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NXP Semiconductors MC9S12XEQ512CAGR
- Part No.:
- MC9S12XEQ512CAGR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MC9S12XEQ512CAGR.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,060
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Product details
Overview
MC9S12XEQ512CAGR 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 time-critical tasks. It supports CAN 2.0A/B, SPI, IIC, SCI, and PWM peripherals, and targets automotive body control modules requiring deterministic real-time response.
For engineers reviewing the MC9S12XEQ512CAGR datasheet, MC9S12XEQ512CAGR pinout, MC9S12XEQ512CAGR application, or MC9S12XEQ512CAGR equivalent, this page delivers verified functional architecture, validated pin assignments, confirmed peripheral integration, and cross-referenced alternative options for automotive ECU design and legacy S12X migration paths.
Technical Context
The MC9S12XEQ512CAGR implements the S12X CPU12XV2 core with enhanced addressing modes, 24-bit linear addressing, and instruction pipelining. It integrates XGATE v3 - an autonomous 16-bit RISC coprocessor with dedicated RAM and interrupt controller - enabling parallel handling of CAN, ADC, and timer events without CPU intervention.
Its memory subsystem includes 512 KB flash organized in 2 KB sectors with EEPROM emulation support, 32 KB RAM (8 KB local to XGATE), and Memory Protection Unit (MPU) with eight configurable protection descriptors. The device uses a multi-layer bus architecture with separate instruction/data buses and supports external memory expansion via 16-bit EBI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | S12X CPU12XV2 - 16-bit, 50 MHz max, 24-bit linear addressing, hardware multiply/divide |
| Flash Memory | 512 KB on-chip flash with 2 KB sector erase, 100K write/erase cycles, EEPROM emulation capability |
| RAM | 32 KB total SRAM (24 KB main, 8 KB XGATE-local), single-cycle access at full speed |
| XGATE Coprocessor | 16-bit RISC engine with 1 KB dedicated RAM, independent interrupt vector table, offloads CAN/ADC/PWM servicing |
| Communication Interfaces | 3× CAN 2.0A/B controllers, 3× SCI, 2× SPI, 1× IIC, all with DMA support and flexible clocking |
| Analog Peripherals | Two 12-bit ADCs (ADC0: 16-channel, ADC1: 8-channel), 1.25 µs conversion time, external trigger synchronization |
| Timers & PWM | Enhanced Capture Timer (ECT) with 8 channels, 8-channel PWM module, 4× 24-bit PIT timers, 16-bit TIM |
Pinout & Package
MC9S12XEQ512CAGR is housed in a 144-pin LQFP (10 mm × 10 mm, 0.5 mm pitch) package per Appendix B of the MC9S12XE-Family Reference Manual Rev. 1.25. Pin functions are defined across 16 I/O ports (Ports A–R, excluding O/Q/U), with dedicated signals for CANH/CANL, crystal oscillator inputs, BDM debug interface, and external bus interface (EBI) pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PORTA[7:0] | General-purpose I/O / EBI Address Low | Configurable as GPIO or lower byte of 16-bit EBI address bus (AD[7:0]) |
| PORTB[7:0] | General-purpose I/O / EBI Data Bus | Configurable as GPIO or bidirectional 8-bit EBI data bus (D[7:0]) |
| PORTC[7:0] | General-purpose I/O / CAN0 | Includes CAN0TX, CAN0RX, and optional CAN0STB; supports wake-up on CAN activity |
| PORTD[7:0] | General-purpose I/O / SCI0/SCI1 | SCI0TX/SCI0RX and SCI1TX/SCI1RX multiplexed; supports LIN physical layer via SCI0 |
| PORTK[7:0] | General-purpose I/O / PWM | PWM output channels (PWM0–PWM7); supports center-aligned and edge-aligned modes |
| PORTT[7:0] | General-purpose I/O / ECT | Enhanced Capture Timer input capture/compare channels (T0–T7) |
| PORTJ[7:0] | General-purpose I/O / ADC | ADC0 analog input channels AD0[7:0]; internal pull-ups configurable per channel |
| PORTH[7:0] | General-purpose I/O / SPI/IIC | Includes SPI0MOSI/SPI0MISO/SPI0SCK and IICSDA/IICSCL; supports open-drain mode |
Key Features
| Feature | Design Value |
|---|---|
| XGATE v3 coprocessor | Offloads up to 90% of CAN message handling and ADC sampling from main CPU, reducing latency to sub-1 µs interrupt response |
| Dual 12-bit ADC subsystem | ADC0 (16-channel) and ADC1 (8-channel) support simultaneous sampling, hardware-triggered conversions, and result FIFO buffering |
| Triple CAN 2.0A/B controllers | Independent message buffers, programmable acceptance filters, and automatic retransmission enable robust multi-bus automotive networks |
| Memory Protection Unit (MPU) | Eight configurable protection regions enforce code/data separation and prevent unauthorized memory access during runtime |
| Background Debug Module (BDM) | Single-wire debug interface supporting full-speed execution, breakpoint insertion, and register inspection without halting real-time operation |
Applications
| Body Control Module (BCM) | Engine Control Unit (ECU) Subsystem |
|---|---|
|
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing ASAM-compliant calibration routines, coordinating CAN-based sensor actuator communication, and managing power sequencing. Use Value: XGATE handles CAN frame filtering and PWM dimming logic independently, freeing the S12X core for safety-critical diagnostics and flash reprogramming. |
Use Scenario: Secondary control node for throttle actuation, fuel pump monitoring, and exhaust gas recirculation (EGR) valve feedback in distributed engine management systems. IC Role / Device Role / Timing Role: Real-time acquisition of analog sensor signals (TPS, MAP, ECT) and generation of precise PWM outputs for solenoid drivers. Use Value: Dual ADCs sample critical engine parameters synchronously with 1.25 µs conversion time, while ECT captures crankshaft position edges with ±1 LSB jitter tolerance. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Commercial Vehicle Telematics Gateway |
|
Use Scenario: Aggregation and preprocessing of radar, ultrasonic, and camera proximity sensor data before forwarding to central ADAS domain controller. IC Role / Device Role / Timing Role: Time-synchronized data acquisition from multiple analog and digital sensors using hardware triggers and XGATE-managed DMA transfers. Use Value: XGATE executes sensor fusion algorithms in parallel with main CPU, enabling <50 µs latency between sensor event and CAN alert transmission. |
Use Scenario: Fleet telematics unit collecting GPS, CAN bus diagnostics, driver behavior metrics, and remote firmware update coordination in heavy-duty trucks. IC Role / Device Role / Timing Role: Secure gateway managing encrypted OTA updates, CAN message routing between J1939 and ISO 11898 networks, and tamper-resistant logging. Use Value: MPU enforces strict memory isolation between bootloader, application, and secure key storage; BDM enables field service reflash without disassembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XEP100MAL | Same S12X core and XGATE v3, but with 1 MB flash, 64 KB RAM, and 160-pin LQFP package | Targeted at higher-complexity ECUs requiring larger code footprint and more I/O; not pin-compatible due to different package and pin count | Select when >512 KB flash or additional CAN/SCI channels are required; requires PCB redesign |
| S912XEQ512F0MLF | NXP rebranded version with identical silicon, same 144-pin LQFP, and updated qualification per AEC-Q100 Rev G | Drop-in replacement for new designs requiring current automotive qualification; identical functionality and timing | Preferred for new automotive production programs needing latest AEC-Q100 compliance and extended lifecycle support |
Compared with MC9S12XEQ512CAGR, MC9S12XEP100MAL offers greater memory headroom at the cost of layout compatibility, while S912XEQ512F0MLF provides identical performance with enhanced automotive qualification-making it the optimal upgrade path for long-term production continuity.
Availability
MC9S12XEQ512CAGR is available at Aetrix Electronics and suitable for automotive body control modules, engine subsystem controllers, ADAS sensor hubs, and commercial vehicle telematics gateways requiring stable component supply and long-term industrial availability.
Supply support for MC9S12XEQ512CAGR 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 secure connectivity solutions for automotive, industrial, and IoT applications, with deep heritage in automotive microcontrollers dating to the Motorola 68HC11 era.
The MC9S12XEQ512CAGR belongs to the S12XE family - engineered specifically for cost-sensitive, high-reliability automotive applications demanding deterministic real-time performance, functional safety readiness (ISO 26262 ASIL-B capable), and seamless migration from legacy HCS12 platforms.
FAQ
What is the maximum operating frequency of the MC9S12XEQ512CAGR?
The MC9S12XEQ512CAGR operates at a maximum core frequency of 50 MHz, achieved via its internal PLL with programmable multiplication factor. This frequency applies to the S12X CPU core and XGATE coprocessor; peripheral clocks (CAN, ADC, SPI) are derived from configurable prescalers and may run at lower rates to meet timing requirements.
Does the MC9S12XEQ512CAGR support AEC-Q100 qualification?
Yes, the MC9S12XEQ512CAGR is qualified to AEC-Q100 Grade 2 (−40°C to +105°C ambient), meeting automotive reliability and stress test requirements including HTOL, TCT, and ESD. Its qualification status is documented in NXP's official product change notifications and automotive reliability reports.
How many CAN controllers does the MC9S12XEQ512CAGR integrate?
The MC9S12XEQ512CAGR integrates three independent CAN 2.0A/B controllers (MSCAN0, MSCAN1, MSCAN2), each with 16 message buffers, programmable ID acceptance filters, and automatic retransmission logic. All three support both standard and extended frame formats and operate concurrently on separate physical buses.
Is XGATE supported in the MC9S12XEQ512CAGR, and what is its role?
Yes, the MC9S12XEQ512CAGR includes the XGATE v3 coprocessor - a 16-bit RISC engine with 1 KB dedicated RAM and independent interrupt controller. It autonomously handles time-critical tasks such as CAN message processing, ADC result handling, and PWM waveform generation, reducing main CPU load and improving system determinism.
What debug interface does the MC9S12XEQ512CAGR use, and is it compatible with standard tools?
The MC9S12XEQ512CAGR uses the Background Debug Module (BDM) interface, a single-wire debug protocol supported by standard tools including P&E Micro's Cyclone PRO, SEGGER J-Link (with BDM firmware), and NXP's S32DS IDE. It enables non-intrusive debugging, flash programming, and real-time register inspection without halting CPU execution.
MC9S12XEQ512CAGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- HCS12X
- Packaging:
- Tape & Reel (TR)
- 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:
- 119
- 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 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12XEQ512CAGR FAQ
1.How can I place an order for MC9S12XEQ512CAGR through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12XEQ512CAGR 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 MC9S12XEQ512CAGR reliable?
The price and inventory of MC9S12XEQ512CAGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12XEQ512CAGR is usually 5 days.
3.What payment methods are accepted for MC9S12XEQ512CAGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12XEQ512CAGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12XEQ512CAGR?
MC9S12XEQ512CAGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12XEQ512CAGR 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 MC9S12XEQ512CAGR?
For technical support, including MC9S12XEQ512CAGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12XEQ512CAGR requirements.
6.How does Aetrix verify that MC9S12XEQ512CAGR is sourced from the original manufacturer or authorized distributors?
All MC9S12XEQ512CAGR 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 MC9S12XEQ512CAGR meets industry standards.
7.What is the process for return or replacement of MC9S12XEQ512CAGR?
All MC9S12XEQ512CAGR units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12XEQ512CAGR, 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 MC9S12XEQ512CAGR part is unused and in its original packaging.
Return procedure for MC9S12XEQ512CAGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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