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NXP Semiconductors MC9S12GC64CFAE
- Part No.:
- MC9S12GC64CFAE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MC9S12GC64CFAE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,457
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Product details
Overview
MC9S12GC64CFAE from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 64 KB on-chip Flash memory, 4 KB RAM, and integrated CAN 2.0A/B controller, PWM, 10-bit 8-channel ADC, and background debug module. It operates at up to 25 MHz core frequency with internal PLL clock generation and supports automotive-grade temperature range (–40°C to +85°C) in a 64-pin LQFP package.
For engineers reviewing the MC9S12GC64CFAE datasheet, MC9S12GC64CFAE pinout, MC9S12GC64CFAE application, or MC9S12GC64CFAE equivalent, key selection criteria include its S12 CPU core architecture, CAN interface timing compliance, Flash endurance (10k erase/write cycles), BDM debug support, and qualification per AEC-Q100 Grade 2 for under-hood automotive control units.
Technical Context
The MC9S12GC64CFAE implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. It integrates a scalable CAN controller (S12MSCANV2) supporting bit rates up to 1 Mbps and message filtering via 16 acceptance masks and 32 buffers.
Its clock system includes a PLL-based frequency synthesizer (CRGV4), dual voltage regulator (VREG3V3V2), and real-time interrupt (RTI) module. Memory mapping uses PPAGE register banking for extended addressing, and external bus interface (MEBIV3) supports multiplexed 16-bit data/16-bit address expansion with wait-state control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 CPU12 - 16-bit CISC core with 24-bit addressing, enabling >64 KB memory access via PPAGE banking. |
| Flash Memory | 64 KB on-chip Flash (S12FTS64KV4) - supports in-circuit programming, 10k erase/write cycles, and 128-byte sector erase. |
| RAM | 4 KB on-chip RAM - used for stack, variables, and CAN message buffers; retains data in STOP mode with VDD powered. |
| CAN Interface | S12MSCANV2 controller - fully compliant with ISO 11898-1, supports CAN 2.0A/B, 1 Mbps max bit rate, and hardware message filtering. |
| ADC | ATD10B8C - 10-bit, 8-channel successive-approximation ADC with programmable sample time, conversion trigger options, and 8-channel scan mode. |
| PWM | PWM8B6CV1 - 8-bit, 6-channel PWM with center-aligned and edge-aligned modes, dead-time insertion, and independent channel control. |
| Operating Temperature | –40°C to +85°C - qualified per AEC-Q100 Grade 2, suitable for engine control, body electronics, and chassis modules. |
Pinout & Package
MC9S12GC64CFAE is housed in a 64-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per MC9S12C/GC Family Reference Manual Rev 01.24, Appendix C and Section 1.3.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / Ground | Dual power domains: VDD/VSS for digital logic (3.3 V ±0.3 V); separate VDDA/VSSA for analog subsystem (ADC reference stability). |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers, disables peripherals, and forces boot vector fetch; debounced internally. |
| BKGD | Background debug pin | Single-wire serial interface for BDMV4 module - enables non-intrusive flash programming, breakpoint setting, and register inspection. |
| CANH / CANL | CAN differential bus lines | Direct connection to ISO 11898-compliant transceiver; integrated CAN controller handles arbitration, error detection, and retransmission automatically. |
| PORTA[7:0] | General-purpose I/O / Analog inputs | Configurable as digital I/O or ADC input channels AN0–AN7; internal pull-ups enabled by default after reset. |
| PORTB[7:0] | General-purpose I/O / PWM outputs | Supports PWM8B6CV1 channel outputs (PB0–PB5), timer capture/compare, and external interrupt sources (IRQ, XIRQ). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Hardware message buffering (32 mailboxes), acceptance filtering (16 masks), and automatic retransmission reduce CPU overhead in multi-node networks. |
| Background Debug Module (BDM) | On-chip BDMV4 enables full-speed debugging without emulator pod; supports flash erase/program, register read/write, and real-time trace via BKGD pin. |
| Programmable PLL Clock Synthesizer | CRGV4 generates stable 25 MHz core clock from 4–8 MHz crystal; eliminates need for external high-frequency oscillator in cost-sensitive designs. |
| Low-Power STOP Mode | Current draw <10 µA with RTC active; wake-up via CAN message, external interrupt, or RTI - ideal for battery-powered telematics modules. |
| Flash Security Lock | On-chip security byte prevents unauthorized read-out of Flash contents; triggers mass erase on illegal access attempt - meets basic automotive IP protection requirements. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor signals in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary MCU executing fuel injection timing, spark advance calculation, and CAN-based OBD-II diagnostics reporting. Use Value: 10-bit ADC resolution ensures precise sensor quantization; CAN controller handles diagnostic request/response traffic at 500 kbps without CPU intervention. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and mirror adjustment in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: Main controller managing LIN slave coordination and CAN gateway functions between powertrain and body networks. Use Value: 64 KB Flash accommodates firmware for multiple LIN protocols; PWM outputs drive motor drivers for window lifters with variable speed control. |
| Electronic Parking Brake (EPB) | Heating/Ventilation Control Unit |
Use Scenario: Closed-loop actuation of parking brake calipers using dual-redundant motor drivers and position feedback. IC Role / Device Role / Timing Role: Safety-critical controller implementing ASIL-B logic per ISO 26262; monitors brake pad wear and motor current limits. Use Value: AEC-Q100 Grade 2 rating validates operation at 105°C junction temperature; BDM debug support enables post-deployment firmware updates. |
Use Scenario: Climate control panel integrating ambient temperature sensing, fan speed regulation, and HVAC actuator positioning. IC Role / Device Role / Timing Role: Dedicated MCU handling user interface polling, PID-based blower motor control, and CAN command parsing from head unit. Use Value: Integrated 8-channel ADC reads thermistors and potentiometers directly; PWM outputs drive DC fans with 8-bit resolution and 20 kHz switching frequency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12GC32CFAE | 32 KB Flash, 2 KB RAM - identical peripheral set and pinout, but reduced memory capacity. | Suitable for simpler body electronics with smaller firmware footprint; not recommended for complex ECU algorithms requiring >48 KB code space. | Select when BOM cost reduction is prioritized and application fits within 32 KB Flash with margin. |
| S912XEG128J2MAG | Enhanced S12X core, 128 KB Flash, 8 KB RAM, enhanced CAN FD support, and higher max frequency (50 MHz). | Required for next-generation platforms needing CAN FD data transfer, larger OTA update partitions, or advanced motor control math. | Choose for forward-looking designs where lifecycle extension, CAN FD readiness, and computational headroom justify higher cost. |
Compared with MC9S12GC32CFAE, the MC9S12GC64CFAE provides double Flash/RAM for complex control logic and calibration tables; versus S912XEG128J2MAG, it offers proven AEC-Q100 qualification at lower cost and power, but lacks CAN FD and advanced debugging features.
Availability
MC9S12GC64CFAE is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, and electronic parking brake systems requiring stable component supply across long production lifecycles.
Supply support for MC9S12GC64CFAE 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 acquired Freescale in 2015 and maintains full support for the HCS12 portfolio, including documentation, tools, and long-term supply commitments for automotive-grade microcontrollers.
The MC9S12GC family was designed specifically for cost-sensitive, safety-aware automotive applications such as powertrain sensors, lighting control, and chassis modules requiring CAN connectivity and AEC-Q100 compliance.
FAQ
What is the maximum operating frequency of the MC9S12GC64CFAE?
The MC9S12GC64CFAE achieves a maximum core frequency of 25 MHz using its internal PLL clock generator (CRGV4). This is derived from an external 4–8 MHz crystal oscillator input, multiplied via PLL to meet timing requirements for real-time control loops and CAN communication at up to 1 Mbps. The MC9S12GC64CFAE maintains this performance across its full –40°C to +85°C operating range.
Does the MC9S12GC64CFAE support in-circuit debugging without external hardware?
Yes, the MC9S12GC64CFAE includes an integrated Background Debug Module (BDMV4) accessible via the single BKGD pin. This allows full-speed debugging, flash programming, register inspection, and breakpoint setting using only a standard BDM interface cable - no external emulator pod or JTAG adapter is required. The MC9S12GC64CFAE's BDM implementation is fully compatible with CodeWarrior Development Studio v5.1+.
Is the MC9S12GC64CFAE qualified for automotive use?
Yes, the MC9S12GC64CFAE is qualified per AEC-Q100 Grade 2 (–40°C to +105°C case temperature), making it suitable for under-hood and cabin applications including engine control, transmission control, and body electronics. Its design includes built-in watchdog (COP), clock monitor (CM), and Flash security features aligned with automotive functional safety expectations. The MC9S12GC64CFAE has been widely deployed in Tier-1 ECU designs since 2007.
How many CAN message buffers does the MC9S12GC64CFAE support?
The MC9S12GC64CFAE integrates the S12MSCANV2 controller, which provides 32 individually configurable message buffers (mailboxes) and 16 acceptance filter masks. This enables flexible reception and transmission scheduling - for example, dedicating 8 buffers to diagnostic messages (OBD-II), 12 to sensor data, and 12 to actuator commands - all handled in hardware without CPU polling. The MC9S12GC64CFAE's CAN module supports both standard (11-bit) and extended (29-bit) identifiers.
What development tools are officially supported for the MC9S12GC64CFAE?
NXP officially supports the MC9S12GC64CFAE with CodeWarrior Development Studio for HCS12 v5.1 and later, including device-specific initialization wizards, BDM driver support, and CAN analysis plugins. Hardware tools include the USB-ML-12 universal BDM interface and DEMO9S12GC64 evaluation board. The MC9S12GC64CFAE is also supported by third-party tools like PEmicro Cyclone programmers and iSYSTEM winIDEA debugger.
MC9S12GC64CFAE 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12GC64CFAE FAQ
1.How can I place an order for MC9S12GC64CFAE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12GC64CFAE 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 MC9S12GC64CFAE reliable?
The price and inventory of MC9S12GC64CFAE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12GC64CFAE is usually 5 days.
3.What payment methods are accepted for MC9S12GC64CFAE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12GC64CFAE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12GC64CFAE?
MC9S12GC64CFAE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12GC64CFAE 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 MC9S12GC64CFAE?
For technical support, including MC9S12GC64CFAE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12GC64CFAE requirements.
6.How does Aetrix verify that MC9S12GC64CFAE is sourced from the original manufacturer or authorized distributors?
All MC9S12GC64CFAE 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 MC9S12GC64CFAE meets industry standards.
7.What is the process for return or replacement of MC9S12GC64CFAE?
All MC9S12GC64CFAE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12GC64CFAE, 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 MC9S12GC64CFAE part is unused and in its original packaging.
Return procedure for MC9S12GC64CFAE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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