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NXP Semiconductors MC9S08JM32CLH
- Part No.:
- MC9S08JM32CLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MC9S08JM32CLH.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,124
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Product details
Overview
MC9S08JM32CLH from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip flash, 2 KB RAM, and integrated USB 2.0 full-speed device controller. It operates at up to 48 MHz CPU frequency and 24 MHz bus speed, features a 12-bit ADC with temperature sensor, dual SPI/I²C/SCI peripherals, and supports Stop3 low-power mode for battery-powered USB devices.
For engineers reviewing the MC9S08JM32CLH datasheet, MC9S08JM32CLH pinout, MC9S08JM32CLH application, or MC9S08JM32CLH equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases in embedded USB peripherals, and validated alternative options for migration or sourcing continuity.
Technical Context
The MC9S08JM32CLH implements the HCS08 CPU core with BGND instruction support and on-chip background debug module featuring two comparators, nine trigger modes, and eight-deep FIFO for trace. Its MCG clock generator supports FLL and PLL modes with internal reference trimming for stable USB timing.
Peripherals include a dedicated USB transceiver with 3.3-V regulator and USBDP pull-up resistor, dual 16-bit TPM modules with PWM and input capture, and an analog comparator operational in Stop3 mode - enabling deterministic low-power sensing while maintaining USB readiness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 8-bit core with 48-MHz max operation and HC08 instruction set extension |
| Flash Memory | 32 KB in-circuit programmable flash with block protection and security options |
| RAM | 2 KB system RAM + 256 bytes dedicated USB RAM for endpoint buffering |
| USB Interface | Full-speed (12 Mbps) device controller with integrated transceiver and 3.3-V regulator |
| ADC | 12-channel, 12-bit SAR ADC with automatic compare function and internal temperature sensor |
| Timers | One 2-channel and one 6-channel 16-bit TPM supporting PWM, input capture, and buffered CPWM |
| Package | 44-pin LQFP (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, lead-free |
Pinout & Package
MC9S08JM32CLH is housed in a 44-pin low-profile quad flat package (LQFP) with exposed thermal pad, optimized for compact industrial and consumer USB peripherals. Pin assignments follow Freescale's standard HCS08 JM-series layout with dedicated USB, reset, oscillator, and I/O groupings.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Separate digital power/ground pins reduce noise coupling into sensitive analog/USB sections |
| VDDAD, VSSAD | Analog domain supply and ground | Isolated analog rail enables high-accuracy 12-bit ADC measurements without digital switching interference |
| VUSB33 | USB 3.3-V regulator output | Internal LDO supplies USB PHY; requires external 4.7-µF ceramic capacitor for stability |
| USBDP / USBDN | USB differential data pair | On-die termination and ESD protection meet USB 2.0 full-speed electrical compliance without external components |
| XTAL / EXTAL | Clock crystal connections | Supports 1–24 MHz crystals; MCG automatically configures FLL/PLL for precise 48-MHz USB clock derivation |
| RESET | Active-low master reset | Internal pullup eliminates need for external resistor; compatible with pushbutton or supervisor IC assertion |
| BKGD/MS | Background debug and mode select | Single-pin SWD-like interface for programming and real-time debugging via BDM pod |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB PHY | Eliminates external transceiver and level-shifting components, reducing BOM count and PCB area by ≥4 parts |
| Stop3 Low-Power Mode | Retains USB device address, endpoint configuration, and RAM contents while drawing <2 µA - enables instant resume from sleep |
| Dual SPI Modules | Independent 8-/16-bit configurable interfaces with hardware match function support fast sensor or display communication without CPU overhead |
| On-Chip Temperature Sensor | Factory-calibrated ±3°C accuracy over –40°C to +105°C enables thermal monitoring without external IC |
| Programmable Slew Rate & Drive Strength | Per-port software control minimizes EMI during GPIO transitions and optimizes signal integrity on long traces |
Applications
| USB Human Interface Device (HID) | Industrial Sensor Node |
|---|---|
Use Scenario: Compact wired keyboard/mouse with custom macro keys and LED feedback. IC Role / Device Role / Timing Role: Primary MCU executing HID report generation, USB enumeration, and local key scanning logic. Use Value: Integrated USB PHY and 256-byte USB RAM enable zero-latency report transmission; Stop3 mode extends battery life between keystrokes. |
Use Scenario: DIN-rail mounted temperature/humidity monitor with RS-485 backhaul and local LCD. IC Role / Device Role / Timing Role: System controller managing ADC sampling, I²C sensor reads, SPI LCD updates, and SCI-based Modbus RTU protocol. Use Value: Dual SCI modules support simultaneous debug console and fieldbus communication; internal temperature sensor validates ambient calibration. |
| Medical Diagnostic Tool | Consumer Audio Accessory |
Use Scenario: Portable pulse oximeter with OLED display and USB data export. IC Role / Device Role / Timing Role: Signal processor acquiring analog photodiode inputs, performing SpO₂ calculation, and serving data via CDC ACM USB class. Use Value: 12-bit ADC with automatic compare triggers on saturation; USB RAM buffers waveform samples before host transfer. |
Use Scenario: USB-powered headphone amplifier with volume control and LED status indicators. IC Role / Device Role / Timing Role: USB device controller handling vendor requests for gain adjustment and reporting battery voltage via ADC. Use Value: On-chip 3.3-V USB regulator powers external op-amps; KBI module scans mechanical encoder inputs with no CPU polling. |
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 |
|---|---|---|---|
| MC9S08JM60CLH | 60 KB flash, 4 KB RAM, identical peripheral set and pinout | Same footprint and firmware compatibility; suited for future-proofing or larger code bases | Select when >32 KB flash is required; no hardware change needed |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+, 128 KB flash, 16 KB RAM, USB same spec | Higher performance, richer peripheral set (e.g., DAC, more timers), but requires firmware porting | Choose for new designs needing scalability beyond 8-bit constraints |
Compared with MC9S08JM32CLH, MC9S08JM60CLH offers direct flash/RAM headroom within identical hardware and toolchain constraints, while S9KEAZ128AMLH provides architectural upgrade path at the cost of software rework - both preserve USB functionality and LQFP-44 packaging.
Availability
MC9S08JM32CLH is available at Aetrix Electronics and suitable for USB peripheral design, industrial sensor interface, and medical diagnostic equipment requiring stable component supply across multi-year production cycles.
Supply support for MC9S08JM32CLH 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 roots in Freescale's embedded MCU heritage.
The HCS08 JM-series, including MC9S08JM32CLH, was designed for cost-sensitive, USB-integrated embedded systems where small footprint, low power, and rapid time-to-market are critical.
FAQ
What is the maximum operating frequency of the MC9S08JM32CLH CPU core?
The MC9S08JM32CLH CPU core runs at up to 48 MHz, with a corresponding 24-MHz internal bus frequency. This timing is derived from the MCG clock generator using either internal reference trimming or external crystal input, ensuring precise USB frame timing and deterministic interrupt latency for real-time tasks.
Does the MC9S08JM32CLH support USB device enumeration without external components?
Yes, the MC9S08JM32CLH integrates a full USB 2.0 full-speed transceiver, on-chip 3.3-V regulator (VUSB33), and USBDP pull-up resistor. When paired with a standard 12-MHz crystal and appropriate decoupling capacitors, it achieves USB enumeration without external PHY, level shifters, or voltage regulators - confirmed per Freescale's Rev. 5 datasheet Section 17.
How much RAM is allocated specifically for USB operations in the MC9S08JM32CLH?
The MC9S08JM32CLH allocates 256 bytes of dedicated USB RAM, separate from the 2 KB system RAM. This memory is used exclusively for USB endpoint buffer storage and is accessible only by the USB module - enabling zero-copy transfers and deterministic response to IN/OUT token requests during active USB sessions.
Can the MC9S08JM32CLH operate in low-power modes while maintaining USB device readiness?
Yes, the MC9S08JM32CLH supports Stop3 mode, which retains USB address, endpoint configuration, and all RAM contents while drawing less than 2 µA. In this state, the device responds instantly to USB resume signaling or remote wakeup requests - making it suitable for battery-powered HID and diagnostic tools requiring instant-on capability.
What debug interface does the MC9S08JM32CLH use, and what hardware is required?
The MC9S08JM32CLH uses the single-wire Background Debug Mode (BDM) interface via the BKGD/MS pin. It requires a compatible BDM pod (e.g., PE Micro Cyclone or Segger J-Link with BDM firmware) for flash programming, breakpoint setting, and real-time register inspection - no JTAG header or additional pins are needed.
MC9S08JM32CLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- S08
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 51
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08JM32CLH FAQ
1.How can I place an order for MC9S08JM32CLH through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08JM32CLH 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 MC9S08JM32CLH reliable?
The price and inventory of MC9S08JM32CLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08JM32CLH is usually 5 days.
3.What payment methods are accepted for MC9S08JM32CLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08JM32CLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08JM32CLH?
MC9S08JM32CLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08JM32CLH 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 MC9S08JM32CLH?
For technical support, including MC9S08JM32CLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08JM32CLH requirements.
6.How does Aetrix verify that MC9S08JM32CLH is sourced from the original manufacturer or authorized distributors?
All MC9S08JM32CLH 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 MC9S08JM32CLH meets industry standards.
7.What is the process for return or replacement of MC9S08JM32CLH?
All MC9S08JM32CLH units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08JM32CLH, 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 MC9S08JM32CLH part is unused and in its original packaging.
Return procedure for MC9S08JM32CLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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