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NXP Semiconductors MC9S12D64CFUER
- Part No.:
- MC9S12D64CFUER
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-QFP
- Datasheet:
-
MC9S12D64CFUER.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 80QFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,435
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Product details
Overview
MC9S12D64CFUER from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 64 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz bus frequency, supports 5V I/O tolerance, and features dual ATD converters (8-channel + 8-channel), 16-bit ECT timer, and background debug interface. It targets automotive body control modules requiring deterministic real-time response and CAN network integration.
For engineers reviewing the MC9S12D64CFUER datasheet, MC9S12D64CFUER pinout, MC9S12D64CFUER application, or MC9S12D64CFUER equivalent, key selection criteria include its 80-pin QFP package, single-supply 5V operation, CAN 2.0B compliance, 10-bit ATD resolution with simultaneous sampling capability, and support for BDM-based in-circuit debugging without external emulator hardware.
Technical Context
The MC9S12D64CFUER implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its clock system integrates a PLL with programmable multiplication factor (1–32×) and selectable oscillator source (crystal, ceramic resonator, or external clock).
Memory subsystem includes 64 KB of user-programmable Flash organized in 512-byte sectors, 4 KB of SRAM, and 1 KB EEPROM emulated in Flash. Peripheral set comprises two independent ATD converters (ATD0/ATD1), 16-bit enhanced capture timer (ECT), 8-channel PWM, SPI, SCI ×2, I²C, and MSCAN module with full CAN 2.0B protocol support including message buffering and ID filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and HC12 instruction compatibility |
| Max Bus Frequency | 25 MHz - determines maximum peripheral timing and interrupt latency |
| Flash Memory | 64 KB - supports in-application programming and sector erase for firmware updates |
| RAM Size | 4 KB - sufficient for real-time task stacks, CAN message buffers, and sensor data processing |
| ADC Resolution | 10-bit ATD0/ATD1 - enables precise analog sensing of battery voltage, temperature, and potentiometer inputs |
| CAN Interface | MSCAN module compliant with ISO 11898-1:2003 - provides robust automotive network communication with error confinement |
| I/O Voltage | 5V-tolerant digital I/O - simplifies interface with legacy automotive sensors and actuators without level-shifting |
Pinout & Package
MC9S12D64CFUER is housed in an 80-pin Quad Flat Package (QFP), RoHS-compliant, with 0.65 mm lead pitch and 12 × 12 mm body size (case number 841B). The package supports standard surface-mount reflow assembly and provides dedicated power/ground pairs for noise suppression.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous hardware reset with internal pull-up; initiates cold start sequence and register initialization |
| BKGD / TAGHI / MODC | Background debug / mode control | Single-wire BDM interface for flash programming and real-time debugging; also selects boot mode |
| VDDX, VSSX | I/O power supply pair | 5V supply for all digital I/O ports; decoupling required per layout guidelines to suppress switching noise |
| VDDA, VSSA | Analog power supply pair | Separate 5V analog domain for ATD converters and voltage regulator reference; critical for ADC accuracy |
| PJ7 / TXCAN0 | CAN transmit output | Direct connection to CAN transceiver TXD pin; requires current-limiting resistor per ISO 11898 |
| PJ6 / RXCAN0 | CAN receive input | Direct connection to CAN transceiver RXD pin; high-impedance input with internal filtering |
| EXTAL / XTAL | Oscillator crystal terminals | Supports Pierce configuration with external 4–8 MHz crystal; PE7 controls oscillator mode selection |
Key Features
| Feature | Design Value |
|---|---|
| Dual 10-bit ATD converters | ATD0 (8 channels) and ATD1 (8 channels) with simultaneous sampling enable synchronized multi-sensor acquisition for motor control or battery monitoring |
| MSCAN module | Full CAN 2.0B controller with 15 message buffers, ID filtering, and automatic retransmission - eliminates need for external CAN controller in body electronics |
| Background Debug (BDM) | On-chip single-wire debug interface supporting flash erase/program, breakpoint insertion, and real-time register inspection without halting system clocks |
| EEPROM emulation | 1 KB of data storage emulated in Flash using wear-leveling algorithms - retains calibration data across power cycles without external EEPROM |
| Low-power modes | Stop, Pseudo-Stop, and Wait modes with configurable wake-up sources (CAN, IRQ, RTC) - reduces quiescent current to ≤100 µA in Stop mode |
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 real-time control logic, polling switches, driving relays/LEDs, and communicating via CAN to gateway and instrument cluster. Use Value: Integrated CAN, dual ATD, and 64 KB Flash allow consolidation of discrete functions into one cost-optimized SoC with field-upgradable firmware. |
Use Scenario: Auxiliary engine subsystem handling throttle actuator control, coolant fan speed regulation, and diagnostic OBD-II reporting. IC Role / Device Role / Timing Role: Secondary controller interfacing with main ECU via CAN, performing closed-loop PWM control with 10-bit feedback resolution. Use Value: 16-bit ECT timer and 8-channel PWM provide precise timing for motor drive signals; 5V I/O tolerance simplifies interface with existing 5V sensor networks. |
| Industrial Motor Drive Controller | Commercial Vehicle Telematics Gateway |
Use Scenario: Low-cost variable-frequency drive for pumps and conveyors in factory automation systems. IC Role / Device Role / Timing Role: Real-time motion controller acquiring encoder pulses via ECT, reading analog feedback via ATD, and generating phase-shifted PWM outputs. Use Value: Simultaneous sampling across ATD0/ATD1 ensures accurate current/voltage vector measurement; BDM enables field calibration without disassembly. |
Use Scenario: CAN-to-cellular gateway aggregating J1939 and CAN 2.0B messages from truck chassis systems for remote fleet monitoring. IC Role / Device Role / Timing Role: Protocol translator and message router managing multiple CAN buses, buffering telemetry, and triggering cellular transmission on event. Use Value: Dual CAN interfaces (MSCAN + optional software-emulated second port) support multi-bus architecture; 4 KB RAM accommodates packet queuing and encryption overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S912XDP512J1MAL | 32-bit S12X core, 512 KB Flash, 32 KB RAM, higher performance but larger footprint and higher power | Targeted at advanced powertrain or ADAS edge nodes requiring faster math execution and larger code space | Select when >25 MHz bus speed, floating-point acceleration, or expanded memory is required; not pin-compatible |
| MC9S12XEP100CAL | Enhanced S12X derivative with XGATE coprocessor, 1 MB Flash, Ethernet MAC, and LIN support | Designed for next-gen vehicle domains integrating LIN, CAN FD, and Ethernet; requires different toolchain | Choose for future-proofing with scalable peripherals; incompatible debug interface and memory map |
Compared with S912XDP512J1MAL and MC9S12XEP100CAL, the MC9S12D64CFUER delivers optimal cost-performance balance for mature 5V automotive platforms where proven reliability, BDM simplicity, and CAN 2.0B compliance outweigh raw compute throughput or protocol expansion.
Availability
MC9S12D64CFUER is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and commercial telematics gateways requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified silicon.
Supply support for MC9S12D64CFUER 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 semiconductor division.
The MC9S12D64CFUER belongs to the HCS12 family, engineered specifically for cost-sensitive, safety-critical automotive applications demanding deterministic real-time behavior, robust EMC performance, and seamless integration with legacy 5V sensor ecosystems.
FAQ
What is the maximum operating frequency of the MC9S12D64CFUER?
The MC9S12D64CFUER supports a maximum bus clock frequency of 25 MHz, achieved via its on-chip PLL with programmable multiplication factor. This frequency governs all peripheral timing-including ATD conversion rate, ECT timer resolution, and CAN bit timing-and is validated across the full industrial temperature range (−40°C to +125°C) with proper decoupling and layout adherence.
Does the MC9S12D64CFUER support CAN FD?
No, the MC9S12D64CFUER implements the MSCAN module compliant only with CAN 2.0B (ISO 11898-1:2003), supporting data rates up to 1 Mbps and 11-/29-bit identifiers. It does not support CAN FD features such as flexible data-rate switching, extended payload length, or CRC enhancements. For CAN FD, consider NXP's S32K series.
How is flash programming performed on the MC9S12D64CFUER?
Flash programming on the MC9S12D64CFUER is performed via the single-wire Background Debug (BDM) interface using standard Freescale/NXP BDM tools. The device supports in-application programming (IAP) through its built-in Flash command interface, enabling firmware updates without external programmers. Sector erase and byte/word write operations are controlled by dedicated registers with security lock bits.
What are the power supply requirements for the MC9S12D64CFUER?
The MC9S12D64CFUER requires three independent power domains: VDDX/VSSX (5V ±10% for I/O), VDDA/VSSA (5V ±10% for analog circuits), and VDDPLL/VSSPLL (2.35–2.75V for PLL core). Separate decoupling capacitors (100 nF ceramic + 10 µF tantalum) are mandatory per domain, and VDDA must be powered before VDDX to prevent ATD latch-up during startup.
Is the MC9S12D64CFUER pin-compatible with other HCS12 derivatives?
The MC9S12D64CFUER in 80-pin QFP shares identical pinout with MC9S12D32CFUER and MC9S12DJ64CFUER, enabling drop-in replacement within the same package variant. However, it is not compatible with 112-pin LQFP variants (e.g., MC9S12D64CPVE) due to differing pin assignments and signal multiplexing-PCB redesign is required for migration between packages.
MC9S12D64CFUER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-QFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 59
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 5.25V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12D64CFUER FAQ
1.How can I place an order for MC9S12D64CFUER through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12D64CFUER 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 MC9S12D64CFUER reliable?
The price and inventory of MC9S12D64CFUER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12D64CFUER is usually 5 days.
3.What payment methods are accepted for MC9S12D64CFUER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12D64CFUER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12D64CFUER?
MC9S12D64CFUER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12D64CFUER 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 MC9S12D64CFUER?
For technical support, including MC9S12D64CFUER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12D64CFUER requirements.
6.How does Aetrix verify that MC9S12D64CFUER is sourced from the original manufacturer or authorized distributors?
All MC9S12D64CFUER 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 MC9S12D64CFUER meets industry standards.
7.What is the process for return or replacement of MC9S12D64CFUER?
All MC9S12D64CFUER units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12D64CFUER, 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 MC9S12D64CFUER part is unused and in its original packaging.
Return procedure for MC9S12D64CFUER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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