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NXP Semiconductors MC9S12D64MPV
- Part No.:
- MC9S12D64MPV
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12D64MPV.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,742
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Product details
Overview
MC9S12D64MPV from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 64 KB on-chip Flash, 4 KB RAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz bus frequency with 5 V tolerant I/O, supports background debug mode (BDM), and targets automotive body control modules requiring deterministic real-time response and robust communication.
For engineers reviewing the MC9S12D64MPV datasheet, MC9S12D64MPV pinout, MC9S12D64MPV application, or MC9S12D64MPV equivalent, this page delivers verified technical context, validated pin functions, confirmed package mapping (80-pin QFP), and two documented alternative derivatives for automotive embedded design evaluation.
Technical Context
The MC9S12D64MPV implements the HCS12 CPU12 core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its memory subsystem includes 64 KB Flash with EEPROM emulation, 4 KB RAM, and configurable memory mapping via MMC registers.
System timing is managed by the CRG block, combining an internal oscillator (with external crystal or ceramic resonator support), PLL for bus clock multiplication, and multiple low-power modes (Stop, Pseudo-Stop, Wait). The device integrates MSCAN for ISO 11898-compliant CAN communication, dual 10-bit ATD converters (ATD0/ATD1), and 8-channel PWM with center-aligned capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and HC12 instruction compatibility |
| Flash Memory | 64 KB on-chip Flash with 100K write/erase cycles and 10-year data retention |
| RAM Size | 4 KB on-chip RAM, accessible in all operating modes including Wait and Stop |
| Bus Frequency | Up to 25 MHz - determines maximum instruction throughput and peripheral timing resolution |
| I/O Voltage Tolerance | 5 V tolerant inputs with 3.3 V or 5 V supply - enables direct interfacing with legacy automotive sensors and actuators |
| CAN Interface | One MSCAN module compliant with ISO 11898-1 (CAN 2.0B active), supporting 1 Mbit/s operation |
| ADC Resolution | Dual 10-bit ATD converters (ATD0 and ATD1), each with 8/16-channel multiplexed input and programmable sample time |
Pinout & Package
MC9S12D64MPV is packaged in an 80-pin Quad Flat Package (QFP), RoHS-compliant, with 0.5 mm pitch and exposed thermal pad. Pin assignments follow the 80-pin QFP layout defined in Figure 2-2 of the MC9S12DJ64 Device User Guide (V01.20).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous hardware reset; initiates cold start sequence and register initialization |
| BKGD / TAGHI / MODC | Background debug and mode selection | Single-wire BDM interface for programming/debugging; also selects boot mode during reset |
| EXTAL / XTAL | Oscillator input/output | Connects to external crystal/resonator (1–8 MHz); forms Pierce oscillator with internal inverter |
| VDDX, VSSX | I/O power supply pair | Supplies 5 V to all general-purpose I/O ports; decoupling required per Section 2.4.1 |
| VDDA, VSSA | Analog reference supply pair | Provides clean 5 V for ATD converters and voltage regulator; must be isolated from digital noise |
| PJ6 / RXCAN0 | CAN receive input | High-impedance differential receiver input for CAN bus; requires external termination resistor |
| PJ7 / TXCAN0 | CAN transmit output | Open-drain driver output for CAN bus; paired with PJ6 for full-duplex CAN 2.0B operation |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates internal 2.5 V supply for core logic; enabled via VREGEN pin - reduces external component count |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint setting, and real-time register inspection without halting system clocks |
| Memory protection and security | Flash security byte prevents unauthorized read-out; unsecuring requires mass erase - protects firmware IP in production units |
| Flexible clock generation | Configurable PLL with selectable multiplication factor (×1 to ×32); supports crystal, resonator, or external clock source |
| Enhanced Capture Timer (ECT) | 16-bit timer with four input capture channels, four output compare channels, and pulse accumulator - ideal for motor speed sensing and PWM generation |
Applications
| Body Control Module (BCM) | Powertrain Sensor Interface |
|---|---|
|
Use Scenario: Centralized control of lighting, door locks, window lifts, and wiper systems in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, managing LIN/CAN gateway functions, and processing analog sensor inputs. Use Value: Integrated CAN, 10-bit ATD, and 5 V I/O tolerance eliminate level-shifting components and reduce BOM cost in 12 V automotive environments. |
Use Scenario: Signal conditioning and preprocessing for engine temperature, throttle position, and manifold pressure sensors. IC Role / Device Role / Timing Role: Analog front-end processor with synchronized sampling across dual ATD modules and precise timing via ECT. Use Value: Dual 10-bit ATD converters with programmable sample-and-hold enable simultaneous multi-sensor acquisition critical for closed-loop engine control. |
| Instrument Cluster Controller | Seat/Mirror Position Memory System |
|
Use Scenario: Driving analog gauges, LCD displays, and warning indicators using CAN message reception and local actuation. IC Role / Device Role / Timing Role: Real-time display controller with interrupt-driven CAN message handling and PWM-based backlight dimming. Use Value: 8-channel PWM with center-aligned mode provides flicker-free, low-noise LED/LCD backlight control while freeing CPU cycles for CAN parsing. |
Use Scenario: Storing and recalling seat/mirror positions using non-volatile memory and user-triggered EEPROM writes. IC Role / Device Role / Timing Role: EEPROM-emulated Flash controller with wear-leveling routines and secure parameter storage. Use Value: On-chip 64 KB Flash with 100K endurance cycles enables reliable parameter logging without external EEPROM - simplifies PCB layout and improves reliability. |
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 |
|---|---|---|---|
| MC9S12DJ64CPV | Same core, 64 KB Flash, but includes J1850 BDLC interface instead of second CAN channel; no MSCAN block | Suitable for GM-specific vehicle networks requiring J1850 protocol; lacks CAN 2.0B compliance | Select when BDLC is mandatory and CAN is not required; verify protocol stack compatibility |
| MC9S12D32MPV | Identical pinout and architecture, but reduced to 32 KB Flash and 2 KB RAM; same 80-pin QFP package | Targeted at cost-sensitive modules with smaller firmware footprint and lower memory requirements | Drop-in replacement if code size ≤32 KB and RAM usage ≤2 KB; no PCB change needed |
Compared with MC9S12D64MPV, MC9S12DJ64CPV trades CAN capability for J1850 support - limiting use to legacy GM platforms - while MC9S12D32MPV offers identical form-factor and software compatibility at half the memory capacity, enabling scalable design reuse across product tiers.
Availability
MC9S12D64MPV is available at Aetrix Electronics and suitable for automotive body electronics, powertrain interface modules, and instrument cluster designs requiring stable component supply, long-term lifecycle support, and AEC-Q100-qualified sourcing.
Supply support for MC9S12D64MPV 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.
The MC9S12D64MPV belongs to the HCS12 family, designed specifically for cost-sensitive, high-reliability automotive embedded control applications where CAN communication, analog integration, and debug flexibility are essential.
FAQ
What is the maximum bus frequency supported by the MC9S12D64MPV?
The MC9S12D64MPV supports a maximum bus frequency of 25 MHz, achieved via its on-chip PLL configured with appropriate external crystal and loop filter components. This frequency determines instruction execution speed, peripheral timing resolution, and CAN bit rate accuracy. The PLL allows flexible clock scaling from 1–8 MHz crystal inputs to meet system timing requirements without external clock generators.
Does the MC9S12D64MPV include an integrated CAN controller?
Yes, the MC9S12D64MPV integrates one MSCAN module compliant with ISO 11898-1 (CAN 2.0B active), supporting data rates up to 1 Mbit/s. It features 15 message buffers, programmable acceptance filtering, and automatic retransmission. Pins PJ6 (RXCAN0) and PJ7 (TXCAN0) are dedicated to CAN physical layer interfacing and require external transceiver and termination.
How is debug and programming performed on the MC9S12D64MPV?
Debug and programming of the MC9S12D64MPV is performed via the single-wire Background Debug Mode (BDM) interface using the BKGD / TAGHI / MODC pin. This allows flash programming, real-time register inspection, and breakpoint execution without halting the main system clock. A standard BDM pod or compatible debugger (e.g., P&E Micro Cyclone) is required for development and field updates.
What are the memory resources available on the MC9S12D64MPV?
The MC9S12D64MPV provides 64 KB of on-chip Flash memory for program storage and 4 KB of RAM for runtime variables and stack. Flash endurance is rated at 100,000 write/erase cycles with 10-year data retention. The device also supports EEPROM emulation in Flash, enabling parameter storage without external non-volatile memory.
Is the MC9S12D64MPV pin-compatible with other HCS12 derivatives?
Yes, the MC9S12D64MPV in 80-pin QFP is pin-compatible with MC9S12D32MPV and MC9S12DJ64CPV. All share identical mechanical footprint, power pin locations, and core peripheral pin assignments (e.g., CAN, BDM, reset, oscillator). Functional differences - such as CAN vs. J1850 or Flash size - do not affect PCB layout, enabling hardware reuse across variants.
MC9S12D64MPV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 91
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12D64MPV FAQ
1.How can I place an order for MC9S12D64MPV through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12D64MPV 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 MC9S12D64MPV reliable?
The price and inventory of MC9S12D64MPV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12D64MPV is usually 5 days.
3.What payment methods are accepted for MC9S12D64MPV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12D64MPV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12D64MPV?
MC9S12D64MPV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12D64MPV 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 MC9S12D64MPV?
For technical support, including MC9S12D64MPV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12D64MPV requirements.
6.How does Aetrix verify that MC9S12D64MPV is sourced from the original manufacturer or authorized distributors?
All MC9S12D64MPV 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 MC9S12D64MPV meets industry standards.
7.What is the process for return or replacement of MC9S12D64MPV?
All MC9S12D64MPV units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12D64MPV, 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 MC9S12D64MPV part is unused and in its original packaging.
Return procedure for MC9S12D64MPV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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