MC9S08JM32CLH - 8-Bit S08 USB MCU 32KB Flash LQFP-64 | NXP
MPN: MC9S08JM32CLH ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.82 | $7.82 |
| 10 | $7.15 | $71.50 |
| 100 | $6.42 | $642.00 |
| 500 | $5.78 | $2,890.00 |
| 1,000 | $5.21 | $5,210.00 |
MC9S08JM32CLH Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), peripherals, and I/O into one device. The S08 core is NXP's 8-bit HCS08 CPU family, descended from the HC08 instruction set with added BGND instruction support and hardware breakpoint capability for in-circuit debugging. Within the broader taxonomy, the S08JM belongs to 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Compared to 32-bit ARM Cortex-M parts, the S08JM prioritizes low cost, simple toolchain, and integrated USB at the expense of raw compute throughput.
Key features include 32 KB Flash program memory, up to 48 MHz CPU clock, full-speed USB 2.0 device on-chip PHY, SCI (UART), SPI, and I2C peripherals, multiple timers (TPM), an analog-to-digital converter, and a low-power stop/wait modes set. The integrated USB controller eliminates the need for an external PHY, which reduces total bill-of-materials cost and PCB area in connected products. Background debug system (BDCS) support allows in-circuit programming and debugging via a single-wire BDC connection.
Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-serial bridges, USB metering and data-acquisition devices, industrial control panels with USB diagnostics ports, and low-cost consumer appliances requiring PC connectivity. Design considerations include selecting appropriate pull-up resistors on the USB D+/D- lines, providing adequate decoupling near the LQFP-64 power pins, and planning the voltage regulator (typically 3.3 V) shared with the USB transceiver. The 64-pin LQFP exposes enough I/O for mixed analog and digital designs while remaining hand-solderable for prototypes.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for MC9S08JM32CLH — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S08JM32CLH (same form factor and footprint) — differing in Package, RoHS Status, CPU Frequency, Core, Debug Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08JM60CLH
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →MC9S08JM16CLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08JM32CLD
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →MC9S08JM32CLC
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08JM32CLH Maximum Ratings & Electrical Characteristics
| Core | S08 (HCS08) 8-bit |
| CPU Maximum Frequency | 48 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| USB Controller | USB 2.0 Full-Speed Device with on-chip PHY |
| Package | 64-LQFP (10 x 10 mm) |
| Pin Count | 64 |
| Mounting Type | Surface Mount |
| Serial Interfaces | SCI (UART), SPI, I2C |
| Timers | TPM (Timer/PWM Module) |
| Debug Interface | Background Debug Controller (BDC), BGND instruction |
| RoHS Status | Compliant |
| Lead-Free | Yes |
MC9S08JM32CLH Pin Configuration
| Pin 1 | PTC2/TxD1 — Port C bit 2 / SCI1 transmit |
| Pin 2 | PTC3/RxD1 — Port C bit 3 / SCI1 receive |
| Pin 3 | PTC4/MOSI1 — Port C bit 4 / SPI1 MOSI |
| Pin 4 | PTC5/MISO1 — Port C bit 5 / SPI1 MISO |
| Pin 5 | PTC6/SPSCK1 — Port C bit 6 / SPI1 clock |
| Pin 6 | PTC7/SS1 — Port C bit 7 / SPI1 slave select |
| Pin 7 | PTE0/TxD2 — Port E bit 0 / SCI2 transmit |
| Pin 8 | PTE1/RxD2 — Port E bit 1 / SCI2 receive |
| Pin 9 | VREFH — ADC high reference voltage |
| Pin 10 | VREFL — ADC low reference voltage |
| Pin 11 | PTE2 — Port E bit 2 |
| Pin 12 | PTE3 — Port E bit 3 |
| Pin 13 | PTE4 — Port E bit 4 |
| Pin 14 | PTE5 — Port E bit 5 |
| Pin 15 | PTE6 — Port E bit 6 |
| Pin 16 | PTE7 — Port E bit 7 |
| Pin 17 | VDDA — Analog supply voltage |
| Pin 18 | VSSA — Analog ground |
| Pin 19 | PTB0/ADP0 — Port B bit 0 / ADC channel 0 |
| Pin 20 | PTB1/ADP1 — Port B bit 1 / ADC channel 1 |
| Pin 21 | PTB2/ADP2 — Port B bit 2 / ADC channel 2 |
| Pin 22 | PTB3/ADP3 — Port B bit 3 / ADC channel 3 |
| Pin 23 | PTB4/ADP4 — Port B bit 4 / ADC channel 4 |
| Pin 24 | PTB5/ADP5 — Port B bit 5 / ADC channel 5 |
| Pin 25 | PTB6/ADP6 — Port B bit 6 / ADC channel 6 |
| Pin 26 | PTB7/ADP7 — Port B bit 7 / ADC channel 7 |
| Pin 27 | PTA0 — Port A bit 0 |
| Pin 28 | PTA1 — Port A bit 1 |
| Pin 29 | PTA2 — Port A bit 2 |
| Pin 30 | PTA3 — Port A bit 3 |
| Pin 31 | PTA4 — Port A bit 4 |
| Pin 32 | PTA5 — Port A bit 5 |
| Pin 33 | PTA6 — Port A bit 6 |
| Pin 34 | PTA7 — Port A bit 7 |
| Pin 35 | PTD0/TPM1CH0 — Port D bit 0 / TPM1 channel 0 |
| Pin 36 | PTD1/TPM1CH1 — Port D bit 1 / TPM1 channel 1 |
| Pin 37 | PTD2/TPM1CH2 — Port D bit 2 / TPM1 channel 2 |
| Pin 38 | PTD3/TPM1CH3 — Port D bit 3 / TPM1 channel 3 |
| Pin 39 | PTD4/TPM1CH4 — Port D bit 4 / TPM1 channel 4 |
| Pin 40 | PTD5/TPM1CH5 — Port D bit 5 / TPM1 channel 5 |
| Pin 41 | PTF0 — Port F bit 0 |
| Pin 42 | PTF1 — Port F bit 1 |
| Pin 43 | PTF2 — Port F bit 2 |
| Pin 44 | PTF3 — Port F bit 3 |
| Pin 45 | PTF4 — Port F bit 4 |
| Pin 46 | PTF5 — Port F bit 5 |
| Pin 47 | PTF6 — Port F bit 6 |
| Pin 48 | PTF7 — Port F bit 7 |
| Pin 49 | PTG0 — Port G bit 0 |
| Pin 50 | PTG1 — Port G bit 1 |
| Pin 51 | USB_DP — USB D+ data line |
| Pin 52 | USB_DM — USB D- data line |
| Pin 53 | VDD — Digital supply voltage |
| Pin 54 | VSS — Digital ground |
| Pin 55 | BKGD/MS — Background debug / mode select |
| Pin 56 | RESET — External reset input, active low |
| Pin 57 | PTC0 — Port C bit 0 |
| Pin 58 | PTC1 — Port C bit 1 |
| Pin 59 | IRQ/TPM2CH0 — External interrupt / TPM2 channel 0 |
| Pin 60 | PTG2 — Port G bit 2 |
| Pin 61 | PTG3 — Port G bit 3 |
| Pin 62 | PTG4 — Port G bit 4 |
| Pin 63 | PTG5 — Port G bit 5 |
| Pin 64 | PTG6 — Port G bit 6 |
Typical Applications
MC9S08JM32CLH is suitable for 6 applications: USB HID Keyboard / Mouse Controller, USB-to-Serial (CDC Virtual COM Port) Bridge, USB Data Acquisition / Metering Dongle, Industrial Control Panel with USB Diagnostics Port, USB Game Controller / Joystick, USB-Connected Consumer Appliance.
USB HID Keyboard / Mouse Controller
The MC9S08JM32CLH's integrated USB 2.0 full-speed device controller with on-chip PHY and 48 MHz S08 core are well matched to USB HID keyboard and mouse firmware, where boot descriptor parsing, scan-matrix debouncing, and HID report generation all fit within 32 KB of Flash. Compared to designs that bolt on an external USB PHY + 8-bit MCU, the JM32 collapses the BOM to a single 64-LQFP IC plus a USB connector, decoupling caps, and pull-up. Engineers typically run the USB stack in polled mode using the SCI-to-USB CDC class for firmware updates, while HID reports run on the interrupt endpoint. The 64-pin LQFP exposes enough GPIO for a 16x8 keyboard scan matrix with spare pins for LEDs and indicators.
Recommended
USB-to-Serial (CDC Virtual COM Port) Bridge
The MC9S08JM32CLH directly implements USB CDC class without external PHY, which is the canonical replacement for legacy FTDI-style bridges. It enumerates as a virtual COM port on the host and presents an SCI (UART) channel at the MCU end at common baud rates up to 115200 bps or more. This is widely used as a debug / diagnostics bridge on industrial control boards where the host PC lacks legacy RS-232. The integrated USB suspend/resume logic plus stop-mode wakeup lets the bridge idle in low-power states between host transmissions, reducing idle power compared to always-on external PHYs.
Recommended
USB Data Acquisition / Metering Dongle
The MC9S08JM32CLH integrates a USB device, an ADC, timers, and 32 KB Flash on a single die, so it is a strong fit for low-cost USB metering and data-acquisition dongles that stream ADC samples to a host PC. Typical designs acquire a few kS/s from the on-chip ADC, frame the samples into USB bulk transfers, and provide host GUI software for plotting. The S08JM's integrated USB eliminates the need for a separate bridge IC, reducing BOM cost and PCB area. The 64-LQFP exposes enough analog channels for multi-sensor monitoring with shared digital I/O for control outputs.
Recommended
Industrial Control Panel with USB Diagnostics Port
The MC9S08JM32CLH provides an industrial-friendly 64-LQFP footprint with an integrated USB device for diagnostics, parameter upload, and firmware updates on factory-floor equipment. The S08 core and USB CDC class allow service technicians to plug a laptop into the panel for live parameter readouts without opening the enclosure. Compared to designs that add a separate USB bridge IC, the JM32 reduces panel-level cost and component count. Industrial applications typically add external ESD protection on D+/D-, common-mode chokes, and isolated USB if the panel sits on a factory bus with high common-mode noise.
Recommended
USB Game Controller / Joystick
The MC9S08JM32CLH's 48 MHz S08 core, integrated USB full-speed device, and 32 KB Flash are well suited to USB HID game controllers with button matrices, analog joystick axes read by the on-chip ADC, and PWM-controlled rumble outputs. The HID class is natively supported by USB and consumes minimal firmware overhead, so a 32 KB Flash budget accommodates the report descriptor, debouncing, and calibration routines. The 64-LQFP exposes enough GPIO for an 8-axis / 16-button layout with spare pins for indicators and configuration switches.
Recommended
USB-Connected Consumer Appliance
The MC9S08JM32CLH provides a low-cost entry point for consumer appliances (massage tools, smart kitchen gadgets, learning toys, fitness accessories) that need PC connectivity for firmware updates, configuration, or data sync. The integrated USB PHY eliminates the need for a bridge IC, keeping BOM cost low for high-volume SKUs. The 32 KB Flash is sufficient for appliance control firmware with a USB vendor class for proprietary host utilities. The 64-LQFP footprint remains hand-solderable for prototype and small-batch production, and the S08 toolchain is mature, royalty-free, and well supported in NXP CodeWarrior and Eclipse-based IDEs.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08JM32CLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08JM60CLH | MC9S08JM16CLH | MC9S08JM32CLD | MC9S08JM32CLC |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 44-LQFP - smaller pin count | 32-LQFP - smaller pin count |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32 KB | 60 KB | 16 KB | 32 KB | 32 KB |
| CPU Core | S08 8-bit, 48 MHz | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same |
| USB Controller | USB 2.0 FS Device with on-chip PHY | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same |
| Pin Count | 64 | 64 | 64 | 44 | 32 |
| Lifecycle Status | Active | Active | Active | Active | Active |
| Automotive Grade | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) |
Key Differentiators
- Integrated USB 2.0 full-speed PHY on-chip (vs MC9S08PT32AVLH)
- Higher Flash density within same family (vs MC9S08JM16CLH)
- Full 64-LQFP pinout preserves maximum I/O (vs MC9S08JM32CLD (44-LQFP))
Design Notes
The MC9S08JM32CLH integrates its USB transceiver off the on-chip regulator; you should still supply a clean 3.3 V from an external LDO (such as an MC78LC33 or equivalent) with a 100 nF decoupling cap placed within 5 mm of the VDD pin and a bulk 4.7 uF tantalum or ceramic at the regulator output. USB suspend current is sensitive to supply ripple; keep the analog VDD rail (VDDA) decoupled separately from the digital VDD to avoid ADC and USB noise coupling. Estimate: at 48 MHz CPU clock, typical core current is on the order of 15-25 mA depending on peripherals enabled.
Route the USB D+ and D- traces as a 90-ohm differential pair on the top layer with continuous ground reference beneath, keep them short (under 50 mm), and place the 27-ohm series termination resistors (per USB 2.0 spec) as close to the MCU pins as possible. The LQFP-64 land pattern is hand-solderable but requires careful paste-stencil aperture design for the 0.5 mm pitch leads to avoid solder bridges. Provide a solid ground pour under the MCU and stitch vias around the periphery to reduce EMI and improve thermal dissipation.
Do not omit the external pull-up resistor on USB D+ - USB enumeration requires a 1.5 kohm pull-up to 3.3 V to signal full-speed device presence to the host. Ensure the BKGD/MS pin has a proper pull-up or pull-down per the datasheet to select the correct boot mode on reset. Do not rely on the internal pull-up on RESET - add an external 10 kohm pull-up and a 100 nF capacitor for clean reset behavior. The internal USB PHY requires the on-chip voltage regulator to be enabled via the USBCTL register before USB transactions can begin.
Compliance Information
RoHS compliant per NXP product page and DigiKey listing. Not AEC-Q100 qualified - this is an industrial/consumer grade part. REACH and halogen-free status not explicitly stated in the provided web data.
