MCL908LJ12CPBE - 8-Bit 8MHz MCU with 12KB Flash | NXP
MPN: MCL908LJ12CPBE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCL908LJ12CPBE Overview
A microcontroller is a semiconductor that integrates a CPU core, memory, and peripherals into one device dedicated to embedded control. The HC08 architecture belongs to the broader embedded-processor and microcontroller hierarchy. Compared with a general-purpose processor, this device is optimized for low-cost, low-power control logic rather than desktop computing, high-bandwidth storage, or complex operating systems.
The verified product data identifies the core features as an 8-bit architecture, an 8 MHz operating frequency, and 12 KB of Flash organized as 12K x 8. The MCL908LJ12CPBE designation also identifies a low-voltage MCU-EPP configuration and a 64-LQFP package measuring 10 x 10 mm. Exact supply voltage, RAM, peripheral, timer, GPIO, and temperature limits were not provided in the verified dataset and therefore should be confirmed against the manufacturer datasheet before design release.
The 8 MHz clock and 8-bit instruction set suit motor-control adjunct logic, panel interfaces, simple sequencers, and factory automation modules where deterministic peripheral-driven behavior is more important than high compute throughput. Its integrated 12 KB Flash also reduces external program-memory requirements on compact boards. The available data does not establish operating-system support, debug interfaces, memory-protection features, or the complete set of communication peripherals.
Typical engineering use includes small embedded controllers, sensor-conditioning interfaces, actuator logic, keyboard and display control, and supervisory functions within larger industrial or consumer equipment. The 64-LQFP footprint provides more external connections than a small leadless package, but its 0.5 mm pitch requires careful PCB design, fine-pitch assembly capability, and land-pattern verification.
Design decisions should be based on the authoritative device documentation rather than distributor summaries. Confirm the exact clock tree, memory map, electrical limits, reset behavior, peripheral assignments, programming method, and package drawing. Do not infer equivalent pin compatibility from an HC08 family name or the shared 64-LQFP footprint; verify every signal, voltage domain, and exposed-pin function before substitution.
This product record consolidates verified distributor specifications, sourcing information, package details, and engineering cautions not presented as a single block elsewhere. It also separates confirmed values from missing technical data, allowing engineers to evaluate the MCL908LJ12CPBE without relying on unsupported memory, timing, or compatibility claims.
Drop-in alternatives for MCL908LJ12CPBE — 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 MCL908LJ12CPBE (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesMCL908LJ12CPBE Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit microcontroller |
| Architecture | HC08 |
| Series | MCL908LJ12 |
| Operating Frequency | 8 MHz |
| Flash Memory | 12 KB (12K x 8) |
| Data Bus Width | 8 bit |
| Voltage Class | Low-voltage MCU-EPP |
| Package | 64-LQFP (10 x 10 mm) |
| Pin Count | 64 pins |
| Mounting Type | Surface mount |
MCL908LJ12CPBE 64-lqfp (10 x 10 mm) Pin Configuration Guide
Pin configuration for MCL908LJ12CPBE (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 MCL908LJ12CPBE.
Refer to the datasheet for full pin configuration.
Typical Applications
MCL908LJ12CPBE is suitable for 6 applications: Industrial Sensor Interface, Small Motor Sequencer, Human-Interface Control Panel, Battery-Powered Monitoring Node, Programmable Logic Controller, Consumer Appliance Controller.
Industrial Sensor Interface
The MCL908LJ12CPBE can serve as the supervisory controller in a compact sensor interface when the required functions fit its confirmed 8-bit HC08 architecture and 12 KB program memory. Its 8 MHz operating point supports ordinary polling, state-machine, and peripheral-control tasks without requiring a high-performance processor. The 64-LQFP package also provides a larger perimeter-I/O interface than a small leadless package. Before committing, engineers must verify ADC availability, I/O count, communication peripherals, RAM, and electrical limits in the authoritative datasheet, because those specifications are not present in the supplied distributor snippets.
Recommended
Small Motor Sequencer
The MCL908LJ12CPBE is potentially useful as a low-complexity sequencing controller for a stepper, relay, or small actuator subsystem where the firmware primarily coordinates discrete I/O and timing. The verified 8 MHz operating frequency is more than adequate for many state-machine-based control tasks, while 12 KB of Flash constrains the application code to a compact firmware image. Because motor-control suitability depends on timer channels, pulse-width modulation, pin multiplexing, and timing accuracy, none of those capabilities may be assumed until they are verified from the official device documentation.
Recommended
Human-Interface Control Panel
The device can evaluate keypad scanning, indicator control, display sequencing, and debounce logic in a compact human-interface panel if its confirmed 12 KB Flash budget is sufficient. The 8-bit processing model and 8 MHz clock are appropriate for deterministic peripheral-driven routines, while the 64-LQFP footprint offers more physical signal access than a small QFN package. Firmware developers should verify the exact number and multiplexed functions of I/O pins, available timers, serial interface requirements, and package drawing before assigning display or touch-control functions.
Recommended
Battery-Powered Monitoring Node
The MCL908LJ12CPBE may fit a low-duty-cycle monitoring node that wakes periodically, reads sensors, updates local state, and returns to a low-power condition. Its 8 MHz clock provides headroom for basic filtering and protocol routines, but battery-life design cannot be quantified from the supplied data because sleep currents, active current, clock startup time, and supply limits are absent. Engineers must consult the datasheet and measure the complete firmware duty cycle rather than assuming that the processor frequency alone determines power consumption.
Recommended
Programmable Logic Controller
The MCL908LJ12CPBE is a candidate for a small programmable logic controller or machine-support module that combines digital inputs, outputs, timing, and communication-related state logic. Its 8-bit HC08 format and 12 KB Flash capacity favor compact embedded firmware rather than a desktop-class control platform. Actual PLC suitability depends on verified interrupt latency, digital-I/O levels, communication peripherals, watchdog behavior, isolation requirements, and environmental ratings. Those parameters are not included in the verified web data and should remain design gates.
Recommended
Consumer Appliance Controller
The MCL908LJ12CPBE can form the central logic portion of a compact appliance controller when the product requires an 8-bit processor, local Flash storage, and modest real-time control. Likely tasks include button-state processing, relay or motor sequencing, sensor interpretation, and fault latching. The 12 KB Flash limit favors a structured, compact codebase, while the 64-LQFP footprint aids access to external signals but increases assembly complexity. Firmware and hardware teams should first verify RAM, watchdog, ADC, communication interfaces, supply voltage, and safety-related behavior from the manufacturer documentation.
Recommended
Recommended Products Summary
Engineering reference data for MCL908LJ12CPBE — comparison, design guidance, and compliance information.
Selection Guide
Key Differentiators
- Confirmed compact embedded-control configuration (vs Unqualified HC08 site-list candidates)
- Exact 10 x 10 mm package designation (vs Generic HC08-family alternatives)
- Multiple verified sourcing pages (vs Single-source legacy listing)
Design Notes
Do not treat a matching HC08 family name or a common 64-LQFP footprint as proof of replacement compatibility. The supplied records confirm the target's 8-bit architecture, 8 MHz frequency, 12 KB Flash, and package size, but they do not provide a pinout or cross-reference qualification. Require an official side-by-side comparison of power, ground, reset, clock, programming, I/O multiplexing, timers, memory, and package dimensions before calling any candidate drop-in compatible.
The 64-LQFP footprint requires fine-pitch layout discipline. Confirm the official land pattern, pin-one orientation, solder-mask clearance, courtyard, and paste-volume recommendations against the package drawing. Keep sensitive clock and programming routes short, provide clean return paths, and verify that assembly capability supports the lead pitch and package size. The distributor snippet alone is not adequate for fabrication artwork.
Validate the complete power tree before connecting external modules. The verified data calls the part a low-voltage MCU-EPP but does not state its numeric input range, I/O-domain limits, active current, or sleep current. Review recommended operating conditions and absolute maximum ratings in the authoritative datasheet, then design regulator headroom, local decoupling, and power sequencing around those documented values rather than around the 8 MHz clock rating.
Budget timing from the verified 8 MHz operating point only after confirming the actual clock source and configuration. Trace external buses and signals according to the peripheral's documented rise-time, capacitance, and timing limits. Because the verified snippets do not expose GPIO drive strength, input thresholds, peripheral multiplexing, or external bus timing, use the manufacturer pinout and timing specification to assign pins and endpoints.
Compliance Information
The supplied distributor records do not provide compliance declarations for the exact MCL908LJ12CPBE ordering code. Obtain current material declarations from the responsible manufacturer or an authorized distributor.
