NXP Semiconductors MC9S12E64CPV
- Part No.:
- MC9S12E64CPV
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12E64CPV.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 112LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MC9S12E64CPV from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 64 KB on-chip Flash, 4 KB RAM, and integrated peripherals including 10-bit 16-channel ADC, dual 8-bit DACs, PWM with fault protection, SPI, I²C, and three SCI modules. It operates at up to 25 MHz bus speed and targets automotive body control, industrial sensor nodes, and embedded motor control systems.
For engineers reviewing the MC9S12E64CPV datasheet, MC9S12E64CPV pinout, MC9S12E64CPV application, or MC9S12E64CPV equivalent, this page delivers verified technical context, package mapping, functional pin roles, real-world use cases, and validated alternative options for design-in and long-term supply planning.
Technical Context
The MC9S12E64CPV implements the HCS12 CPU12 core with 16-bit data path, 24-bit addressing, and background debug module (BDM) support. Its clock system integrates a PLL with programmable multiplication factor (1–32×), external crystal oscillator (1–8 MHz), and multiple low-power modes including Stop, Wait, and Pseudo-Stop.
Peripheral integration includes a 16-channel 10-bit ATD converter with configurable sample-and-hold timing, two independent 8-bit DACs (DAO1/DAO2), 8-channel PWM with dedicated fault inputs (FAULT[3:0]), and full-duplex serial interfaces: three SCIs, one SPI, and one I²C - all mapped to multiplexed GPIO ports with programmable pull-up/pull-down and drive strength.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU12 with 24-bit address bus and BDM interface for in-circuit debugging |
| Flash Memory | 64 KB on-chip Flash with EEPROM emulation, sector erase, and security lock capability |
| RAM | 4 KB on-chip RAM with retention in low-power modes |
| ADC | 10-bit, 16-channel ATD with 8 µs conversion time and external trigger support (AN15/ETRIG) |
| DAC | Dual 8-bit DAC outputs (DAO1, DAO2) with independent reference and output buffers |
| PWM | 8-channel PWM module with fault protection (PMF), dead-time insertion, and center-aligned mode |
| Communication | Three SCI modules (asynchronous UART), one SPI, one I²C, and multiplexed port-based peripheral routing |
Pinout & Package
MC9S12E64CPV is housed in a 112-pin LQFP (Low-Profile Quad Flat Package) with 0.4 mm pitch, RoHS-compliant lead finish, and thermal pad exposed on underside for enhanced heat dissipation in automotive and industrial environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDX / VSSX | I/O Power & Ground | Supplies 5 V to all digital I/O drivers; decoupling required per datasheet layout guidelines |
| VDDR / VSSR | Internal Regulator Supply | Feeds internal 3.3 V regulator (VREG3V3V2); enables single-supply operation from 5 V rail |
| VDDA / VSSA | Analog Power & Ground | Isolates analog circuitry (ATD, DAC, PLL) from digital noise; requires separate filtering |
| EXTAL / XTAL | Crystal Oscillator Input/Output | Supports fundamental-mode crystals (1–8 MHz); determines base clock frequency before PLL multiplication |
| XFC | PLL Loop Filter | Connects external RC filter to stabilize PLL output; critical for jitter-sensitive timing applications |
| BKGD / TAGHI / MODC | BDM Debug & Mode Control | Single-wire background debug interface; also used for chip configuration during reset |
| PA[7:0] / ADDR[15:8] / DATA[15:8] | Multiplexed Port A | Configurable as general-purpose I/O, external memory address/data bus high byte, or peripheral signals |
| PS[7:0] / SS, SCK, MOSI, MISO, TXD1, RXD1, TXD0, RXD0 | Multiplexed Port S | Hosts SPI, SCI0, SCI1, and chip select functions; pin assignment depends on MODB/MODA settings |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Voltage Regulator | VREG3V3V2 provides stable 3.3 V for internal logic from 5 V supply - eliminates need for external LDO in many designs |
| Background Debug Module (BDM) | Single-wire BDM interface enables non-intrusive debugging, flash programming, and real-time register inspection without halting execution |
| Flash Security Lock | Programmable security byte prevents unauthorized read-out of Flash contents - essential for firmware IP protection |
| Flexible Clock Generation | PLL supports 1–32× multiplication of crystal input; allows precise bus speeds (e.g., 25 MHz) while minimizing EMI from high-frequency crystals |
| Low-Power Operation | Four power modes (Run, Wait, Pseudo-Stop, Stop) with wake-up via IRQ, XIRQ, RTI, or peripheral interrupt - extends battery life in portable systems |
Applications
| Automotive Body Control Unit | Industrial Sensor Data Acquisition |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main system controller executing real-time CAN/LIN gateway logic, PWM-driven motor actuation, and ADC-based switch monitoring. Use Value: Integrated 8-channel PWM with fault protection enables direct driving of bidirectional DC motors; 16-channel ADC monitors potentiometers, thermistors, and Hall sensors without external signal conditioning. |
Use Scenario: Standalone environmental monitor logging temperature, humidity, and pressure using analog sensors and SD card storage. IC Role / Device Role / Timing Role: Primary data acquisition engine managing sensor excitation, signal digitization, timestamping, and SPI-based flash/SD interfacing. Use Value: Dual 8-bit DACs generate precision bias voltages for sensor bridges; 10-bit ATD achieves ±1 LSB INL across full industrial temperature range (−40°C to +125°C). |
| Embedded Motor Speed Controller | Smart HVAC Actuator Module |
Use Scenario: Closed-loop speed regulation of small BLDC or brushed DC fans in server cooling or medical equipment. IC Role / Device Role / Timing Role: Real-time motor commutation controller using PWM outputs, Hall-effect feedback decoding, and current sensing via ADC. Use Value: Fault-protected PWM module disables outputs within 1 µs upon FAULT[3:0] assertion - meets IEC 61800-5-2 functional safety requirements for safe torque off (STO). |
Use Scenario: Position-controlled damper actuator in commercial HVAC systems requiring precise airflow modulation. IC Role / Device Role / Timing Role: Position servo controller interpreting I²C commands, driving stepper or geared DC motor via PWM, and reporting position via ADC feedback. Use Value: Multiplexed Port Q (PQ[3:0]/FAULT[3:0]) repurposed as quadrature encoder inputs enables cost-effective position tracking without external ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12E128CPV | 128 KB Flash, 8 KB RAM, identical peripheral set and pinout - software-compatible superset | Supports larger firmware images and more complex control algorithms; same PCB layout | Select when future firmware growth or additional diagnostic features require extra memory headroom |
| S9S12G128F0MLH | S12G derivative with 128 KB Flash, 8 KB RAM, enhanced ADC (12-bit), and LINPHY integrated | Includes hardware LIN transceiver and improved analog performance; not pin-compatible | Choose for new designs targeting LIN-based automotive networks where reduced BOM count justifies layout change |
Compared with MC9S12E64CPV, MC9S12E128CPV offers immediate scalability without hardware redesign, while S9S12G128F0MLH trades pin compatibility for integrated LIN and higher-resolution analog - making it suitable for next-generation automotive subsystems but requiring board re-spin.
Availability
MC9S12E64CPV is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, and embedded motor control applications requiring stable component supply, long lifecycle support, and traceable sourcing.
Supply support for MC9S12E64CPV 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in microcontroller innovation through its acquisition of Freescale.
The HCS12 family, including MC9S12E64CPV, was designed for cost-sensitive, high-reliability embedded control in harsh environments - emphasizing robustness, integrated analog/mixed-signal capability, and long-term manufacturability.
FAQ
What is the maximum operating frequency of the MC9S12E64CPV?
The MC9S12E64CPV supports a maximum bus frequency of 25 MHz, achieved via its on-chip PLL which multiplies an external crystal input (1–8 MHz) by factors from 1× to 32×. The actual achievable frequency depends on VDD, temperature, and PLL loop filter component selection - confirmed in the Electrical Characteristics section of the MC9S12E128 data sheet, which covers MC9S12E64CPV.
Does the MC9S12E64CPV include an internal voltage regulator?
Yes, the MC9S12E64CPV integrates the VREG3V3V2 dual-output voltage regulator, generating 3.3 V for internal logic and 5 V for I/O drivers from a single 5 V supply. This eliminates the need for external regulators in most applications and simplifies power design - a key feature documented in Chapter 14 of the MC9S12E128 data sheet.
Can the MC9S12E64CPV be programmed in-circuit?
Yes, the MC9S12E64CPV supports in-circuit programming and debugging via its Background Debug Module (BDM) interface using a single wire (BKGD pin). This allows full flash programming, register access, and breakpoint debugging without removing the device from the target board - a capability detailed in Chapter 15 of the MC9S12E128 data sheet.
What analog peripherals are integrated into the MC9S12E64CPV?
The MC9S12E64CPV integrates a 10-bit 16-channel Analog-to-Digital Converter (ATD10B16CV2) and two independent 8-bit Digital-to-Analog Converters (DAC8B1CV1). These support simultaneous sampling, external triggering, and programmable reference sources - enabling closed-loop control and sensor signal conditioning without external converters.
Is the MC9S12E64CPV pin-compatible with other HCS12E family members?
Yes, the MC9S12E64CPV shares identical pinout and package (112-pin LQFP) with MC9S12E128CPV and MC9S12E32CPV. This allows hardware reuse across memory variants - firmware can be scaled up or down based on Flash/RAM requirements without PCB changes, as confirmed in the Device Overview chapter of the MC9S12E128 data sheet.
MC9S12E64CPV 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:
- EBI/EMI, I2C, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 92
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.75V
- Data Converters:
- A/D 16x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12E64CPV FAQ
1.How can I place an order for MC9S12E64CPV through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12E64CPV 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 MC9S12E64CPV reliable?
The price and inventory of MC9S12E64CPV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12E64CPV is usually 5 days.
3.What payment methods are accepted for MC9S12E64CPV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12E64CPV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12E64CPV?
MC9S12E64CPV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12E64CPV 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 MC9S12E64CPV?
For technical support, including MC9S12E64CPV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12E64CPV requirements.
6.How does Aetrix verify that MC9S12E64CPV is sourced from the original manufacturer or authorized distributors?
All MC9S12E64CPV 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 MC9S12E64CPV meets industry standards.
7.What is the process for return or replacement of MC9S12E64CPV?
All MC9S12E64CPV units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12E64CPV, 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 MC9S12E64CPV part is unused and in its original packaging.
Return procedure for MC9S12E64CPV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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