S912XEP100J2VAL - 16-bit HCS12X MCU, 1MB Flash, 50MHz | NXP
MPN: S912XEP100J2VAL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.0048 | $1.00 |
| 10 | $0.98 | $9.80 |
| 100 | $0.92 | $92.00 |
| 500 | $0.88 | $440.00 |
| 1,000 | $0.85 | $850.00 |
S912XEP100J2VAL Overview
A microcontroller (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals into one package, sitting at the heart of embedded systems within the broader hierarchy of semiconductors -> integrated circuits -> microcontrollers. The S12X family extended the classic HCS12 architecture with an enhanced XGATE co-processor module, which offloads interrupt handling and communication tasks from the main CPU, effectively doubling real-world throughput for I/O-heavy applications.
Key features of the S912XEP100J2VAL include its 1 MB Flash array for large application code, 64 KB RAM for buffers and data logging, dual power supply support (3.3 V / 5 V per distributor data), and industrial temperature grading. The device integrates CAN, SCI, and SPI serial interfaces plus a 16-channel timer module and 10-bit ADC typical of the S12XEP subfamily, making it well suited to in-vehicle networking nodes.
Architecturally, the S12X core maintains object-code compatibility with the HC11 and HCS12 generations, allowing legacy code migration while adding 24-bit addressing, enhanced indexing, and the XGATE RISC co-processor clocked at up to 50 MHz.
Typical applications include automotive body electronics, gateways and dashboards, industrial control systems, and motor management units where CAN networking and deterministic 16-bit control are required.
Design consideration: the EP memory-density variant shares a common S12X pinout within its package family, but Flash size and package pin count must be re-verified against the datasheet before any board reuse.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for S912XEP100J2VAL — 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 S912XEP100J2VAL (same form factor and footprint) — differing in Package, Operating Temperature, Flash Memory, Core Processor, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S912XEG384J2VAL
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View Datasheet →S912XET512J2VAGR
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View Datasheet →S912XET256J2VAG
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Contact for price
View Datasheet →MC9S12XEP768CAG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →MC9S12XEQ384CAG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →S912XEG256J2CAL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →S912XEP100J2VAL Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS12X (S12X), 16-bit |
| CPU Clock / Bus Speed | 50 MHz |
| Flash Memory | 1 MB (1M x 8) |
| RAM | 64 KB |
| Supply Voltage | 3.3 V / 5 V |
| Package | 112-LQFP (20 x 20 mm) |
| Mounting Type | Surface Mount |
| Terminal Form | Gull Wing |
| Number of Terminals | 112 |
| Package Shape | Square |
| Temperature Grade | Industrial (-40C to +85C) |
| Core Co-processor | XGATE RISC co-processor |
| Product Family | HCS12X / S12XEP |
| Programmability / Toolchain | CodeWarrior / S12 Flash programming (BDM) |
S912XEP100J2VAL square Pin Configuration Guide
Pin configuration for S912XEP100J2VAL (square 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 S912XEP100J2VAL.
Refer to the datasheet for full pin configuration.
Typical Applications
S912XEP100J2VAL is suitable for 6 applications: Automotive Body Electronics, Vehicle Gateways and Dashboards, Industrial Control and Automation, Motor Management Units, Sensor and Actuator Nodes (CAN/LIN), Legacy HCS12 Design Migration.
Automotive Body Electronics
The S912XEP100J2VAL fits automotive body-control modules because its S12X core combines deterministic 16-bit control with an XGATE co-processor that independently services MSCAN frames, timer interrupts, and LIN/SCI traffic without stealing main-CPU cycles. With 1 MB of Flash, the device hosts full diagnostic stacks (UDS or KWP2000) plus feature code for lighting, door, and seat control. Industrial temperature grading and NXP's automotive heritage in the S12X family make the part a proven choice for 12 V vehicle networks, where it typically interfaces to CAN via an MC33902- or TJA1050-class transceiver and drives loads through qualified low-side switches.
Recommended
Vehicle Gateways and Dashboards
In gateway and dashboard nodes, the S912XEP100J2VAL leverages 1 MB Flash to store routing tables, multiple protocol stacks, and message-filtering configurations, while the XGATE RISC co-processor performs CAN-to-CAN and CAN-to-LIN frame forwarding at line rate, offloading the 50 MHz S12X CPU for dashboard display control and switch scanning. The 64 KB RAM buffers burst traffic between bus segments, and the industrial grade covers harsh cockpit and engine-bay-adjacent environments. Typical designs pair the MCU with independent CAN transceivers per bus segment and a supervisor device for ISO 7637-compliant power handling on vehicle supply rails.
Recommended
Industrial Control and Automation
For industrial control, the S912XEP100J2VAL offers a 50 MHz 16-bit core with 1 MB Flash - ample for PLC-lite logic, PID control loops, and Modbus/CANopen protocol implementations - while the XGATE module handles high-rate I/O scanning and communication servicing deterministically. The industrial temperature grade (-40C to +85C) suits cabinet and machinery environments, and the 112-LQFP's rich GPIO count drives relays, contactors, and HMI inputs directly through port expanders or drivers. Flash-based firmware enables field updates, and code compatibility with the wider HCS12 ecosystem shortens migration of legacy HC11/HCS12 designs onto a current, procurable part.
Recommended
Motor Management Units
Motor management applications benefit from the S912XEP100J2VAL's 16-channel timer module, PWM capability, and XGATE-offloaded feedback processing for current and position sensing. The 50 MHz S12X core closes speed and torque loops in DC motor and BLDC-adjacent loads with predictable latency, while 1 MB Flash accommodates auto-calibration routines, fault tables, and multiple drive profiles. The 3.3 V / 5 V supply flexibility simplifies interfacing with gate-driver ICs and current-sense amplifiers on either logic domain. Typical designs pair the MCU with pre-driver/gate-driver devices and CAN or LIN communication for supervisory control in pumps, blowers, and actuators.
Recommended
Sensor and Actuator Nodes (CAN/LIN)
Distributed sensor and actuator nodes use the S912XEP100J2VAL for local acquisition and control over CAN or LIN backbones. Its integrated 10-bit ADC typical of the S12XEP subfamily digitizes analog sensor inputs, the XGATE co-processor timestamps and packages frames for transmission without main-CPU intervention, and 1 MB Flash supports data logging plus firmware-update staging images. The gull-wing 112-LQFP provides enough GPIO for local switch decoding and driver outputs, and the industrial temperature range covers under-hood-adjacent mounting. Power comes from a 5 V or 3.3 V LDO feeding the MCU's dual-rail architecture, with an MC33902- or TJA1021-class transceiver for bus connection.
Recommended
Legacy HCS12 Design Migration
The S912XEP100J2VAL is a strategic target for migrating legacy HC11/HCS12 systems: the S12X core preserves object-code compatibility with earlier Freescale 16-bit parts, so existing C and assembly application code recompiles with minimal change, while designers gain 24-bit addressing, up to 50 MHz bus speed, XGATE concurrency, and 1 MB of on-chip Flash that eliminates external memory expansion. Because the device is supplied through Rochester Electronics lifecycle distribution, it offers a long-term landing zone for programs whose original MCU has gone EOL. BDM tool compatibility means existing HCS12 programmers and debug hardware carry over directly to the new design.
Recommended
Recommended Products Summary
Engineering reference data for S912XEP100J2VAL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S912XEG384J2VAL | S912XET512J2VAGR | S912XET256J2VAG | MC9S12XEP768CAG | MC9S12XEQ384CAG |
|---|---|---|---|---|---|---|
| Package | 112-LQFP (20x20) | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP (20x20) - same | 112-LQFP - same footprint | 112-LQFP - same footprint |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 1 MB | 384 KB | 512 KB | 256 KB | 768 KB | 384 KB |
| Core / Bus Speed | 16-bit S12X, 50 MHz | 16-bit S12X, 50 MHz | 16-bit S12X, 50 MHz | 16-bit S12X, 50 MHz | 16-bit S12X, 50 MHz | 16-bit S12X, 50 MHz |
| XGATE Co-processor | Yes | Yes | Yes | Yes | Yes | Yes |
| Supply Voltage | 3.3 V / 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Relative Cost Tier | Highest in S12XEP (1 MB Flash) | Lower (384 KB) | Lower (512 KB) | Lowest (256 KB) | Lower (768 KB) | Lower (384 KB) |
Key Differentiators
- Maximum Flash density in the S12X J2 package (vs S912XET512J2VAGR)
- Footprint-compatible downshift path (vs S912XEG384J2VAL)
- Closer memory match within the same subfamily (vs MC9S12XEP768CAG)
Design Notes
Verify Flash size against your linker map before substituting family members: the S912XEP100J2VAL's 1 MB array spans a 24-bit paged address space, and code built for 1 MB will not link on 768 KB or 512 KB siblings (MC9S12XEP768CAG, S912XET512J2VAGR) without partition changes. Also confirm the exact temperature/speed ordering suffix - J2VAL denotes an industrial-grade LQFP-112 option - since the same die ships in multiple orderable variants with different ranges.
The S12XEP family operates from a dual-rail scheme: an internal 2.5-2.8 V regulator rail (requires external decoupling capacitor on VDDPLL/VDDX pins) supplied from a 3.3 V or 5 V input depending on the ordering variant. Place the datasheet-specified 0.1 uF capacitors at every VDDX/VSSX pin pair plus the PLL loop filter components exactly as shown in the reference manual - incorrect PLL filter layout is the most common cause of 50 MHz clock-instability issues on this family.
For the 112-LQFP (20 x 20 mm), use a footprint with 0.5 mm pitch pads and solder-mask-defined pads per IPC-recommended LQFP conventions; add thermal via stitching under the center to ground plane for heat spreading even though power dissipation is modest. Route XGATE-serviced CAN/SCI lines away from the PLL filter and crystal nets. Leave the BDM connector (6-pin) accessible on every production board for flash programming and field diagnostics.
At the full 50 MHz bus speed, treat high-speed bus outputs and the EXTAL/XTAL crystal circuit (full-swing Pierce oscillator per S12X reference manual) with short, direct traces and guard ground. The XGATE co-processor will service CAN frames concurrently with the core - scope the CAN RX/TX nets with proper grounding during EMC pre-compliance, since interrupt-storm-induced jitter on the bit sampler is a known S12X tuning item when both cores access the same peripheral bridges.
Compliance Information
NXP provides an IPC-1752A materials declaration XML for this part (referenced at freescale.com/mcds/S912XEP100J2VAL_IPC1752_v11.xml per NXP part-information data). Specific RoHS/REACH status must be confirmed from that declaration or the NXP product page.
