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NXP Semiconductors MC9S12GC64MFAE
- Part No.:
- MC9S12GC64MFAE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MC9S12GC64MFAE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,796
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Product details
Overview
MC9S12GC64MFAE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 64 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0A/B controller, designed for automotive body electronics and industrial control systems requiring deterministic real-time response, EEPROM emulation, and robust debug support via BDM.
For engineers reviewing the MC9S12GC64MFAE datasheet, MC9S12GC64MFAE pinout, MC9S12GC64MFAE application, or MC9S12GC64MFAE equivalent, key selection criteria include its 50 MHz bus speed, 8-channel 10-bit ADC with auto-scan, dual PWM modules, and compatibility with S12X development tools and legacy HCS12 software ecosystems.
Technical Context
The MC9S12GC64MFAE implements the S12 CPU core with 16-bit data/24-bit address architecture, supporting single-cycle instruction execution for critical timing loops. It integrates a scalable CAN controller (S12MSCANV2), 16-bit timer module (TIM16B8CV1), and background debug module (BDMV4) with BKGD serial interface.
Its memory subsystem includes 64 KB Flash (S12FTS64KV4), 4 KB RAM, and 512 B EEPROM-emulated data storage. Power management supports RUN, WAIT, and STOP modes with wake-up via CAN, timer, or external interrupt - essential for low-duty-cycle automotive sensors and actuators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | S12 16-bit CISC core with 50 MHz maximum bus frequency; enables deterministic interrupt latency under 4 µs for safety-critical control loops. |
| Flash Memory | 64 KB on-chip Flash (S12FTS64KV4); supports in-application programming (IAP) and EEPROM emulation for parameter storage without external NV memory. |
| RAM | 4 KB on-chip RAM; sufficient for real-time task stacks, CAN message buffers, and PID controller variables in embedded motor control. |
| ADC | 8-channel 10-bit ATD10B8C with hardware-triggered scan and conversion time ≤10 µs; suitable for battery voltage monitoring and temperature sensing in automotive ECUs. |
| CAN Interface | Scalable Controller Area Network (S12MSCANV2) compliant with ISO 11898-1; supports 1 Mbit/s operation and message filtering for multi-node vehicle networks. |
| PWM | Two independent 8-bit PWM modules (PWM8B6CV1); provide complementary outputs with dead-time insertion for BLDC motor gate drive. |
| Debug Interface | Background Debug Module (BDMV4) with single-wire BKGD pin; enables non-intrusive flash programming and real-time variable inspection during system operation. |
Pinout & Package
MC9S12GC64MFAE is housed in a 48-pin QFP (MFAE package), measuring 7 mm × 7 mm with 0.5 mm pitch. The package supports standard reflow soldering and provides dedicated power/ground pairs for analog (VDDA/VSSA) and digital (VDD/VSS) domains to minimize noise coupling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital supply and ground | Primary power domain for CPU, peripherals, and I/O; requires local 100 nF decoupling per pair near the package corner. |
| VDDA, VSSA | Analog supply and ground | Isolated power for ADC reference and input circuitry; must be filtered separately to maintain ≥9.5 ENOB performance. |
| RESET | Active-low reset input | Asynchronous reset assertion halts CPU, clears registers, and forces boot vector fetch; compatible with external RC or supervisor IC timing. |
| BKGD | Background debug serial I/O | Single-wire bidirectional interface for BDM communication; requires 10 kΩ pull-up and supports baud rates up to 115.2 kbps. |
| CANH / CANL | CAN differential bus terminals | Direct connection to ISO 11898-compliant transceiver; internal termination resistors disabled - external 120 Ω required at network ends. |
| PORT A (PA0–PA7) | General-purpose I/O with interrupt capability | Configurable as digital inputs/outputs or ADC channel inputs (AN0–AN7); PA0–PA3 support edge-triggered interrupts for wake-up from STOP mode. |
Key Features
| Feature | Design Value |
|---|---|
| EEPROM Emulation | 512 B of Flash configured as wear-leveled EEPROM using built-in routines; eliminates need for external serial EEPROM in cost-sensitive automotive modules. |
| CAN Message Filtering | Hardware-based acceptance filtering with 8 full-CAN ID masks and 32 message buffers; reduces CPU load by >70% vs. software-only filtering in gateway applications. |
| Low-Power STOP Mode | Typical current draw <10 µA with RTC and CAN wake-up enabled; meets ISO 14229-3 sleep current requirements for always-on vehicle nodes. |
| ADC Auto-Scan | Hardware-triggered sequential conversion across up to 8 channels without CPU intervention; enables synchronized sampling of battery, temp, and throttle signals. |
| Modular Timer System | 16-bit TIM module with 8 input-capture/output-compare channels and programmable prescaler; supports quadrature decoding and precise pulse-width measurement. |
Applications
| Body Control Module (BCM) | Engine Coolant Fan Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and mirrors in passenger vehicles. IC Role / Device Role / Timing Role: Main system controller executing LIN/CAN gateway logic, sensor polling, and actuator drive sequencing. Use Value: Integrated CAN and 8-channel ADC reduce BOM count by eliminating discrete transceivers and external ADCs while meeting ASIL-A functional safety requirements. |
Use Scenario: Closed-loop PWM control of brushless DC cooling fans based on coolant temperature and engine RPM. IC Role / Device Role / Timing Role: Real-time motor controller with ADC feedback, PWM generation, and CAN status reporting. Use Value: Dual PWM modules with dead-time insertion enable safe high-side/low-side FET switching; 50 MHz bus ensures <50 µs loop update for thermal protection. |
| Smart Junction Box | Industrial PLC I/O Module |
Use Scenario: Distributed power distribution and diagnostics in 12 V vehicle electrical architectures. IC Role / Device Role / Timing Role: Load switch supervisor with current sensing, short-circuit detection, and CAN fault reporting. Use Value: On-chip voltage regulator (VREG3V3V2) powers internal logic and external CAN transceiver; 4 KB RAM stores diagnostic logs across ignition cycles. |
Use Scenario: DIN-rail mounted remote I/O node collecting analog sensor data and driving solenoids in factory automation. IC Role / Device Role / Timing Role: Fieldbus endpoint with CANopen protocol stack and deterministic I/O scanning. Use Value: BDM debug interface enables field firmware updates without removing the module; 64 KB Flash accommodates dual-bank bootloader and application code. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12GC32MFAE | 32 KB Flash, same 48-pin QFP package and peripheral set; identical pinout and register map. | Lower memory capacity limits complex CAN message buffering and larger application code size. | Select when application firmware fits within 32 KB and cost reduction is prioritized over future scalability. |
| S912ZVL64F0MLFR | S12Z core upgrade with enhanced CAN FD support, 64 KB Flash, and improved EMI immunity; pin-compatible but requires updated toolchain. | Supports higher bandwidth CAN FD messaging and meets stricter automotive EMC standards (ISO 11452-2). | Choose for new designs targeting CAN FD migration or enhanced robustness in high-noise engine compartments. |
Compared with MC9S12GC32MFAE, the MC9S12GC64MFAE provides double Flash capacity for larger control algorithms and diagnostics, while S912ZVL64F0MLFR offers next-generation CAN FD and S12Z core enhancements - making MC9S12GC64MFAE optimal for mature HCS12-based platforms needing memory headroom without architectural change.
Availability
MC9S12GC64MFAE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and smart junction box applications requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.
Supply support for MC9S12GC64MFAE 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 markets, with deep heritage in microcontroller innovation dating back to Motorola's 68HC12 lineage.
The MC9S12GC family was engineered specifically for cost-sensitive automotive body control and industrial embedded applications, emphasizing CAN integration, EEPROM emulation, and BDM debug reliability in harsh environments.
FAQ
What is the maximum operating frequency of the MC9S12GC64MFAE?
The MC9S12GC64MFAE supports a maximum bus clock frequency of 50 MHz, achieved via its internal Phase-Locked Loop (PLL) that multiplies an external crystal or oscillator input. This frequency enables sub-microsecond interrupt response and real-time control loop execution critical for automotive actuator applications. The PLL configuration is managed through the CRG module registers documented in Chapter 9 of the reference manual.
Does the MC9S12GC64MFAE include a hardware CAN controller?
Yes, the MC9S12GC64MFAE integrates a fully compliant Scalable Controller Area Network (S12MSCANV2) module supporting CAN 2.0A/B protocols at up to 1 Mbit/s. It features 32 message buffers, hardware ID filtering, and automatic retransmission - all implemented in dedicated silicon without CPU overhead. This makes the MC9S12GC64MFAE suitable for automotive network nodes where deterministic CAN communication is required.
How is debug functionality implemented on the MC9S12GC64MFAE?
Debug functionality on the MC9S12GC64MFAE is provided by the Background Debug Module (BDMV4), accessed via a single BKGD pin using a UART-like serial protocol. This allows full flash programming, breakpoint setting, and real-time register inspection without requiring JTAG pins or additional debug headers. The BDM interface is supported by standard Freescale/NXP Codewarrior and S32DS toolchains.
Can the MC9S12GC64MFAE emulate EEPROM without external components?
Yes, the MC9S12GC64MFAE supports EEPROM emulation using dedicated routines in its 64 KB Flash memory, allocating 512 B for wear-leveled non-volatile data storage. This eliminates the need for external serial EEPROM chips in applications such as calibration storage, odometer logging, or fault history retention - reducing BOM cost and PCB area while maintaining data integrity across power cycles.
What power-saving modes does the MC9S12GC64MFAE support?
The MC9S12GC64MFAE supports RUN, WAIT, and STOP low-power modes. In STOP mode, current consumption drops below 10 µA while retaining RAM content and enabling wake-up via CAN activity, timer overflow, or external interrupt. This behavior meets automotive standby current specifications and extends battery life in always-on vehicle modules like door controllers and sensor nodes.
MC9S12GC64MFAE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- EBI/EMI, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC64MFAE FAQ
1.How can I place an order for MC9S12GC64MFAE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC64MFAE 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 MC9S12GC64MFAE reliable?
The price and inventory of MC9S12GC64MFAE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC64MFAE is usually 5 days.
3.What payment methods are accepted for MC9S12GC64MFAE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC64MFAE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12GC64MFAE?
MC9S12GC64MFAE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC64MFAE 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 MC9S12GC64MFAE?
For technical support, including MC9S12GC64MFAE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC64MFAE requirements.
6.How does Aetrix verify that MC9S12GC64MFAE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC64MFAE 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 MC9S12GC64MFAE meets industry standards.
7.What is the process for return or replacement of MC9S12GC64MFAE?
All MC9S12GC64MFAE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC64MFAE, 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 MC9S12GC64MFAE part is unused and in its original packaging.
Return procedure for MC9S12GC64MFAE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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