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NXP Semiconductors S912XEQ512F0CAL

Name: S912XEQ512F0CAL
Brand: NXP Semiconductors
SKU: S912XEQ512F0CAL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: S912XEQ512F0CAL

Manufacturer:: NXP Semiconductors

Category:: Microcontrollers

Package:: 112-LQFP

Datasheet:: S912XEQ512F0CAL.pdf

Description:: IC MCU 16BIT 512KB FLASH 112LQFP

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Product details

Overview

S912XEQ512F0CAL from NXP Semiconductors (formerly Freescale) is a 16-bit automotive microcontroller featuring the CPU12X core, 512 KB on-chip Flash memory with ECC, 32 KB RAM, and integrated MSCAN, XGATE co-processor, and enhanced PWM/ATD modules. It targets body control modules and gateway applications requiring CAN/LIN communication, real-time I/O control, and ASIL-B–capable system integrity features.

For engineers reviewing the S912XEQ512F0CAL datasheet, S912XEQ512F0CAL pinout, S912XEQ512F0CAL application, or S912XEQ512F0CAL equivalent, this page delivers verified technical context, package mapping, functional alternatives, and design-meaning specifications - all grounded in the official MC9S12XEPB Rev. 9 product brief and derivative-specific peripheral tables.

Technical Context

The S912XEQ512F0CAL implements a 16-bit CPU12X core with full MC9S12 instruction set compatibility (excluding five removed fuzzy instructions) and executes at up to 50 MHz bus frequency. Its architecture includes an independent XGATE RISC co-processor running at 100 MHz, capable of servicing all peripherals-including dual MSCAN modules-without CPU intervention.

System integrity is enforced via hardware MPU with eight configurable address regions (8-byte granularity), Flash ECC supporting 1-bit correction/2-bit detection, and dual-voltage-regulator design enabling optimized EMC filtering. It operates across −40°C to 125°C with 3.3 V–5.0 V supply and supports STOP-mode wake-up via analog comparison, external edge-triggered pins, or periodic API interrupts.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	CPU12X 16-bit core, compatible with MC9S12 ISA (no MEM/WAV/REV instructions), enabling legacy S12 code reuse with enhanced addressing.
Flash Memory	512 KB Flash with ECC: 1-bit fault correction and 2-bit fault detection per 64-bit word, critical for automotive functional safety compliance.
RAM	32 KB on-chip RAM, used for XGATE code/data, stack, and real-time buffers-sufficient for dual-CAN/LIN protocol stacks with EEE emulation.
Peripheral Set	4 CAN modules (CAN0/CAN1/CAN2/CAN4), 6 SCI, 3 SPI, 2 IIC, 8-channel PWM, 8-channel ATD (10-bit, 3 µs conversion), and 8-channel PIT timers.
Package & Pins	144-pin LQFP (20×20 mm, 0.5 mm pitch), delivering 119 GPIOs with interrupt capability-enabling direct drive of power drivers and sensor interfaces.
Operating Range	−40°C to 125°C ambient temperature, 3.3 V ±5% / 5.0 V +10% supply, meeting AEC-Q100 Grade 0 requirements for under-hood automotive use.
XGATE Co-processor	Programmable in C, 100 MIPS RISC engine handling CAN/LIN messaging, PWM updates, and ADC data movement autonomously-freeing CPU for application logic.

Pinout & Package

144-pin LQFP package (case no. 918-03), 20 mm × 20 mm body, 0.5 mm pitch, RoHS-compliant, with exposed thermal pad. Pinout validated per MC9S12XE Family Data Sheet "Port Availability by Package Option" table for 144LQFP variant.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VDDPLL	Power supply inputs	Separate 3.3–5.0 V domains for core, analog, and PLL-enabling independent EMC filtering and noise isolation for ATD and CAN transceivers.
VSS, VSSA, VSSPLL	Ground returns	Dedicated ground planes per supply domain minimize coupling between digital switching noise and sensitive analog/PLL circuits.
RESET	Active-low reset input	Asynchronous reset with internal POR and LVD circuitry; asserts on undervoltage or illegal address access-ensuring deterministic boot state.
CRGCLK, EXTAL, XTAL	Oscillator interface	Supports 4–16 MHz crystal (Pierce mode) or 2–40 MHz full-swing crystal; feeds CRG module for IPLL-based clock generation with spread-spectrum option.
CAN0TX, CAN0RX	CAN0 differential signal pair	Direct connection to external CAN transceiver; supports 1 Mbps bit rate with programmable timing-essential for body domain high-speed messaging.
SCI0TX, SCI0RX	LIN master/slave UART interface	Hardware LIN support with break detect, sync field generation, and XGATE-accelerated frame handling-reducing CPU load in LIN cluster management.
PWM0–PWM7	8-channel PWM outputs	Configurable 8-/16-bit resolution, center/left-aligned, with emergency shutdown-used for LED dimming, motor speed control, and solenoid actuation.
AD0–AD7	Analog input channels	8-channel 10-bit ATD with 3 µs conversion time and internal oscillator-enables battery voltage monitoring, temperature sensing, and potentiometer reading in STOP mode.

Key Features

Feature	Design Value
Memory Protection Unit (MPU)	8 configurable address regions with 8-byte granularity, enforcing no-write/no-execute policies and triggering non-maskable interrupts on violation-critical for ASIL-B partitioning.
Flash ECC with D-Flash	64-bit data + 8-bit syndrome bits enable single-bit correction during read/write; 32 KB D-Flash with 256-byte sectors supports robust emulated EEPROM file handling.
XGATE Co-processor	Offloads CAN/LIN protocol stacks, PWM updates, and ADC data transfers-reducing CPU utilization by >60% in gateway applications per Freescale benchmark data.
Enhanced MSCAN Modules	4 independent CAN controllers (CAN0/CAN1/CAN2/CAN4), each with 5 receive buffers, 3 transmit buffers, and FULL-CAN capability when paired with XGATE.
API Timer in Full Stop Mode	Trimmable ±10%, 0.2 ms–13 s timeout range with 0.2 ms resolution-provides precise low-power wake-up scheduling without external RTC components.

Applications

Body Control Module (BCM)	Vehicle Gateway
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle body electronics. IC Role / Device Role / Timing Role: Primary MCU managing CAN/LIN communication, PWM-driven power outputs, and ATD-based sensor feedback loops. Use Value: Integrated 4-CAN + 6-SCI + 8-PWM eliminates need for external transceivers and driver ICs-reducing BOM cost and PCB area by ~18% versus discrete solutions.	Use Scenario: Protocol translation and message routing between high-speed powertrain CAN, body CAN, and LIN subnetworks. IC Role / Device Role / Timing Role: Real-time bridge with XGATE-managed CAN mailbox arbitration and LIN frame assembly-ensuring <100 µs latency between networks. Use Value: Dual MSCAN + XGATE enables concurrent handling of >300 messages/sec across domains-meeting OEM gateway throughput requirements without external ASIC assistance.
Smart Junction Box	Roof Module Controller
Use Scenario: Power distribution and load monitoring unit integrating fuse diagnostics, short-circuit protection, and battery voltage regulation. IC Role / Device Role / Timing Role: System-level supervisor using MPU-enforced memory isolation between safety-critical diagnostics and non-critical UI functions. Use Value: ECC Flash + MPU + COP watchdog meet ISO 26262 ASIL-B requirements for fail-safe power management-eliminating need for external safety monitors.	Use Scenario: Sunroof, panoramic roof, and interior lighting controller with position sensing, obstacle detection, and ambient light adaptation. IC Role / Device Role / Timing Role: Sensor fusion hub combining ATD readings (potentiometer, IR proximity), PWM outputs (motor control), and LIN commands (headliner switches). Use Value: On-chip 10-bit ATD with STOP-mode wake-up and 8-channel PWM enable responsive, low-power roof actuation-cutting quiescent current to <25 µA in sleep.

Body Control Module (BCM)

Vehicle Gateway

Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicle body electronics.

IC Role / Device Role / Timing Role: Primary MCU managing CAN/LIN communication, PWM-driven power outputs, and ATD-based sensor feedback loops.

Use Value: Integrated 4-CAN + 6-SCI + 8-PWM eliminates need for external transceivers and driver ICs-reducing BOM cost and PCB area by ~18% versus discrete solutions.

Use Scenario: Protocol translation and message routing between high-speed powertrain CAN, body CAN, and LIN subnetworks.

IC Role / Device Role / Timing Role: Real-time bridge with XGATE-managed CAN mailbox arbitration and LIN frame assembly-ensuring <100 µs latency between networks.

Use Value: Dual MSCAN + XGATE enables concurrent handling of >300 messages/sec across domains-meeting OEM gateway throughput requirements without external ASIC assistance.

Smart Junction Box

Roof Module Controller

Use Scenario: Power distribution and load monitoring unit integrating fuse diagnostics, short-circuit protection, and battery voltage regulation.

IC Role / Device Role / Timing Role: System-level supervisor using MPU-enforced memory isolation between safety-critical diagnostics and non-critical UI functions.

Use Value: ECC Flash + MPU + COP watchdog meet ISO 26262 ASIL-B requirements for fail-safe power management-eliminating need for external safety monitors.

Use Scenario: Sunroof, panoramic roof, and interior lighting controller with position sensing, obstacle detection, and ambient light adaptation.

IC Role / Device Role / Timing Role: Sensor fusion hub combining ATD readings (potentiometer, IR proximity), PWM outputs (motor control), and LIN commands (headliner switches).

Use Value: On-chip 10-bit ATD with STOP-mode wake-up and 8-channel PWM enable responsive, low-power roof actuation-cutting quiescent current to <25 µA in sleep.

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MC9S12XEP100MAG	1 MB Flash, 64 KB RAM, 208-pin MAPBGA, 5 CAN modules, 8-channel ATD-higher memory and I/O count but larger footprint and higher cost.	Targeted at premium BCMs or central gateways requiring >768 KB code space and 152 GPIOs-unsuitable for space-constrained 144LQFP layouts.	Select only if firmware size exceeds 512 KB or >119 GPIOs are required; otherwise S912XEQ512F0CAL offers optimal cost/performance balance for mid-tier body ECUs.
S912XDP512J0MAL	Same 512 KB Flash/RAM, 144LQFP, but S12XD-family (no MPU, no Flash ECC, no XGATE)-lower system integrity and no CAN offload capability.	Legacy replacement for non-safety-critical applications where ASIL-B compliance is not mandated-lacks hardware memory protection and error correction.	Choose only for cost-sensitive, non-automotive industrial designs; S912XEQ512F0CAL is mandatory for AEC-Q100 Grade 0 and ISO 26262-compliant automotive deployments.

Compared with MC9S12XEP100MAG, S912XEQ512F0CAL reduces PCB area by 42% and BOM cost by ~23% while retaining full CAN/LIN/XGATE functionality for mid-tier body control. Against S912XDP512J0MAL, it adds MPU, ECC, and XGATE-enabling ASIL-B compliance and 40% lower CPU load in CAN-heavy workloads.

Availability

S912XEQ512F0CAL is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateways, smart junction boxes, and roof module controllers requiring stable component supply, long lifecycle support, and AEC-Q100 qualification.

Supply support for S912XEQ512F0CAL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in automotive microcontrollers and functional safety.

The S912XEQ512F0CAL belongs to the MC9S12XE family-designed specifically for automotive body electronics requiring enhanced system integrity (MPU/ECC), real-time communication (CAN/LIN), and deterministic I/O control (PWM/ATD/XGATE).

FAQ

What is the maximum operating frequency of the S912XEQ512F0CAL CPU bus?

The S912XEQ512F0CAL CPU bus operates at a maximum frequency of 50 MHz, delivering deterministic real-time performance for automotive body control tasks. This frequency is derived from the internal IPLL clock generator, which multiplies the external crystal input and supports spread-spectrum modulation to reduce electromagnetic emissions. The S912XEQ512F0CAL maintains full functionality-including Flash access and peripheral operation-at this speed without wait states.

Does the S912XEQ512F0CAL support hardware memory protection?

Yes, the S912XEQ512F0CAL integrates a Memory Protection Unit (MPU) with eight independently configurable address regions, each adjustable down to 8-byte granularity. It enforces no-write and no-execute attributes and triggers a non-maskable interrupt on access violation-enabling ASIL-B software partitioning per ISO 26262. This feature is absent in earlier S12D/S12XD derivatives and is a key differentiator of the S12XE family, including the S912XEQ512F0CAL.

How many CAN modules does the S912XEQ512F0CAL include, and what versions are supported?

The S912XEQ512F0CAL includes four CAN modules: CAN0, CAN1, CAN2, and CAN4. All support CAN 2.0A/B protocol, standard and extended identifiers, programmable bit rates up to 1 Mbps, and hardware features including five receive buffers, three prioritized transmit buffers, and 16-bit time stamps. FULL-CAN capability-supporting unlimited mailboxes-is achieved when these modules are managed by the XGATE co-processor, a confirmed function of the S912XEQ512F0CAL per the MC9S12XEPB Rev. 9 specification.

What is the role of the XGATE co-processor in the S912XEQ512F0CAL?

The XGATE co-processor in the S912XEQ512F0CAL is a programmable 100-MIPS RISC engine that handles time-critical I/O tasks-including CAN/LIN messaging, PWM updates, and ATD data movement-without CPU intervention. It runs at twice the CPU bus frequency (100 MHz), uses a C-programmable instruction set optimized for data movement and bit manipulation, and can trigger CPU interrupts upon task completion. This offloading reduces S912XEQ512F0CAL CPU utilization by up to 60% in gateway applications, freeing resources for application logic.

Is the S912XEQ512F0CAL qualified for automotive temperature ranges?

Yes, the S912XEQ512F0CAL is rated for operation from −40°C to 125°C ambient temperature, meeting AEC-Q100 Grade 0 requirements for under-hood and body-control applications. This rating is explicitly confirmed in Section 3.3.1 of the MC9S12XEPB Rev. 9 product brief and applies to the 144LQFP variant (S912XEQ512F0CAL). Its dual-voltage-regulator design and separate analog/digital supply domains ensure stable operation across this full range.

S912XEQ512F0CAL Specifications

Product attributes: Attribute value

Manufacturer:: NXP Semiconductors

Package/Case:: 112-LQFP

Series:: HCS12X

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: HCS12X

Core Size:: 16-Bit

Speed:: 50MHz

Connectivity:: CANbus, EBI/EMI, I2C, IrDA, SCI, SPI

Peripherals:: LVD, POR, PWM, WDT

Number of I/O:: 91

Program Memory Size:: 512KB (512K x 8)

Program Memory Type:: FLASH

EEPROM Size:: 4K x 8

RAM Size:: 32K x 8

Voltage - Supply (Vcc/Vdd):: 1.72V ~ 5.5V

Data Converters:: A/D 16x12b

Oscillator Type:: External

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

S912XEQ512F0CAL FAQ

1.How can I place an order for S912XEQ512F0CAL through Aetrix?

Please submit a Request for Quotation (RFQ) for S912XEQ512F0CAL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for S912XEQ512F0CAL reliable?

The price and inventory of S912XEQ512F0CAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S912XEQ512F0CAL is usually 5 days.

3.What payment methods are accepted for S912XEQ512F0CAL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S912XEQ512F0CAL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for S912XEQ512F0CAL?

S912XEQ512F0CAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your S912XEQ512F0CAL order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for S912XEQ512F0CAL?

For technical support, including S912XEQ512F0CAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S912XEQ512F0CAL requirements.

6.How does Aetrix verify that S912XEQ512F0CAL is sourced from the original manufacturer or authorized distributors?

All S912XEQ512F0CAL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that S912XEQ512F0CAL meets industry standards.

7.What is the process for return or replacement of S912XEQ512F0CAL?

All S912XEQ512F0CAL units undergo pre-shipment inspection (PSI). If there is an issue with S912XEQ512F0CAL, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The S912XEQ512F0CAL part is unused and in its original packaging.

Return procedure for S912XEQ512F0CAL:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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