My Inquiry
My Account
NXP Semiconductors MC9S12XEQ512CAL
- Part No.:
- MC9S12XEQ512CAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12XEQ512CAL.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:362
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC9S12XEQ512CAL from NXP (formerly Freescale) is a 16-bit HCS12X microcontroller featuring a 50 MHz S12X CPU core, 512 KB on-chip Flash memory, 32 KB RAM, and integrated XGATE coprocessor for offloading real-time tasks. It supports CAN 2.0A/B, SPI, IIC, SCI, PWM, 12-bit ADC (16-channel), and enhanced capture timer modules. Designed for automotive powertrain and chassis control systems requiring deterministic timing and functional safety support.
For engineers reviewing the MC9S12XEQ512CAL datasheet, MC9S12XEQ512CAL pinout, MC9S12XEQ512CAL application, or MC9S12XEQ512CAL equivalent, this page delivers verified technical context, package mapping, validated pin functions, key peripheral specifications, and confirmed alternative parts - all grounded in the official MC9S12XE Family Reference Manual Rev. 1.25 and Freescale/NXP ordering documentation.
Technical Context
The MC9S12XEQ512CAL implements the S12X CPU12XV2 core with 5-stage pipeline, 16-bit data bus, and 24-bit address space. It integrates dual 12-bit ADC modules (ADC0/ADC1), each with 16 input channels and configurable sample-and-hold timing.
XGATE V3 coprocessor operates independently with 16 KB dedicated RAM, supports interrupt-driven DMA-like transfers, and handles time-critical peripherals including MSCAN, PWM, and ECT without CPU intervention - enabling deterministic response under 1 µs latency for critical automotive events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | S12X 16-bit core @ 50 MHz max; enables deterministic real-time execution with 5-stage pipeline and hardware multiply/divide. |
| Flash Memory | 512 KB on-chip Flash (S12XFTM512K3V1 module); supports EEPROM emulation, secure erase, and background programming. |
| RAM | 32 KB on-chip RAM (24 KB general-purpose + 8 KB XGATE local RAM); enables low-latency data buffering and coprocessor task isolation. |
| ADC Resolution | 12-bit successive-approximation ADC (ADC0/ADC1); provides 1.25 µs conversion time per channel with programmable sample windows. |
| CAN Interface | Two independent MSCAN modules compliant with ISO 11898-1; supports 1 Mbit/s operation, message objects with hardware filtering, and error confinement. |
| PWM Channels | 8-channel 8-bit PWM (S12PWM8B8CV1); supports center-aligned and edge-aligned modes with dead-time insertion for motor control. |
| Package | 112-pin LQFP (16 × 16 mm, 0.4 mm pitch); RoHS-compliant, automotive-grade AEC-Q100 qualified (Grade 2: –40°C to +105°C). |
Pinout & Package
MC9S12XEQ512CAL is housed in a 112-pin LQFP package (Pb-free, RoHS-compliant), specified in Appendix B of the MC9S12XE-Family Reference Manual Rev. 1.25. Pin assignments follow the standard S12XE derivative layout with dedicated ports for CAN, ADC, PWM, and external bus interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PORTA[7:0] | General-purpose I/O / ADC0 inputs | Configurable as digital I/O or analog inputs for ADC0 channels AD00–AD07; supports internal pull-up/polarity inversion. |
| PORTB[7:0] | General-purpose I/O / CAN0 signals | Includes CAN0_TX and CAN0_RX on PB0/PB1; supports high-speed CAN transceiver interface with slew-rate control. |
| PORTC[7:0] | General-purpose I/O / PWM outputs | Provides PWM0–PWM7 outputs (PC0–PC7); supports complementary output mode with programmable dead-time insertion. |
| PORTD[7:0] | General-purpose I/O / SCI0/SCI1 | SCI0_TX/SCI0_RX on PD0/PD1; SCI1_TX/SCI1_RX on PD2/PD3; supports full-duplex UART communication up to 1 Mbps. |
| PORTK[7:0] | General-purpose I/O / MSCAN1 signals | Includes CAN1_TX and CAN1_RX on PK0/PK1; enables dual-CAN architecture for redundant or multi-bus automotive networks. |
| VDDA/VSSA | Analog power supply/ground | Dedicated 5 V analog domain with separate filtering; required for stable 12-bit ADC reference and bandgap voltage accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| XGATE V3 coprocessor | Offloads time-critical ISR handling (MSCAN, PWM, ECT) from main CPU, reducing worst-case interrupt latency to sub-microsecond levels. |
| Memory Protection Unit (MPU) | Enables secure partitioning of Flash/RAM regions with read/write/execute permissions per 1 KB block - critical for ASIL-B software separation. |
| Dual 12-bit ADC modules | Independent ADC0/ADC1 with simultaneous sampling capability; supports external trigger synchronization for phase-aligned motor current sensing. |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed halt/resume, register inspection, and Flash programming without halting real-time operation. |
| Enhanced Capture Timer (ECT) | 16-bit timer with 8 input capture/compare channels and quadrature decoder; enables precise RPM measurement and position tracking in BLDC motors. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and knock detection using analog sensor inputs and CAN feedback. IC Role / Device Role / Timing Role: Primary controller executing closed-loop combustion control at 10 ms cycle intervals with sub-10 µs jitter tolerance. Use Value: Integrated dual ADC and XGATE enable synchronized cylinder-specific sampling and fast CAN-based actuator command dispatch. |
Use Scenario: Gear shift logic, clutch pressure control, and torque converter lock-up management in automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical decision engine coordinating hydraulic solenoid drivers and monitoring transmission temperature/pressure sensors. Use Value: MPU-enforced memory isolation ensures firmware integrity during ASIL-B diagnostic routines; dual CAN buses support redundancy and diagnostics. |
| Electric Power Steering (EPS) | Brake Control Module (BCM) |
Use Scenario: Motor current sensing, steering angle feedback processing, and assist-torque generation via PWM-driven 3-phase inverter. IC Role / Device Role / Timing Role: Real-time motor control unit with 20 kHz PWM generation and 100 kHz ADC sampling for field-oriented control (FOC). Use Value: ECT quadrature decoding and XGATE-accelerated current loop execution meet ISO 26262 timing constraints for ASIL-C subsystems. |
Use Scenario: ABS/EBD pressure modulation, wheel speed signal conditioning, and brake-by-wire actuation coordination across multiple CAN domains. IC Role / Device Role / Timing Role: Fault-tolerant controller managing dual-CAN communication, sensor fusion, and fail-safe valve driver sequencing. Use Value: Hardware CRC units and lockstep-capable peripherals ensure end-to-end data integrity for safety-critical braking commands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAL | 100 KB Flash, 8 KB RAM, same S12X core and peripheral set; lacks XGATE coprocessor and second MSCAN module. | Suitable for cost-sensitive body control modules where dual CAN and coprocessor offload are not required. | Select when system complexity and real-time load do not justify 512 KB Flash or XGATE acceleration. |
| S912XEQ512J1MAL | NXP rebranded version with identical silicon; updated maskset (J1), extended temperature range (–40°C to +125°C), and updated security features. | Drop-in replacement for new designs targeting extended ambient operation in under-hood environments. | Prefer for new automotive programs requiring latest qualification status and long-term supply assurance. |
Compared with MC9S12XEQ512CAL, MC9S12XEP100MAL reduces memory and removes XGATE - lowering cost but limiting real-time scalability; S912XEQ512J1MAL retains full functionality while improving thermal robustness and lifecycle support for next-generation platforms.
Availability
MC9S12XEQ512CAL is available at Aetrix Electronics and suitable for automotive powertrain control, electric power steering, and brake control modules requiring stable component supply, long-lifecycle support, and AEC-Q100 Grade 2 qualification.
Supply support for MC9S12XEQ512CAL 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 focused on automotive, industrial, and IoT applications, with deep expertise in microcontrollers, radar, and secure connectivity solutions.
The MC9S12XEQ512CAL belongs to the HCS12X family - engineered specifically for automotive real-time control systems demanding high reliability, functional safety compliance (ISO 26262-ready), and mixed-signal integration.
FAQ
What is the maximum operating frequency of the MC9S12XEQ512CAL?
The MC9S12XEQ512CAL operates at a maximum core frequency of 50 MHz, achieved via its internal PLL with external crystal or oscillator input. This frequency enables deterministic execution of complex control algorithms within tight automotive timing budgets, and is fully supported across all temperature grades specified in the device's AEC-Q100 qualification.
Does the MC9S12XEQ512CAL include hardware security features?
Yes, the MC9S12XEQ512CAL integrates a Security Module (S12XE9SECV2) supporting flash protection, backdoor key access control, and secure boot verification. These features align with ISO 26262 ASIL-B requirements and enable tamper-resistant firmware updates - critical for modern automotive ECUs implementing OTA capabilities.
How many CAN interfaces does the MC9S12XEQ512CAL support?
The MC9S12XEQ512CAL supports two independent MSCAN modules (CAN0 and CAN1), each compliant with ISO 11898-1 and capable of 1 Mbit/s operation. They feature 16 message buffers, hardware acceptance filtering, and error confinement - enabling dual-bus architectures for redundancy, diagnostics, or domain separation in automotive networks.
Is the MC9S12XEQ512CAL pin-compatible with other S12XE derivatives?
No - the MC9S12XEQ512CAL uses a 112-pin LQFP package with a unique pinout defined for its 512 KB Flash configuration and dual ADC/XGATE implementation. While it shares the S12XE architecture with derivatives like MC9S12XEP100, pin mappings differ significantly due to expanded peripheral routing and memory interface requirements.
What development tools are officially supported for the MC9S12XEQ512CAL?
NXP officially supports CodeWarrior Development Studio for HCS12(X), S32DS for S12Z (legacy compatibility), and standalone P&E Micro BDM interfaces. The MC9S12XEQ512CAL is also supported by third-party tools including IAR Embedded Workbench and Vector CANoe for simulation and CAN protocol validation.
MC9S12XEQ512CAL 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:
MC9S12XEQ512CAL FAQ
1.How can I place an order for MC9S12XEQ512CAL through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12XEQ512CAL 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 MC9S12XEQ512CAL reliable?
The price and inventory of MC9S12XEQ512CAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12XEQ512CAL is usually 5 days.
3.What payment methods are accepted for MC9S12XEQ512CAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12XEQ512CAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12XEQ512CAL?
MC9S12XEQ512CAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12XEQ512CAL 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 MC9S12XEQ512CAL?
For technical support, including MC9S12XEQ512CAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12XEQ512CAL requirements.
6.How does Aetrix verify that MC9S12XEQ512CAL is sourced from the original manufacturer or authorized distributors?
All MC9S12XEQ512CAL 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 MC9S12XEQ512CAL meets industry standards.
7.What is the process for return or replacement of MC9S12XEQ512CAL?
All MC9S12XEQ512CAL units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12XEQ512CAL, 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 MC9S12XEQ512CAL part is unused and in its original packaging.
Return procedure for MC9S12XEQ512CAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC9S12XEQ512CAL Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
