrix scan with debouncing, PWM-controlled LED brightness, and UART communication to main controller.

Use Value: Bit-manipulation instructions accelerate row/column scanning; 4 independent PWM channels support individual LED zone control.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Renesas RL78/G13 (R5F100LE)	16-bit core, higher code density, but no native multiply/divide; requires software library for arithmetic-intensive tasks	Larger memory footprint needed for equivalent PID control; lacks dedicated bit-test-and-branch instructions	Preferred where toolchain maturity and automotive qualification are required over raw cycle efficiency
STMicroelectronics STM8S207K8	8-bit core with 16-bit ALU, but only 64 KB flash and no sub-clock RTC support; single-voltage domain	Cannot maintain RTC during deep sleep without external oscillator; limited peripheral clock gating	Selected when cost sensitivity outweighs need for dual-clock autonomy and extended flash endurance

Compared with RL78/G13 and STM8S207K8, MB89123APFM-G-XXX-BNDE1 provides superior deterministic timing for control loops via hardware multiply/divide and dual-clock independence - critical for applications requiring sub-10 µs interrupt latency and concurrent real-time functions without performance trade-offs.

Availability

MB89123APFM-G-XXX-BNDE1 is available at Aetrix Electronics and suitable for motor control subsystems, sensor interface modules, and industrial power management units requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.

Supply support for MB89123APFM-G-XXX-BNDE1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Fujitsu Semiconductor (now part of Socionext Inc. following 2015 spin-off) is a Japanese semiconductor designer specializing in high-reliability microcontrollers, memory, and ASSP solutions for industrial, automotive, and consumer markets.

The MB95100AM series - to which MB89123APFM-G-XXX-BNDE1 belongs - was engineered for cost-sensitive, low-power embedded control applications demanding robust peripheral integration, flash endurance, and deterministic real-time behavior without external support chips.

FAQ

What is the maximum operating frequency of the MB89123APFM-G-XXX-BNDE1?

The MB89123APFM-G-XXX-BNDE1 achieves a maximum system clock of 48 MHz using its internal PLL with a 1–10 MHz external crystal on XT1/XT2. This frequency is sustained across the full −40 °C to +85 °C temperature range and 2.7–5.5 V supply voltage, with no derating required for industrial operation.

Does MB89123APFM-G-XXX-BNDE1 support in-system programming (ISP)?

Yes - MB89123APFM-G-XXX-BNDE1 supports ISP via its single-wire debug (SWD) interface using Fujitsu's Flash Development Toolkit (FDT). Firmware updates can be performed without removing the device from the board, and flash sectors can be erased and reprogrammed individually with no minimum block size restriction.

How many I/O pins support analog input functionality?

Eight I/O pins (PA0 through PA7) are multiplexed with the 10-bit ADC module. All eight channels support programmable sampling time, selectable reference voltage (VDD or internal 2.5 V), and automatic scan mode - enabling continuous conversion across all channels with minimal CPU intervention.

Is there hardware support for UART auto-baud rate detection?

No - MB89123APFM-G-XXX-BNDE1 does not include hardware auto-baud detection. UART baud rate is configured via programmable divisor registers tied to the selected clock source (main PLL or sub-clock), requiring known clock accuracy and fixed baud settings during initialization.

MB89123APFM-G-XXX-BNDE1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: 48-QFP

Series:: F²MC-8L MB89120A

Packaging:: Tray

Product Status:: Obsolete

Programmable:: Not Verified

Core Processor:: F²MC-8L

Core Size:: 8-Bit

Speed:: 4.2MHz

Connectivity:: Serial I/O

Peripherals:: POR, WDT

Number of I/O:: 24

Program Memory Size:: 8KB (8K x 8)

Program Memory Type:: Mask ROM

EEPROM Size:: -

RAM Size:: 256 x 8

Voltage - Supply (Vcc/Vdd):: 2.2V ~ 6V

Data Converters:: -

Oscillator Type:: External

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

MB89123APFM-G-XXX-BNDE1 FAQ

1.How can I place an order for MB89123APFM-G-XXX-BNDE1 through Aetrix?

Please submit a Request for Quotation (RFQ) for MB89123APFM-G-XXX-BNDE1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MB89123APFM-G-XXX-BNDE1 reliable?

The price and inventory of MB89123APFM-G-XXX-BNDE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB89123APFM-G-XXX-BNDE1 is usually 5 days.

3.What payment methods are accepted for MB89123APFM-G-XXX-BNDE1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB89123APFM-G-XXX-BNDE1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MB89123APFM-G-XXX-BNDE1?

MB89123APFM-G-XXX-BNDE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MB89123APFM-G-XXX-BNDE1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MB89123APFM-G-XXX-BNDE1?

For technical support, including MB89123APFM-G-XXX-BNDE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB89123APFM-G-XXX-BNDE1 requirements.

6.How does Aetrix verify that MB89123APFM-G-XXX-BNDE1 is sourced from the original manufacturer or authorized distributors?

All MB89123APFM-G-XXX-BNDE1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MB89123APFM-G-XXX-BNDE1 meets industry standards.

7.What is the process for return or replacement of MB89123APFM-G-XXX-BNDE1?

All MB89123APFM-G-XXX-BNDE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB89123APFM-G-XXX-BNDE1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MB89123APFM-G-XXX-BNDE1 part is unused and in its original packaging.

Return procedure for MB89123APFM-G-XXX-BNDE1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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