MC9S08RE16FGE - 8-Bit 8MHz 16KB Flash MCU | NXP
MPN: MC9S08RE16FGE ✗ 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 |
MC9S08RE16FGE Overview
What is an 8-bit microcontroller? An 8-bit microcontroller is a semiconductor device containing a processor core, memory, and peripherals on one integrated circuit. The HCS08 MC9S08RE16FGE belongs to the broader microcontroller hierarchy, where its S08 core executes firmware and controls external hardware. Its 8-bit architecture is suited to embedded control rather than high-throughput computing, while its integrated peripherals reduce the number of external components required in a control board.
Key verified specifications include an 8 MHz maximum operating frequency, 16 KB of Flash program memory, 8-bit processing, SCI connectivity, PWM, watchdog timer, low-voltage detection, power-on reset, and 39 I/O pins according to the product listing snippet. The supplied sources also identify the package as 44-LQFP, 10 x 10 mm. Detailed electrical limits, RAM specifications beyond the available 1K x 8 listing, and operating temperature data must be confirmed against the manufacturer datasheet before design release.
The MC9S08RE16FGE can be used for industrial control modules, motor-control peripherals, instrumentation interfaces, appliance controllers, and compact embedded systems. Its SCI interface supports serial communication with sensors, hosts, or programming equipment, while PWM and general-purpose I/O support timing and actuator-control functions. The 44-LQFP package provides a practical footprint for through-hole-compatible assembly and automated manufacturing, but careful PCB layout is still required for power, ground, decoupling, and signal integrity.
The obsolete lifecycle status means engineers should verify availability before starting a new production design. Existing equipment may still use this MCU, but future redesigns should compare current S08 alternatives, confirm firmware compatibility, and validate electrical and timing requirements rather than assuming that a different package or memory organization is interchangeable.
This page consolidates verified distributor data, application guidance, packaging information, and engineering considerations for MC9S08RE16FGE. It does not invent missing electrical limits, pin names, pricing, or cross-references; unavailable details are explicitly marked for engineering verification.
Drop-in alternatives for MC9S08RE16FGE — 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 MC9S08RE16FGE (same form factor and footprint) — differing in Core, Package, Debug Interface, RAM, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08RE16CFDER
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View Datasheet →MC9S08RG32FGE
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View Datasheet →MC9S08AW32CFUE
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View Datasheet →MC9S08AW48CFGER
✅ Drop-In✓ In Stock
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View Datasheet →MC9S08AW60CFUE
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View Datasheet →MC9S08RE16FGE Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit HCS08 microcontroller |
| Core | S08 |
| Maximum Operating Frequency | 8 MHz |
| Flash Program Memory | 16 KB (16K x 8) |
| RAM | 1K x 8 |
| Number of I/O | 39 |
| Connectivity | SCI |
| Peripherals | LVD, POR, PWM, WDT |
| Package | 44-LQFP |
| Package Dimensions | 10 x 10 mm |
| Processor Architecture | 8-bit |
| Program Memory Type | Flash |
| Watchdog Timer | WDT |
| Low Voltage Detection | LVD |
| Power-On Reset | POR |
MC9S08RE16FGE 10 x 10 mm Pin Configuration Guide
Pin configuration for MC9S08RE16FGE (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 MC9S08RE16FGE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08RE16FGE is suitable for 6 applications: Industrial Control Module, Motor and Actuator Control, Serial Sensor Interface, Appliance Controller, Instrumentation and Test Equipment, Communication Gateway.
Industrial Control Module
The MC9S08RE16FGE is suited to compact supervisory controllers because its verified 8 MHz S08 core, 39 I/O pins, SCI connectivity, PWM, watchdog, LVD, and POR support basic control-loop coordination. It can monitor discrete inputs, drive relay or transistor interface stages, and exchange status with a higher-level controller through SCI. The 16 KB Flash budget can hold application firmware, while the 44-LQFP package supports conventional PCB assembly. Designers should reserve memory for diagnostics and verify industrial temperature, EMC, and supply requirements, which are not provided in the supplied snippets.
Recommended
Motor and Actuator Control
The MC9S08RE16FGE can be used for basic motor, valve, or actuator-control subsystems where PWM timing and digital I/O are sufficient. Its verified PWM peripheral allows the firmware to command timing signals to an external driver, while the 39 I/O pins can handle limit switches, position inputs, and status indicators. The device is not a high-power motor controller by itself; MOSFETs, gate drivers, current sensing, flyback protection, and thermal management remain external. Verify pulse-width limits, timer behavior, and electrical isolation before connecting to a production motor stage.
Recommended
Serial Sensor Interface
The verified SCI connectivity makes MC9S08RE16FGE appropriate for a small embedded data-acquisition node that polls sensors or reports measurements to a host. The MCU can supervise sensor enable lines, read digital outputs, process basic thresholds, and transmit results over SCI. Its 16 KB Flash capacity is suitable for firmware that prioritizes compact control logic, while the 1K x 8 RAM listing indicates a modest working-memory budget that should be checked against the selected sensor protocol and buffering strategy. External level translation may be required when sensor and MCU logic levels differ.
Recommended
Appliance Controller
MC9S08RE16FGE can serve as the central controller in a compact appliance or equipment module where the system requires reliable sequencing, local I/O, and serial diagnostics. The verified POR and watchdog functions support safe startup and recovery, while PWM can control heaters, valves, fans, or indicator drives through external circuitry. The 44-LQFP package is practical for mixed-technology boards, although pin multiplexing and exposed-pad requirements must be checked in the datasheet. Firmware should include state validation and fault handling because the MCU itself does not provide the power-stage protection.
Recommended
Instrumentation and Test Equipment
The MC9S08RE16FGE can be used in compact instrumentation front ends when the instrument needs deterministic control, SCI communication, and multiple digital signals. Its verified 8 MHz S08 core can coordinate measurement sequencing, front-panel status, calibration storage, and host communications, subject to the available 16 KB Flash and 1K x 8 RAM. LVD and POR support safer startup behavior, while WDT can restart a firmware loop after a fault. For precision analog measurement, use external amplifiers, converters, and isolation as required; the supplied MCU snippets do not specify analog performance.
Recommended
Communication Gateway
MC9S08RE16FGE is suitable for a small protocol gateway or embedded communication node where SCI connects an external transceiver and local I/O handles configuration or monitoring. The verified 8-bit architecture and 16 KB Flash provide a straightforward platform for lightweight protocol conversion, status reporting, and firmware-based command handling. The part is not intended as a high-throughput network processor, so designers should define bandwidth, latency, buffer, and memory requirements before selecting it. Because lifecycle status is obsolete, gateway designs should include a documented sourcing and redesign plan.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08RE16FGE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08RE16CFDE | MC9S08RG32FGE | MC9S08AW32CFUE | MC9S08AW48CFGER | MC9S08AW60CFUE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | S08 | S08 | 8-bit HCS08 | 8-bit MCU | 8-bit MCU | 8-bit MCU |
Key Differentiators
- Known S08 control platform with 8 MHz processing (vs MC9S08RG32FGE)
- Specific 16 KB Flash configuration (vs MC9S08AW32CFUE)
- Verified integrated control peripherals (vs MC9S08AW48CFGER)
Design Notes
Do not treat every 44-LQFP S08 MCU as a drop-in substitute. The supplied comparison sources identify MC9S08RE16CFDE and MC9S08RG32FGE as related candidates, but they do not provide a complete pinout, electrical-limit, memory-map, or firmware-compatibility matrix. Before replacing MC9S08RE16FGE, compare all 44 pins, supply voltage, clock setup, reset behavior, peripheral registers, memory size, package suffix, and programming requirements. Also verify that the replacement remains purchasable in the required production quantity.
Place the MCU power pins and decoupling capacitors close to their corresponding package pins, with a ground plane that provides a low-impedance return path. Because the supplied snippets do not identify the complete pin names or pinout, use the manufacturer package drawing rather than inferring connections from the 44-pin count. Check the required crystal, reset, programming, SCI, and exposed-pad connections against the exact datasheet revision before releasing the PCB footprint.
Validate power sequencing, voltage levels, and reset behavior before attaching external actuators or communications hardware. The verified data confirms SCI, PWM, watchdog, LVD, and POR, but it does not provide the operating supply range or absolute maximum ratings. Use the manufacturer datasheet to define operating voltage, current budget, decoupling, and brownout behavior, then include protection for motors, relays, and external transceivers rather than assuming the MCU can absorb their switching energy.
Compliance Information
The supplied search results do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for MC9S08RE16FGE.
