MC9S12XEP100MAG - 16-Bit 50MHz MCU, 1MB Flash | NXP
MPN: MC9S12XEP100MAG ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $54.2426 | $54.24 |
| 10 | $54.2426 | $542.43 |
| 100 | $54.2426 | $5,424.26 |
| 500 | $54.2426 | $27,121.30 |
| 1,000 | $54.2426 | $54,242.60 |
MC9S12XEP100MAG Overview
The HCS12X family is a 16-bit microcontroller architecture built around an enhanced HCS12X CPU with CISC-style instruction execution. Its 50 MHz operating capability provides deterministic control performance for automotive body systems, industrial equipment, and embedded control platforms. The 144-LQFP package exposes extensive port resources while retaining a surface-mount form factor for automated assembly.
Key features include 1000 kB of internal flash for firmware storage, 64 kB internal RAM for working memory, and 4 kB EEPROM for nonvolatile configuration or calibration data. The integrated 24-channel 12-bit A/D converter supports analog sensor acquisition, while 119 general-purpose I/O pins provide flexible digital connectivity. The reference-manual search result identifies the EBI external bus interface, memory-protection interrupts, and external non-maskable interrupt capability.
The MC9S12XEP100MAG belongs to the S12XE family, which combines 32-bit-class performance characteristics with the efficiency advantages of a 16-bit MCU. Its high level of compatibility with earlier S12 and S12X families supports migration and reuse of software and driver approaches. The device is particularly relevant where automotive-grade functional requirements, substantial I/O, and local processing are needed without a high-end 32-bit MCU.
Typical applications include automotive body controllers, multiplexing modules, gateway interfaces, sensor aggregation units, industrial automation controllers, and general embedded systems. The 50 MHz CPU and large memory configuration allow protocol handling, control loops, diagnostics, and communication tasks to coexist within one device. The LQFP-144 footprint also provides generous pin access for external bus, communication, analog, and digital peripherals.
Designers should verify supply voltage, pin multiplexing, peripheral allocation, memory-map details, and external bus requirements against the manufacturer datasheet and reference manual. PCB layouts should preserve adequate power decoupling and signal integrity around the high-pin-count LQFP package. Software designs should account for the S12X memory map, interrupt behavior, and the interaction between port multiplexing and ADC functions.
Drop-in alternatives for MC9S12XEP100MAG — 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 MC9S12XEP100MAG (same form factor and footprint) — differing in Operating Temperature, Core Processor, Package, ADC, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12XEP100CAG
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View Datasheet →S912XEP100J5MAG
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MC9S12XEP100
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MC9S12XS128MAL
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MC9S12A128BCPV
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View Datasheet →MC9S12B128VPVER
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MC9S12XEP100MAG Maximum Ratings & Electrical Characteristics
| Core | Enhanced HCS12X, 16-bit, CISC architecture |
| Maximum CPU Frequency | 50 MHz |
| Internal Flash | 1000 kB |
| Internal RAM | 64 kB |
| EEPROM | 4 kB |
| A/D Converter | 24-channel, 12-bit |
| General-Purpose I/O | 119 pins |
| Package | 144-LQFP, 20 x 20 mm |
| Mounting Type | Surface Mount |
| External Bus Interface | Available in 208-pin and 144-pin packages |
| External Interrupt | XIRQ external non-maskable high-priority interrupt |
| Memory Protection Unit Interrupt | Internal non-maskable high-priority interrupt |
| Configurable Interrupt Ports | Ports J, H and P, up to 24 pins |
| Product Lifecycle Status | Active |
| Manufacturer | NXP Semiconductors |
| Device Type | 16-bit Microcontroller |
| Flash Organization | 1M x 8 |
| Product Family | HCS12X / S12XE |
| Supplier Package Designation | 144-LQFP (20x20) |
MC9S12XEP100MAG 144-lqfp (20x20) Pin Configuration Guide
Pin configuration for MC9S12XEP100MAG (144-lqfp (20x20) 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 MC9S12XEP100MAG.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S12XEP100MAG is suitable for 6 applications: Automotive Body Controller, Automotive Multiplexing Module, Industrial Automation Controller, Sensor Aggregation Unit, Embedded Gateway Interface, General Embedded Control Platform.
Automotive Body Controller
The MC9S12XEP100MAG fits automotive body-controller and multiplexing systems where a 50 MHz HCS12X core must coordinate many digital and analog functions. Its 1 MB flash supports substantial firmware, 64 kB RAM supports protocol buffers and control state, and 119 I/O pins provide broad connectivity. The 24-channel 12-bit ADC can acquire sensor signals, while EBI support on 144-pin packages can connect external devices. The 144-LQFP package is suitable for automated assembly, although final qualification and pin multiplexing must follow the NXP documentation.
Recommended
Automotive Multiplexing Module
For automotive multiplexing, the MC9S12XEP100MAG provides the processing headroom and pin density needed to aggregate distributed body signals. The 50 MHz enhanced HCS12X core can service communication protocols and control tasks, while the 119 I/O pins reduce the need for external switch fabrics. Its 24-channel 12-bit ADC supports mixed-signal input, and the EBI feature is available in the 144-pin package according to the reference-manual search result. Verify timing margins and external-bus configuration in the manufacturer documentation.
Recommended
Industrial Automation Controller
The MC9S12XEP100MAG can serve as a high-I/O industrial controller when legacy 16-bit control, deterministic timing, and S12X software compatibility are valuable. Its 1 MB flash accommodates control algorithms, diagnostics, and communication stacks, while 64 kB RAM and 4 kB EEPROM support working state and persistent calibration. The 24-channel 12-bit ADC provides sensor acquisition, and the 144-LQFP footprint exposes ample I/O for fieldbus, actuator, and digital modules. Designers should verify voltage limits, peripheral availability, and industrial temperature requirements.
Recommended
Sensor Aggregation Unit
The MC9S12XEP100MAG is well matched to sensor aggregation because it combines a 24-channel 12-bit ADC with 119 general-purpose I/O pins and a 50 MHz CPU. A single device can acquire multiple analog channels, perform filtering and diagnostics, and forward results through communication peripherals. Its 1 MB flash and 64 kB RAM allow local buffering and protocol handling, reducing dependence on an external processor. ADC-capable pins may have alternate port functions, so the GPIO and analog multiplexing must be configured explicitly in software and validated in the hardware design.
Recommended
Embedded Gateway Interface
The MC9S12XEP100MAG can serve as an embedded gateway controller where several communications and I/O resources must be coordinated in one package. The enhanced HCS12X core operates at 50 MHz, while the large 1 MB flash footprint supports protocol stacks and gateway logic. Its 144-LQFP package provides 119 I/O pins, and the EBI feature available in 144-pin devices can assist with external peripheral access. For production designs, validate signal integrity, bus timing, interrupt priorities, and power budgeting with the official S12XE documentation.
Recommended
General Embedded Control Platform
For general embedded control, the MC9S12XEP100MAG combines a 50 MHz 16-bit core with extensive memory and I/O in a single 144-LQFP device. It is useful for legacy-compatible control platforms, instrumentation, actuator management, and systems that need more processing and connectivity than a small low-end MCU. The 24-channel 12-bit ADC supports analog channels, while the 4 kB EEPROM provides nonvolatile parameter storage. Software engineers should take advantage of S12X compatibility and confirm interrupt, timer, memory-protection, and peripheral-sharing details from the reference manual.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12XEP100MAG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12XEP100CAG | S912XEP100J5MAG | MC9S12XEP100 | MC9S12XS128MAL |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - verification required | 144-LQFP (20x20) - comparison candidate | 144-LQFP (20x20) - family/order-code verification required | 144-LQFP (20x20) - comparison candidate |
Key Differentiators
- High-performance 16-bit control with substantial memory (vs MC9S12XS128MAL)
- High analog and digital integration (vs MC9S12A128BCPV)
- Package-level integration for complex embedded systems (vs MC9S12B128VPVER)
Design Notes
The 144-LQFP package requires careful land-pattern and fanout design because its 119 I/O pins provide access to analog, communication, interrupt, and external-bus functions. Confirm the exact pin assignments and exposed power/ground requirements from the official NXP package drawing before routing. Place decoupling capacitors close to the device power pins and preserve continuous return paths for high-current and high-speed signals.
Do not infer supply limits from generic S12-family documentation. Verify the MC9S12XEP100MAG operating-voltage range, power-pin identification, startup requirements, and power-consumption limits in the manufacturer data sheet. Because ADC and digital I/O functions can share pins, validate every analog input and digital signal against the multiplexing configuration before finalizing the power architecture.
A common S12X integration error is assuming that a port pin is automatically available as an ADC input. The NXP community search result specifically raised the need to enable the alternate function of an AD pin. Configure the relevant port registers and verify the pin-mux table, interrupt assignment, and analog configuration in both hardware and firmware.
For designs using the EBI feature, route external-bus signals with controlled impedance, short return paths, and deliberate placement of termination and protection components. The external bus is available in the 144-pin package according to the NXP reference-manual search result, but timing, arbitration, and electrical limits must be confirmed for the exact operating frequency and peripheral load.
Do not treat a related S12-family MPN as a drop-in replacement solely because it has a similar family name. Verify package dimensions, pin names, alternate functions, memory sizes, voltage limits, temperature grade, and software device identity. The supplied cross-reference results contain related comparison candidates but do not establish complete pin-to-pin equivalence for every listed alternative.
Compliance Information
The supplied search evidence does not include a complete current RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration for MC9S12XEP100MAG. Verify current compliance documents with NXP or the authorized distributor.
