MC9S08JE128CMB - 8-Bit 48MHz 128KB Flash MCU | NXP
MPN: MC9S08JE128CMB ✗ پایان تولیدMC9S08JE128CMB نمای کلی
A microcontroller is a programmable semiconductor device that integrates a processor core, memory, peripherals, and input/output interfaces on one package. The S08 MCU family belongs to the embedded-controller hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. This integration reduces component count and simplifies connections in control, communications, consumer, and industrial products.
The device offers 47 I/O lines and includes low-voltage detection, power-on reset, PWM, and a watchdog timer according to the supplied technical listing. Its 48 MHz maximum clock provides timing headroom for protocol handling and control loops, while the 128 KB Flash capacity supports embedded code and configuration data. The 12 KB SRAM provides working memory for firmware execution and data buffering.
MC9S08JE128CMB belongs to the S08JE family and is associated with the JE128 product class. Its peripheral mix supports serial communication designs, USB-enabled control products, and compact user-interface systems. The 81-MAPBGA package is particularly relevant to high-density designs where a smaller land pattern than a leaded package is important.
Typical applications include industrial control modules, USB-connected peripherals, compact consumer appliances, and embedded communication systems. Firmware should be reviewed for clock configuration, interrupt priorities, and peripheral initialization before deployment. The supplied distributor data indicates that some listings describe the part as obsolete, so lifecycle and inventory status should be confirmed before a new production design is approved.
For PCB work, preserve the exact ball map and thermal-pad requirements from the manufacturer package drawing. If programming, USB, or communications behavior is critical, validate the relevant peripheral tolerances and pin multiplexing in the device datasheet rather than relying only on distributor summaries. This page combines the supplied distributor data with engineering guidance while clearly identifying missing specifications.
جایگزین‌های drop-in برای MC9S08JE128CMB — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
هیچ جایگزین مستقیمی برای این محصول موجود نیست.
درخواست جایگزینMC9S08JE128CMB حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Processor | S08 Core |
| Core Size | 8-Bit |
| حداکثر فرکانس کلاک | 48 MHz |
| Program Memory Size | 128 KB (128K x 8) |
| Program Memory Type | Flash |
| RAM Size | 12 KB |
| Number of I/O | 47 |
| Connectivity | I²C, SCI, SPI, USB |
| Peripherals | LVD, POR, PWM, WDT |
| بسته‌بندی | 81-MAPBGA (10 x 10 mm) |
| نوع نصب | Surface Mount |
| Manufacturer | NXP Semiconductors |
| Product Series | S08 S08 |
| EEPROM Size | - |
| وضعیت RoHS | unknown |
راهنمای پیکربندی پین MC9S08JE128CMB 81-mapbga (10 x 10 mm)
پیکربندی پین برای MC9S08JE128CMB (پکیج 81-mapbga (10 x 10 mm)). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای MC9S08JE128CMB.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
MC9S08JE128CMB مناسب است برای 6 کاربردs: USB-connected embedded control, Industrial sensor and actuator module, Consumer appliance controller, Serial communications gateway, USB peripheral interface card, HMI and keypad controller.
USB-connected embedded control
MC9S08JE128CMB fits compact USB-enabled control products because the supplied specification lists USB connectivity alongside an 8-bit S08 core, 128 KB of Flash, 12 KB of RAM, and 47 I/O lines. A practical implementation could place the MCU between a USB interface and a small sensor or actuator network, using firmware for device enumeration, command handling, and control-state updates. The 48 MHz clock provides more scheduling headroom than a basic low-speed 8-bit MCU, while 128 KB Flash leaves room for protocol and application code. Exact USB electrical limits, pin assignments, and supported modes must be verified from the manufacturer datasheet before layout release.
پیشنهادی
Industrial sensor and actuator module
The MC9S08JE128CMB is suitable for a compact industrial module that reads sensors and drives actuators while communicating through I²C, SCI, or SPI. Its listed 47 I/O lines provide a useful device-level resource budget for digital inputs, outputs, status indicators, and peripheral multiplexing, and its PWM peripheral can support proportional actuator control. The 48 MHz S08 core can coordinate sampling, filtering, and communication tasks. Because the supplied data does not include supply voltage, temperature range, ADC specifications, or industrial qualification details, use it only after checking those requirements against the exact datasheet and enclosure environment.
پیشنهادی
Consumer appliance controller
MC9S08JE128CMB can support a compact consumer appliance controller when the design needs local flash, moderate control-loop timing, and several serial peripherals. The 128 KB Flash capacity is more relevant than a tiny microcontroller profile for storing product firmware, operating modes, and diagnostic tables, while 12 KB RAM supports transient control and communication buffers. PWM can drive indicators, valves, or motor-control support circuitry, and SCI or I²C can connect sensors and human-interface electronics. The part is listed as obsolete, so appliance makers should validate lifecycle availability and consider a current redesign path for volume production.
پیشنهادی
Serial communications gateway
The listed SCI and SPI interfaces make MC9S08JE128CMB a candidate for a small protocol-conversion or communications gateway when the product must bridge a local bus to a host interface. Its 48 MHz S08 core can manage interrupt-driven traffic and protocol state machines, and its 128 KB Flash provides room for multiple firmware routines and configuration tables. I²C and USB can add sensor or host connectivity, while the watchdog can help recover from software faults. The exact baud-rate limits, electrical standards, pin muxing, and timing margins are not supplied, so board-level signal integrity and firmware timing must be validated.
پیشنهادی
USB peripheral interface card
MC9S08JE128CMB is relevant to a compact USB peripheral interface card because the supplied data explicitly lists USB connectivity and an 81-MAPBGA package. A board can use the MCU to decode host commands, update indicators, and supervise external relays or sensors while retaining 128 KB Flash for firmware. The 47 available I/O lines and 48 MHz clock can support a structured interrupt-driven design, but the actual USB implementation depends on the package pinout, transceiver or internal USB support, power requirements, and firmware stack. Confirm those items in the datasheet and validate enumeration across representative hosts.
پیشنهادی
HMI and keypad controller
MC9S08JE128CMB can serve as the controller for a small human-machine interface containing a keypad, display interface, status LEDs, and configurable controls. The 47 I/O lines offer a useful starting point for scanning and output control, while SCI, SPI, I²C, and USB can connect different display or input technologies. PWM may be useful for dimming indicators or driving small actuator signals, and POR plus watchdog features support reliable startup and recovery. Because the supplied data omits display-specific timing, electrical characteristics, and pin multiplexing, the MCU should be selected only after the complete HMI interface and its voltage levels are mapped.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای MC9S08JE128CMB — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول |
|---|---|
| Package | 81-MAPBGA (10 x 10 mm) |
| Brand | NXP Semiconductors |
| Core | S08 8-Bit |
| Maximum Clock | 48 MHz |
| Program Memory | 128 KB Flash |
| RAM | 12 KB |
| Connectivity | I²C, SCI, SPI, USB |
| Lifecycle | Obsolete |
تفاوت‌های کلیدی
- Integrated connectivity set (در مقابلGeneric 8-bit MCU without USB)
- Memory density for embedded firmware (در مقابلMC9S08JE64 family member)
- Package-level integration (در مقابلLarger leaded package alternative)
- Lifecycle limitation (در مقابلCurrent-production MCU platform)
یادداشت‌های طراحی
Treat the 81-MAPBGA package as a high-density routing problem. Use the manufacturer package drawing as the authority for ball locations, power and ground assignments, and exposed-pad requirements. Route high-speed or sensitive USB and serial signals with controlled reference planes, minimize stubs, and place required support components close to their associated balls. Do not infer a pinout from distributor search snippets.
The part is listed as obsolete, so avoid silently substituting a related S08 or Microchip MCU based only on similar flash size or clock rate. Record the original ballout, supply rails, peripheral assignments, clock configuration, and firmware dependencies. Validate any migration for USB, SCI, SPI, I²C, PWM, watchdog, reset behavior, and programming before using it in a new production board.
The supplied data confirms Flash, RAM, I/O, communications, and peripheral functions but does not provide supply voltage or current limits. Before power-design work, retrieve the exact electrical characteristics and confirm which peripherals are active simultaneously. Include local decoupling and power-sequence margin appropriate to the manufacturer requirements, then validate the design across startup, reset, idle, communications, and maximum-processing states.
USB and serial interfaces can be sensitive to board-level return paths and power noise even when the MCU is otherwise operated as a low-power control device. Keep communication routing away from switching nodes and noisy power inductors, provide continuous ground references, and follow the datasheet’s external-component recommendations. Test signal levels, edge rates, bus loading, and firmware timing at the intended operating conditions rather than relying on nominal logic specifications.
اطلاعات انطباق
Compliance status was not provided in the verified web data or internal database data. The MCU is not identified as automotive-qualified; do not infer AEC-Q100 status from the application list.