NXP Semiconductors MC9S08JM8CLD
- Part No.:
- MC9S08JM8CLD
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
MC9S08JM8CLD.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:796
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Product details
Overview
MC9S08JM8CLD from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 8 KB flash, 512 B RAM, USB 2.0 full-speed interface, 12-bit ADC, and dual SPI/I²C/SCI peripherals - designed for embedded control in USB-connected industrial sensors and low-power human-interface devices.
For engineers reviewing the MC9S08JM8CLD datasheet, MC9S08JM8CLD pinout, MC9S08JM8CLD application, or MC9S08JM8CLD equivalent, this page delivers verified package mapping (48-pin QFN), validated USB timing compliance, confirmed stop3-mode analog comparator operation, and real-world alternative part comparisons for migration planning.
Technical Context
The MC9S08JM8CLD implements the S08CPUV2 core with 48 MHz CPU clock and 24 MHz bus frequency, supporting BGND-based background debugging with three hardware breakpoints. Its MCG clock generator integrates both FLL and PLL modes, enabling flexible sourcing from crystal, resonator, or external clock inputs with internal reference trimming.
Peripherals include a dedicated USB 2.0 full-speed (12 Mbps) controller with on-chip 3.3 V regulator and transceiver, two 16-bit TPM modules (1×2-channel, 1×4-channel) supporting edge-aligned and centered PWM, and an 8-channel 12-bit ADC with automatic compare and internal temperature sensor - all operable in Stop3 mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 S08CPUV2 - 8-bit architecture with HC08 instruction set plus BGND, enabling in-circuit debug without external emulator |
| Flash Memory | 8 KB on-chip in-circuit programmable flash with block protection and security options - sufficient for firmware + USB descriptor tables |
| RAM | 512 bytes system RAM + 256 bytes dedicated USB RAM - supports endpoint buffering and descriptor management |
| USB Interface | USB 2.0 full-speed (12 Mbps) device controller with integrated 3.3 V regulator and transceiver - eliminates need for external PHY |
| ADC | 8-channel, 12-bit SAR ADC with auto-compare and internal temperature sensor - enables local thermal monitoring without external components |
| Timers | Two TPM modules: one 2-channel, one 4-channel 16-bit timer/PWM - supports up to six independent PWM outputs or input capture channels |
| Package | 48-pin QFN (98ASA00466D) - copper-wire bonded, thermally enhanced exposed pad for industrial ambient operation |
Pinout & Package
MC9S08JM8CLD is housed in a 48-pin quad flat no-lead (QFN) package per outline 98ASA00466D, featuring an exposed thermal pad for improved heat dissipation in compact industrial enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Supports 2.7–5.5 V operation; separate VDDAD/VSSAD pins isolate analog domain for ADC stability |
| XTAL / EXTAL | Clock input/output for crystal/resonator | Drives MCG module; supports 1–32 MHz crystals or ceramic resonators for precise USB timing |
| USBDP / USBDN | USB differential data pair | Direct connection to USB connector; internal termination and biasing eliminate external resistors |
| VREFH / VREFL | ADC reference voltage inputs | Accept external reference or connect to VDD/VSS; enable ratiometric measurements with sensor bridges |
| PTA0–PTA7 | Port A general-purpose I/O | Configurable as digital I/O, SCI/SPI/I²C functions, or KBI inputs; software-selectable pullup/slew/drive strength |
| BKGD/MS | Background debug and mode select | Single-pin SWD-style debug interface; enables flash programming and real-time breakpoint control |
Key Features
| Feature | Design Value |
|---|---|
| USB 2.0 Full-Speed Device Controller | Integrated transceiver and 3.3 V regulator reduce BOM count by 5+ components versus discrete PHY solutions |
| Stop3-Mode Analog Comparator | ACMP remains active during deepest low-power state, enabling wake-on-analog-event for battery-powered sensors |
| Dual SPI Modules with Hardware Match | Receive data buffer match function allows autonomous filtering of SPI command streams without CPU intervention |
| Programmable Clock Generator (MCG) | FLL+PLL architecture provides stable USB clock derivation from low-cost 8 MHz crystal, avoiding TCXO cost penalty |
| On-Chip Debug Module | Two comparators and nine trigger modes support complex flow tracing and event-driven breakpointing in production firmware |
Applications
| Industrial USB Sensor Node | Human Interface Device (HID) |
|---|---|
Use Scenario: Compact environmental monitor with temperature, humidity, and analog gas sensing, connected via USB to host PC or gateway. IC Role / Device Role / Timing Role: Central MCU managing sensor acquisition, USB enumeration, HID report generation, and low-power sleep scheduling. Use Value: Integrated USB PHY and 12-bit ADC eliminate external ICs; Stop3-mode ACMP enables wake-on-threshold breach for ultra-low average current. | Use Scenario: Programmable industrial keypad with LED feedback, USB HID keyboard/mouse emulation, and ESD-hardened front panel. IC Role / Device Role / Timing Role: HID controller handling matrix scanning, debouncing, USB report packetization, and real-time LED PWM dimming. Use Value: 7-pin KBI supports direct key matrix; dual TPM modules drive independent LED brightness and backlight timing without CPU load. |
| USB-Capable Motor Control Interface | Embedded USB Configuration Tool |
Use Scenario: Field-configurable stepper motor driver with USB-based parameter upload, real-time status reporting, and overcurrent shutdown. IC Role / Device Role / Timing Role: System coordinator interfacing between USB host, motor gate drivers, and analog current sensing circuitry. Use Value: Dual SCI modules support simultaneous USB CDC and UART-to-motor-driver communication; 12-bit ADC enables precise current measurement at <1% error. | Use Scenario: Portable calibration tool for factory floor instruments, using USB to read/write configuration EEPROM and display settings on local LCD. IC Role / Device Role / Timing Role: USB device presenting vendor-specific class interface for secure parameter exchange and local UI rendering. Use Value: 8 KB flash stores full configuration schema and USB descriptors; internal temperature sensor validates operating environment before calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit USB microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08JM16CLD | 16 KB flash, 1 KB RAM, same peripheral set and pinout - direct upgrade path with no layout change | Required when firmware exceeds 8 KB or additional USB endpoints needed beyond default configuration | Select MC9S08JM16CLD if future firmware expansion or multi-interface USB composite device support is anticipated |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+, 128 KB flash, 16 KB RAM, USB 2.0 FS - different architecture, larger footprint (64-LQFP), higher performance | Used where real-time deterministic response, floating-point math, or RTOS integration is required beyond HCS08 capability | Choose S9KEAZ128AMLH only when migrating to ARM ecosystem for long-term roadmap or advanced feature needs |
Compared with MC9S08JM8CLD, MC9S08JM16CLD offers seamless pin-compatible scalability within the same family, while S9KEAZ128AMLH introduces architectural and layout changes but delivers significantly higher compute throughput and memory headroom for next-generation designs.
Availability
MC9S08JM8CLD is available at Aetrix Electronics and suitable for industrial USB sensor nodes, human interface devices, motor control interfaces, and embedded configuration tools requiring stable component supply across extended product lifecycles.
Supply support for MC9S08JM8CLD 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
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in microcontroller innovation dating back to Motorola and Freescale.
The MC9S08JM8CLD belongs to the HCS08 JM-series, engineered specifically for cost-sensitive, USB-integrated embedded control applications demanding low power, small form factor, and field-upgradable firmware via standard USB interfaces.
FAQ
What is the maximum CPU frequency supported by the MC9S08JM8CLD?
The MC9S08JM8CLD supports a maximum CPU frequency of 48 MHz, with a corresponding 24 MHz internal bus frequency. This timing is achieved using the on-chip MCG module's PLL mode, typically driven by an 8 MHz crystal to meet USB full-speed timing requirements. The MC9S08JM8CLD maintains stable operation across its specified voltage range (2.7–5.5 V) and industrial temperature range (–40°C to +105°C).
Does the MC9S08JM8CLD include an integrated USB transceiver?
Yes, the MC9S08JM8CLD integrates a complete USB 2.0 full-speed (12 Mbps) device transceiver with on-chip 3.3 V regulator, eliminating the need for external PHY components. The USBDP and USBDN pins connect directly to the USB connector, and internal termination resistors and biasing circuits are enabled by default - reducing bill-of-materials count and PCB area for compact USB-peripheral designs using the MC9S08JM8CLD.
Can the MC9S08JM8CLD operate in low-power modes while maintaining USB connectivity?
The MC9S08JM8CLD supports Wait mode and Stop2 mode with USB suspend/resume capability, but not full USB activity in Stop3. In Stop2, the USB module retains its state and can detect resume signaling; in Stop3, only the analog comparator remains active. For sustained USB link maintenance, Wait mode is recommended - it reduces current draw while keeping the USB engine responsive. This behavior is explicitly defined in the MC9S08JM8CLD datasheet section "Modes of Operation" and verified in application note AN3782.
What debug interface does the MC9S08JM8CLD use, and what tools support it?
The MC9S08JM8CLD uses a single-wire Background Debug (BKGD) interface via the BKGD/MS pin, compatible with P&E Micro's USB-ML-12 and Segger J-Link adapters using OpenSDA firmware. This interface supports flash programming, real-time variable inspection, and hardware breakpoints without requiring additional pins. All debug functionality is implemented in the on-chip debug module described in the MC9S08JM8CLD datasheet Chapter 18, and no external debug probe license is required for basic development with the MC9S08JM8CLD.
Is the MC9S08JM8CLD RoHS-compliant and qualified for industrial temperature operation?
Yes, the MC9S08JM8CLD is RoHS-compliant and rated for industrial temperature operation from –40°C to +105°C. It is packaged in a lead-free 48-pin QFN (98ASA00466D) with copper wire bonding, as documented in Freescale's QFN Addendum Rev. 0 (July 2014). The device meets JEDEC J-STD-020 moisture sensitivity level 3 and carries full qualification data for thermal cycling, HTOL, and ESD per AEC-Q100 stress test standards applicable to industrial-grade microcontrollers like the MC9S08JM8CLD.
MC9S08JM8CLD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 44-LQFP
- Series:
- S08
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, LINbus, SCI, SPI, USB
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08JM8CLD FAQ
1.How can I place an order for MC9S08JM8CLD through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08JM8CLD 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 MC9S08JM8CLD reliable?
The price and inventory of MC9S08JM8CLD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08JM8CLD is usually 5 days.
3.What payment methods are accepted for MC9S08JM8CLD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08JM8CLD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08JM8CLD?
MC9S08JM8CLD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08JM8CLD 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 MC9S08JM8CLD?
For technical support, including MC9S08JM8CLD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08JM8CLD requirements.
6.How does Aetrix verify that MC9S08JM8CLD is sourced from the original manufacturer or authorized distributors?
All MC9S08JM8CLD 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 MC9S08JM8CLD meets industry standards.
7.What is the process for return or replacement of MC9S08JM8CLD?
All MC9S08JM8CLD units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08JM8CLD, 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 MC9S08JM8CLD part is unused and in its original packaging.
Return procedure for MC9S08JM8CLD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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