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NXP Semiconductors

MC9S08MM128CLH - 48MHz 128KB 8-Bit MCU | NXP

N.º da peça: MC9S08MM128CLH ✗ Fim de vida
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2.5 V or 3.3 V Vdss 64-LQFP, 10 mm x 10 mm Package 48 MHz Speed 128 KB (128K x 8) Memory
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Preço atualizado: 2026-10-21
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MC9S08MM128CLH Visão geral

The NXP Semiconductors MC9S08MM128CLH is an 8-bit HCS08 S08MM-series microcontroller with a 48 MHz maximum clock, 128 KB of Flash memory, USB connectivity, graphic-display support, precision analog measurement resources, and a 64-LQFP package measuring 10 mm by 10 mm.

A microcontroller is a programmable semiconductor that integrates a CPU, memory, peripherals, and interfaces into one device. Within the embedded-control hierarchy, this MCU belongs to the HCS08 family, the S08 processor series, and the S08MM product line. Its integrated connectivity and measurement features allow one device to control peripherals, communicate with a host, and acquire precision analog signals without relying on several separate discrete components.

The verified product information identifies an 8-bit data bus, 128K by 8 Flash organization, a maximum CPU frequency of 48 MHz, and 2.5 V or 3.3 V operation. The MC9S08MM128 series provides USB Specification 2.0 support with control, bulk, interrupt, and isochronous transfers. Its on-chip transceiver and 3.3 V regulator can reduce external component count, while integrated precision analog resources suit instrumentation and other measurement-oriented products.

The device uses the HCS08 instruction set and is organized around an S08 core. Depending on supply voltage, the verified datasheet search results state that the CPU can operate at 48 MHz above the upper threshold, 40 MHz above 2.1 V, and 20 MHz above 1.8 V. Voltage-dependent clock selection must therefore be checked against the actual rail during firmware planning and validation.

Typical uses include medical equipment, industrial instrumentation, USB-connected control products, graphic human-interface systems, and compact embedded-control products. The combination of USB, Flash memory, and analog measurement support can simplify product architecture where both communications and precision acquisition are required. Software migration is also important because the S08 core, memory map, peripherals, and development ecosystem must be supported by the selected tools.

When laying out a board, preserve the manufacturer's recommended decoupling, USB transceiver connections, analog grounding, and exposed-pad or thermal-land requirements specified for the 64-LQFP package. Confirm clock, memory, I/O, and USB timing against the exact datasheet revision because package variants and temperature suffixes can differ.

This page consolidates the verified manufacturer and distributor facts, available procurement links, package information, and design-focused context for engineers evaluating this end-of-life MCU. It does not infer undocumented memory sizes, peripheral counts, prices, or lifecycle replacements.

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MC9S08MM128CLH Classificações máximas e características elétricas

Microcontroller Type 8-bit HCS08 microcontroller
Processor Core S08 core
Processor Series S08MM
Largura do barramento de dados 8 bit
Frequência máxima de clock 48 MHz
CPU Frequency Above 2.1 V Up to 40 MHz
CPU Frequency Above 1.8 V Up to 20 MHz
Flash Memory 128 KB (128K x 8)
Tensão de alimentação 2.5 V or 3.3 V
USB Compliance USB Specification 2.0
USB Transfer Types Control, bulk, interrupt, and isochronous
Integrated USB Transceiver Yes
Integrated 3.3 V Regulator Yes
Graphic Display Support Yes
Precision Analog Measurement Supported by the MC9S08MM128 series
Encapsulamento 64-LQFP, 10 mm x 10 mm
Tipo de montagem Surface mount
Instruction Set HCS08

Guia de Configuração de Pinos do MC9S08MM128CLH 64-lqfp, 10 mm x 10 mm

Configuração de pinos para MC9S08MM128CLH (pacote 64-lqfp, 10 mm x 10 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.

Diagrama de pinagem do pacote 64-lqfp, 10 mm x 10 mm para MC9S08MM128CLH

Nenhum dado detalhado de pinagem disponível para MC9S08MM128CLH.

Consulte a ficha técnica para a configuração completa dos pinos.

Aplicações típicas

MC9S08MM128CLH é adequado para 6 aplicaçãos: USB-Connected Embedded Control, Medical Measurement Instruments, Industrial Instrumentation, Graphic Human-Interface Panels, Precision Data-Acquisition Modules, USB Test and Measurement Products.

🖥️

USB-Connected Embedded Control

The MC9S08MM128CLH fits compact USB control products because its S08MM family provides USB Specification 2.0 support, an on-chip transceiver, a 3.3 V regulator, and four listed transfer classes. A designer can use it as the application processor for configuration, control, and peripheral supervision without requiring a separate USB transceiver in the basic architecture. Its 8-bit core and 48 MHz maximum clock are suitable for real-time control, while 128 KB Flash provides storage for firmware and USB descriptors. Design validation must still check current-consumption limits, clock requirements, bus timing, and USB enumeration behavior in the official datasheet.

💊

Medical Measurement Instruments

The MC9S08MM128CLH is applicable to medical and laboratory instruments that combine digital control with precision analog measurement. NXP identifies medical applications and measurement-focused use cases for the 9S08MM128/64/32 family. The S08MM integration can place measurement, control, display handling, and USB connectivity in one 64-LQFP device, reducing board area compared with a more fragmented implementation. Its 48 MHz maximum clock supports responsive control tasks, and 128 KB Flash accommodates application code, calibration data, and communication routines. Safety, accuracy, and regulatory claims must be established separately for the finished instrument.

🏭

Industrial Instrumentation

The MC9S08MM128CLH suits industrial instrumentation where an 8-bit controller must acquire precision analog signals while also handling local display or host communication. The verified NXP material emphasizes precision measurement resources, while the MCU supplies up to 48 MHz processing and 128 KB Flash in a compact 10 mm by 10 mm LQFP. Engineers can place it near sensors, actuator controls, and operator interfaces, then use USB for configuration or data export. Analog grounding, reference stability, calibration strategy, and noise control remain critical; the exact converter and timer specifications should be confirmed in the manufacturer datasheet before precision claims are finalized.

📺

Graphic Human-Interface Panels

The MC9S08MM128CLH can support compact products that combine a graphical interface with embedded measurement or device control. Graphic-display support is explicitly identified in the verified family description, while the 48 MHz S08 core and 128 KB Flash provide resources for interface state, rendering, communications, and control logic. A practical architecture could use the MCU to process sensor data, update a local display, and expose diagnostics through USB. Display-interface timing, memory requirements, and panel-specific electrical details are not supplied here, so designers must verify them in the exact datasheet and selected display-driver documentation.

⚡

Precision Data-Acquisition Modules

The MC9S08MM128CLH is well matched to compact data-acquisition modules because the S08MM family combines precision measurement capability with an 8-bit control core and USB connectivity. At up to 48 MHz, the device can coordinate sampling control, digital filtering, calibration logic, and data transfer while fitting a 64-LQFP footprint. Its 128 KB Flash can hold firmware and lookup or calibration tables, although RAM and converter details must be verified before sizing a specific channel count. Precision designs should evaluate reference stability, analog supply requirements, grounding, shielding, sampling topology, and calibration drift rather than relying only on CPU frequency.

🔧

USB Test and Measurement Products

The MC9S08MM128CLH can serve as the control core in a small USB test or measurement product because it combines USB Specification 2.0 connectivity, graphic-display potential, precision measurement resources, and 128 KB Flash. Control, bulk, interrupt, and isochronous transfer support enables host communication for configuration, logging, or data exchange. The integrated transceiver and regulator may simplify the USB subsystem, but the board still requires verified routing, protection, grounding, and firmware implementation. Since the target is end of life, new instruments should assess whether long-term availability justifies a platform redesign from an established production MCU.

What are the key specifications of MC9S08MM128CLH that engineers should know?
The MC9S08MM128CLH is an 8-bit HCS08 S08MM microcontroller rated for up to 48 MHz and equipped with 128 KB of Flash memory. According to the verified DigiKey product record, it uses a 64-LQFP package measuring 10 mm by 10 mm. The series also provides USB Specification 2.0 connectivity, an on-chip transceiver, a 3.3 V regulator, graphic-display support, and precision analog measurement resources. NXP lists the device as end of life, so supply planning and firmware lifecycle risk must be addressed alongside its electrical capabilities.
Where can I download the MC9S08MM128CLH datasheet PDF?
The verified datasheet PDF for the MC9S08MM128 series is available from Mouser at https://www.mouser.com/datasheet/2/302/MC9S08MM128-1126672.pdf. It documents USB Specification 2.0 operation, the integrated transceiver, the 3.3 V regulator, and the supported transfer types. The official NXP product page is https://www.nxp.com/part/MC9S08MM128CLH. Because NXP labels the exact MPN end of life, engineers should archive the relevant datasheet and verify revision, timing, electrical limits, and package details before committing a new production design.
What is the operating frequency of MC9S08MM128CLH?
The MC9S08MM128CLH supports a maximum clock frequency of 48 MHz, subject to the applicable supply-voltage condition. According to the verified datasheet search result, the CPU runs up to 48 MHz above the upper voltage threshold, up to 40 MHz above 2.1 V, and up to 20 MHz above 1.8 V. This voltage-dependent ceiling matters because a 48 MHz operating target cannot be assumed at every valid rail. Firmware and hardware validation should use the exact voltage range, temperature conditions, clock source, and clock-tree settings documented for the selected device suffix.
How much Flash memory does MC9S08MM128CLH contain?
The MC9S08MM128CLH contains 128 KB of Flash memory, organized as 128K by 8, according to the verified DigiKey and NXP product records. This memory supports the device's embedded-control applications, while USB firmware, display handling, and measurement routines determine practical code-space requirements. The provided sources do not state RAM size, EEPROM size, or boot-ROM configuration, so those values should be taken from the MC9S08MM128 datasheet rather than inferred from the 128 KB Flash designation. Memory planning should include protocol stacks, drivers, calibration tables, and update mechanisms.
What package and mounting style does MC9S08MM128CLH use?
The MC9S08MM128CLH is supplied in a 64-LQFP surface-mount package measuring 10 mm by 10 mm. The verified DigiKey record explicitly identifies the 64-LQFP package and 128 KB Flash configuration. A complete package drawing, pin names, pin numbers, dimensions, and recommended land pattern must be taken from the official datasheet before PCB release. Because LQFP leads are fine-pitch and can bend during handling, production planning should include appropriate tooling, inspection, and soldering controls.
Is MC9S08MM128CLH suitable for USB-connected embedded products?
The MC9S08MM128CLH is suitable for USB-connected embedded products that require an 8-bit control architecture and precision measurement. According to the MC9S08MM128 datasheet search result, the device includes an on-chip transceiver and 3.3 V regulator, supports USB Specification 2.0, and handles control, bulk, interrupt, and isochronous transfers. Those features can reduce external circuitry. The exact USB electrical requirements, clock tolerances, bus-routing rules, and firmware stack requirements still require validation against the official datasheet and the target USB topology.
What applications are suitable for MC9S08MM128CLH?
The MC9S08MM128CLH fits compact embedded-control products that need USB, display support, and precision analog measurement in one device. NXP specifically describes the 9S08MM128/64/32 family as suitable for medical products and instrumentation or industrial applications requiring significant precision analog capability. Its 128 KB Flash provides room for control, communications, display, and measurement software, although peripheral and RAM budgets must be verified in the datasheet. For new designs, the end-of-life status means these applications should also include an obsolescence and sourcing plan.
What can replace MC9S08MM128CLH?
No verified drop-in replacement for MC9S08MM128CLH is established by the supplied cross-reference results. The available search identifies comparison tools and related S08 devices, but it does not document a same-package, pin-to-pin replacement with verified USB, analog, memory, clock, and peripheral compatibility. Related parts such as MC9S08MM64VLH or MC9S08JE128CLH must not be treated as drop-in without complete pin, clock, memory, USB, and peripheral verification. For a replacement project, use a controlled schematic, firmware, timing, and board-level qualification process rather than relying on nominal similarity.
Is MC9S08MM128CLH the same as MC9S08JE128CLH?
The MC9S08MM128CLH and MC9S08JE128CLH are not verified as identical drop-in parts. The supplied comparison search shows both as 8-bit devices with 128 KB Flash and 64-LQFP packaging, but matching those headline attributes does not establish pin compatibility or equivalent peripheral behavior. The MC9S08MM128 belongs to the S08MM series with USB and precision-measurement emphasis, while the JE-series device requires its own complete datasheet comparison. Firmware, pin multiplexing, USB implementation, analog blocks, timing, and package details must be verified before substitution.
When should a designer choose MC9S08MM128CLH instead of an undocumented equivalent?
Choose the MC9S08MM128CLH only when an existing design or controlled legacy program depends on its verified S08MM feature set and source availability. The device provides an 8-bit HCS08 core, up to 48 MHz operation, 128 KB Flash, USB Specification 2.0 connectivity, display support, and precision analog resources in 64-LQFP packaging. It is preferable to an undocumented equivalent when preserving firmware and board behavior is more important than starting an active migration. Since NXP marks the exact part end of life, new designs should normally be directed toward a currently supported MCU unless unavoidable legacy constraints require it.
What is the best NXP equivalent for MC9S08MM128CLH?
The supplied evidence does not identify a verified NXP drop-in equivalent for MC9S08MM128CLH. NXP's product page marks the target end of life and provides lifecycle, environmental-quality, shipping-discontinuance, and replacement information sections, but the retrieved snippet does not name a qualified pin-compatible replacement. A related NXP MCU should be considered only after checking the exact package pinout, Flash and RAM requirements, S08 instruction compatibility, USB implementation, analog blocks, clock tree, voltage range, and toolchain. Without those checks, claiming a direct equivalent would be unsafe.
Where can I buy MC9S08MM128CLH online?
The MC9S08MM128CLH can be researched through DigiKey and Mouser using the verified product links in this record. DigiKey lists the part under NXP USA Inc. at https://www.digikey.com/en/products/detail/nxp-usa-inc/MC9S08MM128CLH/2508781, while Mouser provides the NXP listing at https://www.mouser.com/ProductDetail/NXP-Semiconductors/MC9S08MM128CLH?qs=uJo%252BpYCWgL600M0u%2FESFsA%3D%3D. The supplied results do not include usable unit prices, quantity breaks, stock quantities, or lead times, so requests for quotation are required for current commercial availability as of 2026-10-21.
What is the price of MC9S08MM128CLH?
A current numeric unit price for MC9S08MM128CLH is not present in the verified web data. The DigiKey and Mouser pages provide purchasing entry points, but their retrieved snippets do not expose a reliable price schedule. Accordingly, this record does not invent prices; its zero-valued quantity fields are placeholders rather than quotations. Request a quote from authorized distributors and confirm lot traceability, packaging, condition, and lifecycle terms. Pricing must be treated as unknown as of 2026-10-21 and may vary with quantity, market availability, and obsolete-part supply.
What is the lead time for MC9S08MM128CLH?
The verified data does not provide a numeric lead time for MC9S08MM128CLH. NXP marks the exact device as end of life, while distributor snippets say the part can be purchased or request a current quote, but neither source establishes a guaranteed delivery interval. Because lifecycle and market conditions can change rapidly for end-of-life integrated circuits, confirm factory stock, authorized-channel inventory, allocation status, and lot traceability before planning production. A distributor quote as of 2026-10-21 is required for a usable commercial lead-time commitment.
Is MC9S08MM128CLH currently in stock?
Current stock quantity for MC9S08MM128CLH is not established by the supplied results. The DigiKey snippets use general purchase language, and other distributor pages request a quote, but the retrieved data contains no explicit stock count or inventory guarantee. Since NXP identifies the part as end of life, do not infer ongoing production availability from a distributor product page. Confirm real-time stock, package condition, lot date, and traceability directly with the seller. The commercial availability represented in this record remains unverified as of 2026-10-21.

Dados de referência de engenharia para MC9S08MM128CLH — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose MC9S08MM128CLH for a controlled legacy design that depends on the S08MM family's verified 8-bit core, 48 MHz maximum clock, 128 KB Flash, USB Specification 2.0 connectivity, display support, and precision measurement resources in a 64-LQFP package. It is also reasonable for maintenance of existing industrial, medical, instrumentation, or USB-control equipment when firmware and board changes carry high qualification risk. Do not choose it for a new platform without accepting end-of-life sourcing exposure. MC9S08MM128CLK shares the S08 family and 128 KB Flash headline, but its verified 80-LQFP package prevents drop-in use and requires a new PCB footprint. Related MC9S08JE or MC9S08MM64 devices should be evaluated only through complete pin, peripheral, memory, clock, and firmware qualification. Because no verified direct replacement is provided, board redesign or continued authorized sourcing is the realistic path.

Comparação com alternativas

Parâmetro Este produto MC9S08MM128CLK
Package 64-LQFP (10x10) 80-LQFP (12x12)
Brand NXP Semiconductors NXP Semiconductors
Core S08 S08
Data Bus Width 8 bit 8 bit
Maximum Clock Frequency 48 MHz 48 MHz
Flash Memory 128 KB 128 KB

Principais diferenciais

  • Verified 64-LQFP package differs from the same-family 80-LQFP variant (vs MC9S08MM128CLK)
  • Confirmed USB Specification 2.0 integration for connected embedded products (vs MC9S08MM128CLK)
  • Explicit lifecycle status for sourcing decisions (vs MC9S08MM128CLK)

Notas de projeto

Use the exact 64-LQFP 10 mm by 10 mm land pattern and pin numbering from the official MC9S08MM128 datasheet; the verified search result confirms the package but does not provide all 64 pin assignments. Place required decoupling close to the relevant supply pins and preserve the manufacturer's recommended return paths. Fine-pitch LQFP leads require adequate solder mask and paste control. Do not substitute a generic 80-LQFP footprint for MC9S08MM128CLK or another related part because the verified package comparison shows a different lead count and body size.

Validate the clock ceiling against the actual supply voltage. According to the verified datasheet search result, the family reaches 48 MHz only above the upper threshold, 40 MHz above 2.1 V, and 20 MHz above 1.8 V. Firmware must not select an unsupported clock mode after a rail transition. Include brownout, startup, decoupling, and regulator tolerance in worst-case timing tests. Estimated: CPU frequency alone does not determine power, so obtain actual current and dissipation figures from the exact datasheet rather than inventing them.

Follow the manufacturer's USB routing and grounding guidance when using the integrated transceiver. Keep the USB path controlled, maintain the required reference-plane continuity, minimize stubs and unnecessary vias, and place protection components where their capacitance will not distort signal integrity. Because the provided evidence confirms USB Specification 2.0 functionality but not trace geometry, impedance values, or connector details, treat those values as DATA_NEEDED and extract them from the official datasheet before layout release.

Do not treat another S08 MCU with the same Flash size as a drop-in replacement merely because the core and memory headline values match. A substitution must be checked for package dimensions, pinout, USB implementation, analog peripherals, memory map, clock tree, voltage range, startup behavior, interrupts, and development-tool support. The supplied cross-reference results do not verify any safe direct replacement for MC9S08MM128CLH, and NXP marks the target end of life.

Informações de conformidade

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Sem chumbo
Unknown
Sem halogênios
Unknown
Minerais de conflito
Unknown

The verified NXP page includes an Environmental Quality section, but the retrieved content does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim is inferred.

Buscas relacionadas

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Componentes & termos relacionados

NXP Semiconductors MC9S08MM128CLH MC9S08MM128 HCS08 S08 core S08MM series 8-bit microcontroller microcontroller embedded controller semiconductor 128 KB Flash memory 48 MHz clock USB Specification 2.0 on-chip USB transceiver precision analog measurement graphic display support 64-LQFP LQFP package family surface-mount package industrial instrumentation medical measurement USB data transfer 3.3 V regulator end-of-life component
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