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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersMC908MR16CBE
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MC908MR16CBE - Freescale Semiconductor

Manufacturer Part Number
MC908MR16CBE
Manufacturer
Freescale Semiconductor, Inc. (NXP Semiconductors)
Allelco Part Number
32D-MC908MR16CBE
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,320 pcs available, New & Original
Parts Description
IC MCU 8BIT 16KB FLASH 56PSDIP
Package
56-PSDIP
Data sheet
-
RoHs Status
ROHS3 Compliant
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In stock: 12320

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Specifications

MC908MR16CBE Tech Specifications
Freescale Semiconductor - MC908MR16CBE technical specifications, attributes, parameters and parts with similar specifications to Freescale Semiconductor - MC908MR16CBE

Product Attribute Attribute Value
Manufacturer Freescale Semiconductor, Inc. (NXP Semiconductors)
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Supplier Device Package 56-PSDIP
Speed 8MHz
Series HC08
RAM Size 768 x 8
Program Memory Type FLASH
Program Memory Size 16KB (16K x 8)
Peripherals LVD, POR, PWM
Package / Case 56-SDIP (0.600", 15.24mm)
Package Tube
Product Attribute Attribute Value
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 36
Mounting Type Through Hole
EEPROM Size -
Data Converters A/D 10x10b
Core Size 8-Bit
Core Processor HC08
Connectivity SCI, SPI
Base Product Number MC908

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

MC908MR16CBE Image
MC908MR16CBE (1)

Manufacturer Part Number

MC908MR16CBE

Manufacturer

NXP Semiconductors

Introduction

The MC908MR16CBE is a high-performance, low-power 8-bit embedded microcontroller from the HC08 series. It features a comprehensive set of peripherals and communication interfaces, making it suitable for a wide range of applications, including industrial control, consumer electronics, and automotive systems.

Product Features and Performance

8-bit HC08 core processor operating at 8MHz

16KB of on-chip FLASH program memory

768 bytes of on-chip RAM

SCI and SPI communication interfaces

Integrated low-voltage detection (LVD) and power-on reset (POR) circuits

10-bit analog-to-digital converter (ADC) with 10 channels

Programmable pulse-width modulation (PWM) module

36 general-purpose I/O pins

Product Advantages

Robust and reliable performance in harsh environments

Low power consumption for battery-powered applications

Comprehensive set of peripherals for versatile design options

Ease of use with well-established development tools and ecosystem

Key Reasons to Choose This Product

Proven track record in industrial and consumer applications

Exceptional value-for-money proposition

Seamless integration with other NXP products for system-level solutions

Extensive technical support and documentation available

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry standards and safety regulations

Robust design for reliable operation in demanding environments

Compatibility

Compatible with a wide range of development tools and software platforms

Can be integrated into various embedded systems and applications

Application Areas

Industrial automation and control

Consumer electronics and home appliances

Automotive electronics and systems

Product Lifecycle

The MC908MR16CBE is an obsolete product, meaning it is no longer in active production. However, NXP Semiconductors offers several alternative and equivalent models that can provide similar functionalities. Customers are advised to contact our website's sales team for more information on available options and support for this product.

Frequently Asked Questions(FAQ)

How does the MC908MR16CBE compare to other HC08 series microcontrollers in terms of program memory and I/O availability for embedded control applications?
The MC908MR16CBE offers 16KB of FLASH program memory, which is on the higher end within the HC08 family, supporting moderately complex firmware. With 36 configurable I/O pins in a 56-PSDIP package, it provides significant pinout flexibility compared to smaller variants like the MC908GP32 (2K or 4K memory), making it suitable for systems requiring multiple sensor interfaces or actuator controls without additional multiplexing logic.
What are the key voltage and temperature constraints when integrating the MC908MR16CBE into an industrial sensor node operating in outdoor environments?
The MC908MR16CBE operates across a supply range of 4.5V to 5.5V, which aligns with standard 5V digital systems but requires careful regulation if powered from lower-voltage sources. Its extended temperature range of -40°C to 85°C ensures reliable performance in harsh conditions, such as automotive or remote environmental monitoring nodes, without derating or thermal compensation concerns at the upper limit.
Can the MC908MR16CBE support real-time motor control applications given its peripheral set and clock speed?
Yes, the MC908MR16CBE includes PWM modules essential for motor speed or position control, and its 8MHz internal oscillator enables sufficient timing resolution for basic real-time tasks. However, complex field-oriented control algorithms may exceed the processing capabilities due to limited RAM (768 bytes) and lack of hardware multipliers, necessitating optimized C code or external co-processors for advanced motor drives.
How does the MC908MR16CBE’s analog-to-digital converter compare to those found in newer 16-bit MCUs in terms of precision and sampling rate?
The MC908MR16CBE features a 10-bit successive approximation ADC with 10 channels, delivering typical 9–10 effective bits of resolution depending on reference stability. While this suffices for most industrial signal conditioning tasks, modern 16-bit MCUs offer superior noise immunity and finer quantization—important for high-precision measurements—but at increased cost and power consumption, making the MC908MR16CBE a balanced choice for moderate-resolution sensing.
Is the MC908MR16CBE suitable for battery-powered devices that require low standby current during sleep modes?
The MC908 architecture supports stop and wait modes with reduced power draw, though exact leakage currents depend on process technology and layout. At 5V operation and full functionality, active current typically exceeds 1–2 mA, which may limit runtime in energy-constrained applications. For ultra-low-power designs, newer ARM Cortex-M0+ or RISC-V MCUs would be more appropriate despite lacking legacy HC08 compatibility.
What considerations apply when using the MC908MR16CBE’s SPI and SCI peripherals in noisy industrial environments?
Both SPI and SCI interfaces on the MC908MR16CBE are synchronous serial protocols vulnerable to electromagnetic interference without proper shielding. Implementing pull-up/pull-down resistors, baud rate limiting, and software flow control enhances robustness. Additionally, using differential signaling or opto-isolation for long traces improves reliability in environments with motor drives or RF transmitters.
How does the MC908MR16CBE handle brown-out detection and power-on reset during transient voltage dips in automotive systems?
The device incorporates both Power-On Reset (POR) and Low-Voltage Detection (LVD) circuitry, ensuring clean startup and safe shutdown during supply sags below 4.5V. This protects against unintended resets during ignition cycling or load dumps, provided the LVD threshold is configured correctly via firmware to match the system’s minimum acceptable Vcc level.
What development tools and debugging infrastructure are compatible with the MC908MR16CBE for production programming and in-circuit testing?
As part of the HC08 family, the MC908MR16CBE is supported by Freescale/NXP’s CodeWarrior IDE, P&E Micro’s JTAG debuggers, and universal asynchronous receiver-transmit (UART) bootloaders. Production programming can be done via parallel port or SPI-based flash programmers; however, third-party toolchains like SDCC offer limited support, increasing reliance on vendor-specific ecosystems.
Can the MC908MR16CBE interface directly with I²C sensors without additional logic levels or pull-up networks?
No, the MC908MR16CBE does not include native I²C hardware; instead, it relies on bit-banged SCI lines to emulate I²C timing. This approach consumes CPU cycles and lacks built-in arbitration, making it less efficient than dedicated I²C masters. External level shifters may still be needed if interfacing with 3.3V devices, adding complexity compared to integrated I²C peripherals in contemporary MCUs.
How does the MC908MR16CBE’s through-hole packaging affect PCB design and mechanical integration in ruggedized enclosures?
The 56-lead PSDIP (0.6” width) allows direct socket mounting and simplifies prototyping, but increases board area versus surface-mount alternatives. In vibration-prone environments, conformal coating and strain relief on leads are recommended. Mechanical fastening of the DIP package can help prevent solder joint fatigue, though SMT reflow offers better thermal cycling resistance for mass production.
What trade-offs exist between using internal versus external oscillators with the MC908MR16CBE in precision timing applications?
The internal RC oscillator runs at 8MHz with ±1% tolerance over temperature, sufficient for UART and basic timing needs. However, external crystals provide ±10 ppm accuracy, critical for CAN bus communication or time-critical protocols. Switching to an external oscillator increases component count, board space, and potential susceptibility to crystal loading issues, offsetting simplicity benefits.
Is the MC908MR16CBE RoHS compliant and free from restricted substances under REACH regulations?
Yes, the MC908MR16CBE is ROHS3 compliant and marked as REACH unaffected, indicating absence of SVHCs above regulatory thresholds. This simplifies compliance documentation for EU-market products and avoids supply chain audits related to halogenated flame retardants or heavy metals in soldering materials.

Parts with Similar Specifications

The three parts on the right have similar specifications to Freescale Semiconductor MC908MR16CBE

Product Attribute MC908MR16CBE MC908MR16CFUE MC908MR16VBE MC908MR16CFUE
Part Number MC908MR16CBE MC908MR16CFUE MC908MR16VBE MC908MR16CFUE
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc. Freescale Semiconductor
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Program Memory Size - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply (Vcc/Vdd) - - - -
Number of I/O - - - -
EEPROM Size - - - -
Speed - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Peripherals - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Data Converters - - - -
Core Size - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
RAM Size - - - -
Oscillator Type - - - -
Program Memory Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Core Processor - - - -
Connectivity - - - -

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
MC908MR16CBE Image

MC908MR16CBE

Freescale Semiconductor
32D-MC908MR16CBE

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