MC9S08LG32CLK - 8-Bit 40MHz 32KB Flash LCD MCU | NXP
MPN: MC9S08LG32CLK ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.4062 | $6.41 |
| 10 | $6.4062 | $64.06 |
| 100 | $6.4062 | $640.62 |
| 500 | $6.4062 | $3,203.10 |
| 1,000 | $6.4062 | $6,406.20 |
MC9S08LG32CLK Overview
The MC9S08LG32CLK belongs to the NXP MC9S08LG family of 8-bit microcontrollers with integrated liquid-crystal display drive. An HCS08 MCU combines a CPU, embedded flash, RAM, timers, serial interfaces, analog peripherals, and LCD-drive resources in one device. This family targets applications such as electric meters, home appliances, HVAC systems, and entry-level instrument clusters.
Key features include an 8-bit HCS08 central processing unit, clock operation to 40MHz, 32KB of flash memory, 3.3V/5V operation, flexible pin functionality, and support for segment LCDs with up to 296 segments. The 80-LQFP package provides the pin count needed for display and control connectivity in compact embedded systems.
The device is designed for low-cost, display-oriented embedded control. Its 5V segment-LCD capability and integrated analog functions allow designers to build meters, appliance controls, and HVAC interfaces without adding a separate display driver. The HCS08 architecture supports deterministic control while keeping firmware and hardware integration compact.
Typical applications include electric meters, household appliances, HVAC controllers, industrial instrumentation, automotive control panels, and entry-level instrument clusters. The LCD-driver resources are particularly useful when a large number of segments must be scanned directly.
When designing a circuit, confirm the exact LCD segment and pin assignment, operating voltage, clock configuration, and external component requirements in the MC9S08LG32 datasheet. Use the specified decoupling and programming/debug interfaces rather than assuming compatibility with a different MCU pinout.
Drop-in alternatives for MC9S08LG32CLK — 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 MC9S08LG32CLK (same form factor and footprint) — differing in Package, ADC, Communication Peripherals, Flash Memory, Maximum CPU Frequency.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S08LG32J0CLK
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View Datasheet →MC9S08LG32CLK Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit HCS08 segment-LCD microcontroller |
| CPU | 8-bit HCS08 Central Processing Unit |
| Maximum CPU Frequency | 40 MHz |
| Flash Memory | 32 KB |
| Flash Organization | 32K x 8 |
| Supply Voltage | 3.3 V / 5 V |
| LCD Drive | Segment LCD drive |
| Maximum LCD Segments | Up to 296 segments |
| Package | 80-LQFP, 14 x 14 mm |
| Mounting Type | Surface mount |
| Embedded Debug | On-chip in-circuit emulator (ICE) |
| Power Modes | Optimized power modes |
| Automotive Application | Application support identified by NXP product information |
MC9S08LG32CLK 80-lqfp, 14 x 14 mm Pin Configuration Guide
Pin configuration for MC9S08LG32CLK (80-lqfp, 14 x 14 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 MC9S08LG32CLK.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08LG32CLK is suitable for 6 applications: Electric Meter Display, Home Appliance Control, HVAC System Interface, Entry-Level Instrument Cluster, Industrial Metering Panel, Low-Cost Segment-LCD Controller.
Electric Meter Display
The MC9S08LG32CLK fits an electric-meter control board because it combines an 8-bit HCS08 CPU, 32KB of flash, and segment-LCD drive in one device. The verified family supports LCDs with up to 296 segments, making it useful for displays that show consumption, status, units, and operating modes. Its 80-LQFP package provides access to display and control signals, while the 3.3V/5V support can simplify system-level supply planning. Design validation should confirm the exact segment map, LCD bias, and pin multiplexing in the NXP datasheet.
Recommended
Home Appliance Control
The MC9S08LG32CLK is appropriate for appliances that need embedded control, a display, and several discrete inputs or outputs. Its 8-bit HCS08 processor, 32KB flash, integrated analog features, and segment-LCD resources support user-interface and machine-control functions in one controller. The 40MHz operating capability provides headroom for debouncing, sensing, motor or relay sequencing, and display scanning. Use the exact datasheet pinout and application configuration before assigning appliance-control outputs, and verify EMC and power-supply requirements separately.
Recommended
HVAC System Interface
The MC9S08LG32CLK can serve as the display and supervisory controller in an HVAC system because it integrates segment-LCD drive with general-purpose embedded-control resources. The verified family is specifically associated with HVAC applications, and the MCU’s 32KB flash supports user-interface logic, temperature-table handling, status sequencing, and diagnostic messages. Its 80-LQFP package offers more external connectivity than a small package, which is useful when several sensors, indicators, or interface lines are required. Validate LCD timing and control-signal polarity against the final schematic.
Recommended
Entry-Level Instrument Cluster
The MC9S08LG32CLK is suited to an entry-level instrument cluster that combines segmented status indicators with embedded system logic. The MC9S08LG family supports up to 296 segments, while the 8-bit HCS08 CPU and 40MHz maximum operation support display updates, button input, sensor conditioning, and state-machine control. The 80-LQFP package provides sufficient pin access for multiple display and communication functions, subject to the exact pin mapping. Automotive qualification and environmental requirements must be checked separately because they are not provided in the verified data.
Recommended
Industrial Metering Panel
The MC9S08LG32CLK can provide the local control and display function for an industrial metering panel. Segment-LCD drive reduces the need for a separate display controller, while the 8-bit CPU and 32KB flash can store measurement flow, calibration handling, alarm logic, and communication routines. The 3.3V/5V operating support can assist with mixed-voltage interface planning, although the system designer must verify every input and output against the datasheet. The 80-LQFP footprint also requires careful high-current and signal-ground layout around the display and sensing circuitry.
Recommended
Low-Cost Segment-LCD Controller
The MC9S08LG32CLK is a low-cost segment-LCD controller for products that need a dedicated human interface without a high-performance processor. Its 8-bit HCS08 core, 32KB program memory, up to 40MHz operation, and integrated LCD resources support display scanning plus application logic in one package. The 80-LQFP device is particularly useful when the product needs many I/O connections or a stable, pin-defined industrial package. Engineers should verify LCD segment allocation, multiplex ratio, bias, and oscillator settings in the official datasheet before releasing the PCB.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08LG32CLK — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S08LG32J0CLK |
|---|---|---|
| Brand | NXP Semiconductors | Freescale Semiconductor |
Key Differentiators
- Integrated segment-LCD control (vs S9S08LG32J0CLK)
- 80-LQFP integration level (vs S9S08LG32J0CLK)
- Embedded 8-bit HCS08 control with LCD drive (vs MC9S08AW32CFUE)
Design Notes
Confirm the MCU supply limits, LCD bias requirements, and external analog or sensor loads in the NXP datasheet before power-up. The verified product data confirms 3.3V/5V operation, but it does not provide the complete absolute-maximum or timing table. Use local decoupling close to the supply pins and ensure the LCD bias network does not exceed the device’s specified limits.
The MC9S08LG32CLK is an 80-LQFP device in a 14 x 14 mm package, so its high pin count requires careful footprint verification. Match the package drawing, pin-1 orientation, pad dimensions, and exposed or thermal features exactly. Route LCD lines away from noisy switching nodes and provide a clear ground-return path beneath the device where the supported layout permits.
Do not assume that another MC9S08LG-family ordering code is a drop-in replacement. The verified data confirms the family relationship for S9S08LG32J0CLK but does not establish identical pin functions, voltage behavior, LCD mapping, temperature grade, or package details. Before substitution, compare the complete NXP datasheet pinout, memory organization, timing, and ordering information.
Plan the LCD and control interfaces according to the actual pin multiplexing and segment allocation. Because the family supports as many as 296 segments, a fixed PCB may depend on the package pinout and selected alternate functions. Validate every display connection, switch input, programming signal, and debug signal against the final datasheet revision rather than relying on generic MC9S08 naming.
Compliance Information
The verified web data identifies automotive application suitability but does not provide formal RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations.
