MC9S12XEP100CAL - S12X 16-bit MCU 1MB Flash 50MHz LQFP-112
MPN: MC9S12XEP100CAL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $26.5 | $26.50 |
| 10 | $23.85 | $238.50 |
| 100 | $20.15 | $2,015.00 |
| 500 | $17.4 | $8,700.00 |
| 1,000 | $15.8 | $15,800.00 |
MC9S12XEP100CAL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals onto one silicon die. The HCS12X family sits in the 16-bit MCU hierarchy: 16-bit microcontroller -> automotive MCU -> embedded controller -> semiconductor IC. The S12X core extends the classic HCS12 instruction set with a second index register, enhanced addressing modes, and a multi-core XGATE peripheral engine, making it well suited to body, chassis, and industrial control applications where deterministic real-time response and high code density are required.
Key features of the MC9S12XEP100CAL include a hardware Memory Protection Unit with supervisor/user modes for software integrity, an Enhanced Capture Timer (ECT), a Periodic Interrupt Timer (PIT), a Real-Time Interrupt (RTI), and a 16-channel 12-bit ADC with 3 microsecond conversion time. Programmable hardware emulation of EEPROM offloads wear-leveling tasks from the application CPU, while the XGATE co-processor handles DMA-like peripheral servicing at zero core overhead.
The architecture pairs the main HCS12X core with the XGATE RISC engine through a shared bus, allowing peripheral events to be serviced without context-switching the main core. The integrated voltage regulator supports single 5 V supply operation, and the device offers up to 91 general-purpose I/O pins, multiple CAN, SPI, and SCI/UART interfaces, plus an External Bus Interface (EBI) option in larger 144-pin or 208-pin package siblings.
Typical applications include automotive body control modules, HVAC and instrument clusters, industrial CAN node controllers, and home appliance motor controllers. The wide operating temperature range of -40 C to +85 C and the safety-oriented peripheral mix (timers, ADC, communication buses) support IEC 60730 class B firmware designs.
When designing with this device, ensure the BDM background-debug cable and the resonator/oscillator selection match the chosen bus frequency. Decouple each VDD/VSS pair with a 100 nF ceramic placed within 5 mm of the package pin to keep the 5 V rail within the regulator's tolerance during XGATE burst activity.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same S12XEP family, and practical engineering notes not found in the manufacturer datasheet.
Drop-in alternatives for MC9S12XEP100CAL — 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 MC9S12XEP100CAL (same form factor and footprint) — differing in Operating Temperature, Package, ADC, Core, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S12XEP100MAL
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12XEP100CAL
✅ Drop-In✓ In Stock
$15.8 / Unit
View Datasheet →MC9S12XEP100MVL
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12XET256MAL
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12DT128MPVE
✅ Drop-In✓ In Stock
$36.5 / Unit
View Datasheet →MC9S12XEP100CAL Maximum Ratings & Electrical Characteristics
| Core | HCS12X (CISC) |
| Data Bus Width | 16-bit |
| Maximum Clock Frequency | 50 MHz |
| Program Memory Size | 1 MB Flash |
| RAM Size | 64 KB |
| EEPROM Size | 4 KB |
| ADC | 16-channel, 12-bit, 3 us conversion |
| Co-Processor | XGATE peripheral engine |
| Supply Voltage | 1.72 V to 1.98 V core (single 5 V supply via internal regulator) |
| General Purpose I/O | 91 pins |
| Memory Protection Unit | Yes (supervisor/user modes) |
| Timers | ECT, PIT, RTI |
| Operating Temperature | -40 C to +85 C |
| Package | 112-LQFP (20 x 20 mm) |
| Mounting Type | Surface Mount |
| Communication Interfaces | CAN, SCI/UART, SPI (counts per family datasheet) |
MC9S12XEP100CAL 112-lqfp (20 x 20 mm) Pin Configuration Guide
Pin configuration for MC9S12XEP100CAL (112-lqfp (20 x 20 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 MC9S12XEP100CAL.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S12XEP100CAL is suitable for 6 applications: Automotive Body Control Module, HVAC Climate Control ECU, Industrial CAN Node Controller, Home Appliance Motor Controller, Instrument Cluster Display Driver, Battery Management System Slave Node.
Automotive Body Control Module
Body control modules aggregate inputs from door switches, ambient light sensors, and CAN buses, then drive mirror motors, lighting, and wiper relays. The MC9S12XEP100CAL fits this role because its 1 MB Flash holds the full BCM application plus bootloader and diagnostics, while the XGATE engine offloads CAN bus servicing to free the main HCS12X core for application logic. The 16-channel 12-bit ADC handles multiple analog sensor inputs (temperature, battery voltage, current sense) at 3 us conversion time, fast enough for current-loop control. Integrated CAN, SPI, and SCI interfaces connect to other ECUs and to peripheral drivers, while the -40 C to +85 C temperature range covers cabin environments. The 91 GPIO pins handle the high pin count typical of body computers without requiring external I/O expanders.
Recommended
HVAC Climate Control ECU
HVAC ECUs require simultaneous management of blower motor PWM, blend door actuators, temperature sensors, and CAN/LIN communication with the dashboard. The MC9S12XEP100CAL's Enhanced Capture Timer (ECT) generates the high-resolution PWM needed for brushless DC blower motors, while the Periodic Interrupt Timer (PIT) schedules the 100 ms task cycle for actuator updates. The 4 KB hardware-emulated EEPROM supports non-volatile storage of trim settings, learned user preferences, and diagnostic trouble codes without wear-leveling firmware overhead. Memory Protection Unit supervisor/user mode prevents buggy high-priority tasks from corrupting safety-critical code. The XGATE co-processor handles LIN bus and PWM update interrupts at zero CPU context-switch cost, letting the main core focus on the control loop. With 64 KB RAM, the climate control algorithm and a small real-time OS fit comfortably.
Recommended
Industrial CAN Node Controller
Industrial CAN nodes, particularly IEC 61784 and CANopen slave devices, demand deterministic real-time response and a flexible peripheral mix. The MC9S12XEP100CAL's HCS12X CISC core executes bit-field-heavy CAN application layers efficiently, while the XGATE peripheral engine services the CAN mailbox with sub-microsecond latency off the main core. The 50 MHz bus speed sustains 1 Mbps CAN-FD payload throughput for high-bandwidth sensor acquisition. The hardware Memory Protection Unit and supervisor/user modes enable IEC 61508 SIL-2 friendly firmware partitioning. The 91 GPIO pins and multiple timers allow direct drive of opto-isolated outputs, relay coils, and PWM-controlled valve actuators. With 1 MB Flash, an entire CANopen stack plus application fits on a single MCU, and the 4 KB EEPROM stores node configuration and persistent fault logs.
Recommended
Home Appliance Motor Controller
Washing machines, dishwashers, and refrigerator inverter compressors need a robust MCU that can run BLDC or PMSM motor control loops while talking to the user panel and main controller. The MC9S12XEP100CAL's ECT and PIT modules generate the complementary PWM and the 1 ms control tick required for field-oriented control (FOC) of small three-phase motors up to several hundred watts. The 12-bit ADC at 3 us conversion time samples phase currents synchronously to the PWM, supporting sensorless FOC startup routines. XGATE offloads the zero-cross detection and tachometer capture, freeing the main core from interrupt storms. With 1 MB Flash, full motor control libraries plus a safety kernel (IEC 60730 class B) fit, and the 4 KB EEPROM retains fault histories across power cycles, which is essential for warranty diagnostics.
Recommended
Instrument Cluster Display Driver
Instrument clusters drive stepper-motor gauges, LED backlights, and small TFT displays while scanning CAN messages from the powertrain bus. The MC9S12XEP100CAL's 50 MHz bus and 1 MB Flash handle CAN parsing, gauge sweep animation, and a lightweight graphics library for sub-7-inch displays. The XGATE co-processor maintains the CAN mailbox and stepper pulse streams in the background, ensuring pointer motion stays smooth even under heavy bus load. 16 ADC channels read fuel level, oil pressure, and battery sense simultaneously. The 64 KB RAM buffers full-frame display content, and 4 KB EEPROM retains odometer and trip data. Operating from -40 C to +85 C, the part handles the cabin thermal environment of most vehicles.
Recommended
Battery Management System Slave Node
Modular battery management systems use slave monitor nodes to read cell voltages, balancing currents, and temperatures across hundreds of cells, communicating results back to a master controller. The MC9S12XEP100CAL's 16-channel 12-bit ADC at 3 us conversion captures the cell stack voltage scan within a battery switch-loop settling window. The 1 MB Flash holds cell-balancing algorithms, ISO SPI or CAN daisy-chain protocols, and IEC 61508 diagnostic firmware. The XGATE engine handles the deterministic cell voltage scan and balancing PWM at fixed intervals, freeing the HCS12X core for coulomb counting and state-of-charge (SOC) math. The 64 KB RAM retains a moving window of historical cell telemetry, and the 4 KB EEPROM stores non-volatile fault records and per-cell calibration data that survive battery replacement.
Recommended
Recommended Products Summary
Engineering reference data for MC9S12XEP100CAL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S12XEP100MAL | MC9S12XEP100MVL | MC9S12XET256MAL | MC9S12DT128MPVE |
|---|---|---|---|---|---|
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | LQFP-112 family equivalent - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS12X (CISC) 16-bit | HCS12X (CISC) 16-bit | HCS12X (CISC) 16-bit | HCS12X (CISC) 16-bit | HCS12 (CISC) 16-bit (non-X) |
| Maximum Clock | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 25 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 256 KB | 128 KB |
| RAM | 64 KB | 64 KB | 64 KB | 16 KB | 8 KB |
| Operating Temperature | -40C to +85C | -40C to +125C (automotive) | different temp grade option | -40C to +125C (automotive) | -40C to +125C |
| XGATE Co-processor | Yes | Yes | Yes | Yes | No (HCS12 base, no XGATE) |
Key Differentiators
- Four times the Flash and eight times the RAM of legacy HCS12DT parts (vs MC9S12DT128MPVE)
- Integrated XGATE peripheral engine unavailable in older HCS12DT (vs MC9S12DT128MPVE)
- Higher memory density than MC9S12XET256MAL within the same LQFP-112 footprint (vs MC9S12XET256MAL)
Design Notes
The MC9S12XEP100CAL operates from a single 5 V supply via its internal voltage regulator generating the 1.8 V core rail. Place a 100 nF X7R decoupling capacitor within 5 mm of every VDD/VSS pin pair, plus a bulk 4.7 uF tantalum at the regulator input. The internal regulator requires the VDDA/VSSA pins be tied to clean analog supply to avoid ADC reference drift; route analog supply with a ferrite bead from the digital 5 V rail to keep switching noise out of the ADC reference ladder.
Estimated: in the 112-LQFP package (20 x 20 mm) with typical theta_JA around 45 C/W on a 4-layer JEDEC PCB, the MC9S12XEP100CAL at 50 MHz core and full GPIO switching dissipates approximately 0.5 W, yielding a junction rise of about 22 C above ambient. This stays well inside the +85 C / +125 C operating ratings. For sustained junction temperatures above 110 C, switch to the MC9S12XEP100MAL which carries the +125 C automotive rating, and consider enlarging the GND copper pour under the exposed pad to drop theta_JA below 35 C/W.
Do not leave the XIRQ pin floating - the non-maskable external interrupt defaults to a level-sensitive input that can repeatedly wake the core from STOP if floating. Tie XIRQ low through a 10 kohm resistor if unused. Always program the EBI enable bit to 0 when not used, otherwise the unused bus pins default to alternate-function mode and interfere with GPIO. Run the AN2720 bootloader recommendations to ensure Flash security byte sequencing is correct before locking the part with backdoor key access.
Compliance Information
RoHS compliant per NXP product page. The CAL suffix denotes industrial temperature grade -40C to +85C; AEC-Q100 qualification is not applicable to this suffix. Choose the -MAL suffix (MC9S12XEP100MAL) for AEC-Q100 grade 1 automotive qualification.
