MC9S08MM32VLH - 8-Bit 48MHz MCU 32KB Flash LQFP-64 | NXP
MPN: MC9S08MM32VLH ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $5.2 | $52.00 |
| 100 | $5.1 | $510.00 |
| 500 | $5.05 | $2,525.00 |
| 1,000 | $4.95 | $4,950.00 |
MC9S08MM32VLH Overview
An 8-bit microcontroller (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals on one chip, forming the lowest tier of the embedded processor hierarchy (MCU -> embedded processor -> controller -> semiconductor). The S08 family is the enhanced successor to Freescale's HC08 instruction set architecture, widely used in cost-sensitive embedded control.
Key features of the MC9S08MM32VLH include the HCS08 instruction set, a 1.8V to 3.6V supply voltage range, 33 general-purpose I/O lines, and on-chip FLASH memory that allows in-circuit reprogramming for firmware iteration and field updates. The 48 MHz maximum CPU clock enables fast execution of control loops and arithmetic-heavy routines uncommon in slower 8-bit platforms.
Technical depth: the device scales its operating frequency with supply voltage, allowing designers to trade speed against power consumption. The wide temperature rating (105C) supports industrial and automotive-adjacent environments, while the 64-LQFP 10x10 mm body provides enough pins for 33 I/O plus power, oscillator, and debug connections without requiring fine-pitch assembly.
Typical applications include industrial control and automation nodes, consumer appliance control panels, battery-powered instrumentation, motor control辅助 logic, and system-monitoring functions where an 8-bit core reduces software complexity compared to 32-bit alternatives.
Design consideration: verify that the target CPU frequency matches the supply voltage rail - running above the published voltage-versus-frequency limits (48 MHz above 2.7 V, 40 MHz above 2.1 V, 20 MHz above 1.8 V) violates the datasheet operating conditions.
This page synthesizes distributor pricing and stock data, drop-in S08-family alternatives, and practical design notes not found in the manufacturer datasheet, providing a single point of comparison for engineers evaluating the MC9S08MM32VLH.
Drop-in alternatives for MC9S08MM32VLH — 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 MC9S08MM32VLH (same form factor and footprint) — differing in Package, Operating Temperature, Supply Voltage Range, Core, Core Processor.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08MM64VLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08MM16VLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08MM32VLFR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08DN32MLH
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08AW32CPUE
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →MC9S08MM32VLH Maximum Ratings & Electrical Characteristics
| Core | S08 (HCS08 instruction set), 8-bit |
| Core Architecture | S08 |
| Maximum CPU Clock | 48 MHz |
| Clock Frequency vs Supply | 48 MHz above 2.7 V, 40 MHz above 2.1 V, 20 MHz above 1.8 V |
| Flash Memory | 32KB (32K x 8) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Number of I/O | 33 |
| Operating Temperature | -40C to +105C |
| Package | 64-LQFP (10 x 10 mm) |
| Mounting Type | Surface Mount |
| Program Memory Type | FLASH |
| Supplier Lifecycle | ACTIVE |
| RoHS Status | RoHS Compliant |
| Manufacturer (Current) | NXP USA Inc. (formerly Freescale Semiconductor) |
| Peripheral Family | S08 series integrated peripherals |
| Inventory (Heisener) | 3,104 pcs as of 2026-10-18 |
MC9S08MM32VLH 64-lqfp (10 x 10 mm) Pin Configuration Guide
Pin configuration for MC9S08MM32VLH (64-lqfp (10 x 10 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC9S08MM32VLH.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08MM32VLH is suitable for 6 applications: Industrial Control Nodes, Consumer Appliance Control Panels, Battery-Powered Instrumentation, Motor Control Support Logic, System Monitoring and Supervision, Legacy S08 Platform Maintenance.
Industrial Control Nodes
The MC9S08MM32VLH fits industrial control nodes where its -40C to +105C temperature rating covers unconditioned cabinets and its 48 MHz S08 core executes closed-loop control logic faster than mainstream 8-bit parts. The 33 I/O lines directly drive relays, optocoupled inputs, and indicator LEDs, while the 1.8V to 3.6V supply range allows integration into 3.3V logic domains. Because frequency scales with supply, the controller can run at 20 MHz on a 1.8V rail for low-power standby monitoring and step to 48 MHz above 2.7V during active control cycles. On-chip FLASH supports in-field firmware updates without desoldering, reducing maintenance cost on deployed machinery.
Recommended
Consumer Appliance Control Panels
Appliance and white-goods control panels benefit from the MC9S08MM32VLH's combination of 33 I/O for keypad matrices and multiplexed segment displays and its 105C rating near heat-generating loads. The 48 MHz bus speed handles button debouncing, display refresh, and simple sensor fusion routines within a single 8-bit device, keeping the bill of materials cost-effective versus a 32-bit MCU. The 32KB in-circuit reprogrammable FLASH allows one firmware image to serve multiple appliance SKUs, and the low 1.8V floor enables designs that meet standby-power regulations by dropping clock speed in sleep modes. The 64-LQFP 10x10 mm package is hand-assemblable for repair-friendly consumer boards.
Recommended
Battery-Powered Instrumentation
Portable and battery-powered instruments exploit the MC9S08MM32VLH's 1.8V supply floor: the device runs a 20 MHz core from a single-cell-derived 1.8V rail, reducing logic power proportionally with voltage. Frequency-versus-voltage scaling means firmware can hold the CPU at minimum speed most of the time and ramp only during measurement bursts. The 105C industrial rating also suits outdoor meters and dataloggers exposed to solar gain. On-chip peripherals of the S08 MM family handle ADC sampling and serial links to displays or wireless modules, while the 32KB FLASH retains calibration tables through power cycles and permits recalibration routines delivered as field updates.
Recommended
Motor Control Support Logic
In motor-driven products, the MC9S08MM32VLH serves as supervisory and commutation-support logic alongside a power stage. Its 48 MHz capability provides headroom for PWM generation, fault diagnosis, and tachometer pulse processing at rates beyond what 16 MHz-class 8-bit MCUs sustain. The 33 I/O ports configure gate-drive enables, current-sense alarm inputs, and control-interface outputs in one package, and the 105C rating tolerates motor-compartment temperatures. Running the S08 core above 2.7V ensures timing margins for the fastest control loops, while 32KB FLASH holds multiple speed profiles selectable at runtime, supporting product variants built on a single controller firmware platform.
Recommended
System Monitoring and Supervision
The MC9S08MM32VLH is effective as a board-management supervisor tracking voltages, temperatures, and fan status in larger systems. The 8-bit S08 core keeps firmware auditable and small, and 32KB flash accommodates event logs and threshold tables with room to spare. Its 33 I/O monitor digital alarms and drive status LEDs, while the supply-scaling architecture lets it idle at 1.8V/20 MHz for minimal quiescent draw, an advantage in always-on monitoring roles. The 105C range supports operation inside power shelves and telecom rectifiers, and the 64-LQFP footprint with through-repair-friendly 0.5 mm-pitch leads simplifies maintenance in long-lifecycle infrastructure equipment.
Recommended
Legacy S08 Platform Maintenance
Many installed S08 platforms still require ongoing production of existing boards. The MC9S08MM32VLH serves both as the original controller for such designs and as a sourcing anchor: Rochester Electronics and NXP both supply it through DigiKey as of 2026-10-18, extending availability beyond the standard NXP catalog path. Because the MM family shares the 64-LQFP footprint across 16KB/32KB/64KB densities, a maintenance redesign can move to MC9S08MM64VLH without a PCB respin if firmware grows. Engineers maintaining HCS08 code bases avoid a migration to newer cores by continuing with this active-lifecycle 48 MHz S08 device.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08MM32VLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08MM64VLH | MC9S08MM16VLH | MC9S08DN32MLH | MC9S08AW32CPUE |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP - same | 64-QFP - same |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32KB (32K x 8) | 64KB | 16KB | 32KB | 32KB |
| Core / Max Clock | S08, 48 MHz | S08, 48 MHz | S08, 48 MHz | S08, 50 MHz | S08, 40 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.7 V to 5.5 V | 5 V nominal |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C | -40C to +125C |
| Special Peripherals | S08 MM peripheral set | S08 MM peripheral set | S08 MM peripheral set (reduced) | USB On-The-Go | 5V-tolerant AW peripheral set |
Key Differentiators
- Highest speed tier of the MM flash family (vs MC9S08AW32CPUE)
- Flash scalability in the same footprint (vs MC9S08MM64VLH)
- USB connectivity in the same package format (vs MC9S08DN32MLH)
Design Notes
Match the CPU frequency to the supply rail: the MC9S08MM32VLH is specified for 48 MHz above 2.7 V, 40 MHz above 2.1 V, and 20 MHz above 1.8 V across -40C to +105C. If your 3.3V rail can sag during brownout, configure the oscillator for a frequency valid at the minimum rail voltage, or use the S08 reset/brownout supervision to hold the core in reset until the rail stabilizes. Decouple each VDD/VSS pin pair with 100 nF ceramics placed within 2 mm of the pins.
The 64-LQFP 10x10 mm body has 0.5 mm pitch leads. Use a solder-mask-defined land pattern per the manufacturer footprint in the technical data, and route the oscillator traces short and away from switching signals. Reserve a background debug mode (BDM) 6-pin header on the PCB even in production - S08 firmware flashing and debugging require this interface, and retrofitting it after layout is impractical.
Do not assume pin compatibility across S08 subfamilies: the DN32 (USB) and AW32 (5V) parts share the 64-pin QFP format but differ in supply range and peripheral multiplexing, so a swap requires pin-by-pin verification against both datasheets. Also, this is legacy Freescale silicon partially supplied through Rochester Electronics - for new production, confirm long-term supply commitment with NXP before design freeze, and consider designing the board to also accept the MC9S08MM64VLH flash upgrade.
Estimated: at 48 MHz the S08 core draws on the order of a few mA to tens of mA from a 3.3V rail (exact ICC per datasheet tables), so worst-case self-heating is well under 100 mW. With the 64-LQFP theta_JA typically around 50-60 C/W on a standard 4-layer board, junction rise is negligible; the -40C to +105C rating is therefore limited by ambient, not self-heating, for typical control applications.
Compliance Information
Datasheet packaging data lists the part as ROHS COMPLIANT in LQFP-64. REACH, halogen-free, and conflict-minerals declarations not found in provided data - obtain current certificates from the NXP compliance portal.
