MCHC908JR32PBE - 8-Bit 32KB MCU 64-LQFP | NXP
MPN: MCHC908JR32PBE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.7976 | $9.80 |
| 10 | $9.7976 | $97.98 |
| 100 | $9.7976 | $979.76 |
| 500 | $9.7976 | $4,898.80 |
| 1,000 | $9.7976 | $9,797.60 |
MCHC908JR32PBE Overview
A microcontroller is a programmable integrated circuit that combines a processor core, memory, and peripheral functions into one device. In the product hierarchy, MCHC908JR32PBE is an MCU, an embedded microcontroller, and an 8-bit microcontroller within the broader semiconductor and embedded-control categories. The HC08 architecture uses an 8-bit CISC execution model, making it suitable for control logic, state machines, sensing interfaces, and industrial equipment where higher processing width is not essential.
The principal verified features are 8-bit processing, 32KB (32K x 8) flash program memory, and a 64-LQFP package measuring 10 mm x 10 mm. External oscillation is explicitly listed in the retrieved specification data. Flash memory supports field programming and firmware retention, although endurance, write timing, and programming voltage were not supplied. The 64-lead surface-mount package provides a defined set of power, ground, clock, reset, and I/O connections, but the complete pin map cannot be reproduced safely without the manufacturer pin table.
Typical applications include industrial controllers, embedded instrumentation, motor and relay control, appliance control panels, and small sensor-interface systems. Firmware can implement debouncing, timing, state management, communications protocols, and actuator sequencing. Designers should confirm the exact electrical limits, peripheral resources, clock configuration, and software compatibility before release, because those details are not present in the verified source snippets.
The key design consideration is to validate the device against the complete manufacturer datasheet before schematic or PCB sign-off. In particular, verify the external clock source, power rails, reset requirements, programming method, and all 64 package pins. Do not infer missing RAM capacity, I/O count, operating temperature, voltage range, or timing values from the distributor category text.
This product page consolidates the verified distributor specifications, sourcing links, package information, and procurement considerations into an engineering-oriented record. It also identifies where additional manufacturer documentation is required before treating the MCHC908JR32PBE as a production-qualified drop-in component.
Drop-in alternatives for MCHC908JR32PBE — 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 MCHC908JR32PBE (same form factor and footprint) — differing in Package, ADC, RAM, Core, Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
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View Datasheet →MCHC908JR32PBE Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit microcontroller |
| Architecture | HC08 CISC |
| Program Memory Size | 32KB (32K x 8) flash |
| Package | 64-LQFP (10 x 10 mm) |
| Oscillator Type | External oscillator |
| CPU Bit Width | 8 bit |
| Flash Type | Flash program memory |
| Pin Count | 64 pins |
| Mounting Type | Surface mount |
MCHC908JR32PBE 64-lqfp (10 x 10 mm) Pin Configuration Guide
Pin configuration for MCHC908JR32PBE (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 MCHC908JR32PBE.
Refer to the datasheet for full pin configuration.
Typical Applications
MCHC908JR32PBE is suitable for 6 applications: Industrial embedded controller, Appliance control panel, Sensor interface and condition monitoring, Motor and relay sequencing, Small instrumentation product, External-clock embedded system.
Industrial embedded controller
The MCHC908JR32PBE fits industrial embedded control when firmware needs an 8-bit MCU with 32KB of flash and external clocking. It can execute state-machine logic, debounce digital inputs, manage relay or actuator sequencing, and supervise sensor channels in a compact embedded platform. The verified 64-LQFP package supports a high-pin-count footprint, while the external oscillator gives the designer flexibility over the clock source. Before release, confirm operating voltage, RAM, I/O ratings, timing, and watchdog behavior from the manufacturer datasheet. The absence of those electrical details means suitability must be proven against the actual industrial control requirements rather than inferred from the family name.
Recommended
Appliance control panel
For appliance control, the MCHC908JR32PBE can serve as the central firmware controller for user inputs, display sequencing, sensor monitoring, and actuator commands. Its verified 8-bit HC08 CISC architecture and 32KB (32K x 8) flash memory provide enough program storage for structured embedded logic, while the external oscillator permits a defined timing reference. The 64-LQFP package is useful when a design requires many signal connections. Validate the exact I/O map, voltage levels, reset behavior, and display interface before schematic release. If the application requires extensive RAM or high-speed peripherals, compare those needs against the missing target-specific specifications first.
Recommended
Sensor interface and condition monitoring
The MCHC908JR32PBE can coordinate low- to moderate-speed sensor acquisition, threshold evaluation, and alarm generation when the firmware architecture is based on an 8-bit HC08 controller. The verified 32KB flash capacity supports program storage for acquisition routines, calibration tables, and communication state machines, and the 64-pin package can expose multiple digital and serial connections. Use the external oscillator when deterministic timing is required. The verified source does not specify ADC, timer, communications, RAM, or I/O characteristics, so analog front-end choice and sensor timing must be checked against the exact datasheet rather than assumed. This makes the MCU best suited to designs where the complete peripheral map is confirmed during component selection.
Recommended
Motor and relay sequencing
The MCHC908JR32PBE is suitable for basic sequencing and safety-oriented control firmware that coordinates relays, solenoids, or small motor-control interfaces. Its 8-bit HC08 CISC core can manage ordered transitions, interlocks, timeouts, and fault flags, while 32KB flash provides storage for application code. The external oscillator and 64-LQFP package offer a defined timing and connection basis for a control board. However, verified data does not identify PWM outputs, timer channels, drive-current limits, or isolation requirements. Engineers must therefore treat the MCU as the logic controller only and verify the driver stage, protection network, voltage limits, and timing margins in the complete system design.
Recommended
Small instrumentation product
The MCHC908JR32PBE can serve as the embedded control core of a compact instrument where the user interface, measurement sequencing, and configuration storage must fit into one MCU package. The verified 8-bit architecture and 32KB flash provide a straightforward base for menu logic, calibration handling, status reporting, and event logging. The external oscillator supports a defined time base, and the 64-LQFP package provides ample physical connection options compared with a smaller lead-count device. The verified records do not confirm display interfaces, analog conversion, communication ports, or RAM, so those functions must be checked before assigning pins. Final selection depends on matching the complete peripheral set and electrical envelope to the instrument specification.
Recommended
External-clock embedded system
The MCHC908JR32PBE is explicitly listed as using an external oscillator, making it appropriate for systems that derive timing from a shared clock source or require controlled timing relationships between modules. The MCU can divide the external signal, coordinate firmware events, and manage communication or control tasks when its verified timing limits are satisfied. The 8-bit HC08 CISC core and 32KB flash make it practical for small embedded control products that do not need high processing throughput. Designers must verify oscillator frequency range, startup behavior, input capacitance, supply voltage, and clock stability in the exact datasheet. The retrieved data does not provide those values, so the external-clock network should not be finalized from the distributor snippets alone.
Recommended
Recommended Products Summary
Engineering reference data for MCHC908JR32PBE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCHC908QT4VDWER | MC908AP64CFAER528 | MC68HC908GP32CB | MC908AZ32AVFUE | MC9S08SH4CTJ |
|---|---|---|---|---|---|---|
| Architecture | HC08 CISC, 8-bit | HC08-family controller; details not verified | 8-bit MCU; details not verified | HC08-class controller; details not verified | 8-bit MCU; details not verified | S08 8-bit MCU; details not verified |
| Package | 64-LQFP (10 x 10 mm) | TQFP-64 | TQFP-64 | TQFP-64 | TQFP-64 | TQFP-64 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- Verified HC08 CISC identity (vs MC9S08SH4CTJ)
- Known flash configuration (vs MC908AZ32AVFUE)
- External oscillator requirement (vs MC68HC908GP32CB)
- Procurement visibility (vs MCHC908QT4VDWER)
Design Notes
Do not treat the distributor description as a substitute for the manufacturer datasheet. The verified source establishes an 8-bit HC08 CISC device with 32KB flash, external oscillation, and a 64-LQFP package, but it does not establish pin assignments, supply limits, RAM, I/O ratings, or timing. Before schematic or firmware release, retrieve the exact MCHC908JR32PBE datasheet and check reset, clock, programming, power, and exposed-connection requirements. This prevents a mechanically similar part from being installed on a board that requires different functions.
The verified package is 64-LQFP measuring 10 mm x 10 mm, but lead pitch and pin numbering are not supplied. Use the manufacturer package drawing and symbol rather than selecting a generic 64-pin footprint from memory. Confirm pad dimensions, pin-1 orientation, courtyard clearance, and solder-paste mask geometry. Because the package has many leads and the verified I/O map is unavailable, complete mechanical and electrical review before committing the PCB footprint.
The device is listed as using an external oscillator, but no operating-voltage range or clock limits are included in the verified results. Verify the exact supply rail, decoupling requirements, oscillator amplitude, startup time, and power-consumption limits in the manufacturer datasheet. Do not select capacitors or bias resistors until the clock and power specifications are known. The MCU should be powered only through a network that meets the documented voltage, sequencing, and transient limits.
Compliance Information
The supplied verified data does not include RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements.
