NXP Semiconductors MC9S12E64CPVE
- Part No.:
- MC9S12E64CPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12E64CPVE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 112LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:308
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Product details
Overview
MC9S12E64CPVE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller with 64 KB on-chip Flash, 4 KB RAM, and integrated peripherals including 10-bit 16-channel ADC, dual 8-bit DACs, PWM, SPI, I²C, and three SCI modules. It operates at up to 25 MHz bus speed and supports automotive-grade temperature range (–40°C to +105°C) in a 112-pin LQFP package.
For engineers reviewing the MC9S12E64CPVE datasheet, MC9S12E64CPVE pinout, MC9S12E64CPVE application, or MC9S12E64CPVE equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in engine control and body electronics, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The MC9S12E64CPVE implements the HCS12 CPU core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. Its clock system integrates a PLL with selectable multiplication factors (1×–32×), enabling flexible bus speeds up to 25 MHz from external crystal or oscillator inputs.
It features a multiplexed external bus interface (MEBI) supporting 8/16-bit data and 20-bit address expansion, plus background debug module (BDM) for in-circuit programming and real-time debugging without halting execution. All peripheral modules-including ATD, DAC, PWM, and serial interfaces-are memory-mapped and share a unified interrupt vector table.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing; enables deterministic real-time control and efficient code density for embedded automotive firmware. |
| Flash Memory | 64 KB on-chip Flash (FTS128K1V1 derivative); supports in-application programming (IAP) and flash security lock for IP protection. |
| RAM Size | 4 KB on-chip RAM; sufficient for stack, variables, and buffer storage in mid-complexity control loops (e.g., fuel injection timing). |
| ADC Resolution & Channels | 10-bit ATD10B16CV2 with 16 analog inputs; provides ±1 LSB INL/DNL accuracy for sensor signal acquisition (e.g., throttle position, coolant temp). |
| DAC Outputs | Two independent 8-bit DAC8B1CV1 channels (DAO1/DAO2); generate precise analog reference or actuator drive signals without external converters. |
| Bus Speed | Up to 25 MHz; ensures sub-μs response in time-critical tasks like PWM fault detection and closed-loop feedback control. |
| Operating Temperature | –40°C to +105°C; qualified for under-hood automotive applications per AEC-Q100 Grade 2 requirements. |
Pinout & Package
MC9S12E64CPVE is housed in a 112-pin LQFP (16 × 16 mm, 0.4 mm pitch) with exposed thermal pad. Power domains include VDDX/VSSX (I/O), VDDR/VSSR (regulator), VDDA/VSSA (analog), and VDDPLL/VSSPLL (PLL). Dedicated pins support BDM debug, PLL loop filter (XFC), and external reset (RESET).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PA[7:0] / ADDR[15:8] / DATA[15:8] | Port A multiplexed I/O | Configurable as general-purpose I/O or upper byte of external bus; enables memory-mapped peripheral expansion. |
| PB[7:0] / ADDR[7:0] / DATA[7:0] | Port B multiplexed I/O | Lower byte of external bus; supports 8-bit or 16-bit parallel interface to external EEPROM, display controller, or CAN transceiver. |
| PE0 / XIRQ | Non-maskable interrupt input | Hardware-triggered emergency interrupt (e.g., overvoltage fault) that cannot be disabled by software. |
| PE1 / IRQ | Maskable interrupt input | Standard priority-based interrupt source for timer overflow, ADC conversion complete, or serial receive events. |
| PS0–PS7 / RXD0–TXD1 / MISO–SS | Port S serial I/O | Configurable as SCI0/SCI1, SPI master/slave, or GPIO; supports daisy-chained sensor networks or bootloader communication. |
| PK[5:0] / XADDR[19:14] | External address extension | Provides upper 6 bits of 20-bit address bus for >64 KB external memory mapping (e.g., program storage or logging buffer). |
Key Features
| Feature | Design Value |
|---|---|
| Background Debug Module (BDM) | On-chip debug interface using BKGD pin; enables flash programming, breakpoint setting, and register inspection without emulator hardware. |
| Dual 8-bit DAC outputs | Independent DAO1/DAO2 with programmable update timing; eliminates need for external DACs in analog actuator control (e.g., EGR valve biasing). |
| PWM with fault protection | PMF15B6CV2 module with 6-channel complementary outputs and fast-fault shutdown (< 2 μs); critical for motor driver safety compliance. |
| Integrated voltage regulator | VREG3V3V2 provides internal 3.3 V supply; reduces external component count and improves power integrity for mixed-signal operation. |
| Security lock mechanism | Flash security byte prevents unauthorized read-out of firmware; essential for OEM intellectual property protection in production ECUs. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time management of fuel injection timing, spark advance, and idle speed based on crankshaft position, throttle angle, and oxygen sensor feedback. IC Role / Device Role / Timing Role: Primary controller executing deterministic control algorithms with < 100 μs loop latency; synchronizes PWM outputs to crank signal edges. Use Value: Integrated 10-bit ADC and 25 MHz bus speed enable accurate sensor sampling and fast actuator response-critical for meeting Euro 6 emissions targets. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and HVAC fan speed across multiple vehicle zones. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and local sensors via dedicated SCI and I²C ports; manages low-power sleep/wake transitions. Use Value: On-chip 4 KB RAM and BDM support rapid firmware updates in service centers without disassembly or specialized tools. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
|
Use Scenario: Closed-loop hydraulic pressure control for automatic transmission solenoids using PWM-modulated current drivers. IC Role / Device Role / Timing Role: Safety-critical controller with fault-protected PWM outputs and watchdog supervision; monitors solenoid current via analog feedback. Use Value: PMF15B6CV2's hardware fault shutdown (< 2 μs) meets ISO 26262 ASIL-B requirements for transmission actuation safety. |
Use Scenario: Signal conditioning and preprocessing of radar or ultrasonic sensor outputs before forwarding to main ADAS processor. IC Role / Device Role / Timing Role: Edge-processing node converting analog sensor signals to digital packets via SPI/SCI; performs basic filtering and threshold detection. Use Value: Dual 8-bit DACs generate precise reference voltages for sensor biasing, improving SNR and reducing external component count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12E128CPVE | 128 KB Flash, 8 KB RAM, same pinout and peripheral set; higher memory capacity but identical package and electrical specs. | Suitable for larger firmware images requiring OTA update partitions or expanded diagnostic routines. | Select when future firmware growth or dual-bank flash updates are required; no PCB change needed. |
| S912ZVL64F0MLFR | NXP S12Z core, 64 KB Flash, 6 KB RAM, enhanced CAN FD support, and improved ADC linearity (±0.5 LSB); 112-pin LQFP with compatible pin mapping for key signals. | Better suited for next-gen vehicles requiring CAN FD communication and tighter sensor measurement tolerances. | Choose for new designs targeting CAN FD integration or higher-precision analog sensing; requires minor schematic review for VREG and clock routing. |
Compared with MC9S12E64CPVE, MC9S12E128CPVE offers scalable memory headroom within identical hardware constraints, while S912ZVL64F0MLFR delivers modern CAN FD capability and tighter ADC accuracy-making it ideal for forward-looking ADAS or electrified powertrain applications where legacy HCS12 compatibility is not mandatory.
Availability
MC9S12E64CPVE is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control systems requiring stable component supply, long-term lifecycle support, and automotive-grade reliability.
Supply support for MC9S12E64CPVE 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 automotive microcontrollers dating to Motorola and Freescale.
The HCS12 family-including MC9S12E64CPVE-was designed specifically for cost-sensitive, high-reliability automotive body and powertrain control applications requiring deterministic real-time performance and robust debug infrastructure.
FAQ
What is the maximum bus speed supported by the MC9S12E64CPVE?
The MC9S12E64CPVE supports a maximum bus speed of 25 MHz. This is achieved using the on-chip PLL with configurable multiplication factors (1× to 32×) and external crystal frequencies between 1 MHz and 8 MHz. The 25 MHz bus speed enables tight control loop execution and fast peripheral response times required in automotive applications such as fuel injection and anti-lock braking systems.
Does the MC9S12E64CPVE include an integrated voltage regulator?
Yes, the MC9S12E64CPVE includes the VREG3V3V2 dual-output voltage regulator, which generates a regulated 3.3 V supply for internal logic and I/O circuits. This eliminates the need for an external 3.3 V regulator in many designs, simplifying power architecture and improving system-level noise immunity-especially important in electrically noisy automotive environments.
How many analog-to-digital converter (ADC) channels does the MC9S12E64CPVE have, and what is their resolution?
The MC9S12E64CPVE integrates the ATD10B16CV2 module: a 10-bit successive-approximation ADC with 16 single-ended or 8 differential input channels. It supports programmable sample-and-hold times, multiple conversion modes (single, continuous, fast), and hardware-triggered conversions synchronized to PWM or timer events-enabling precise sensor monitoring in engine and chassis control systems.
Is the MC9S12E64CPVE pin-compatible with other devices in the HCS12E family?
Yes, the MC9S12E64CPVE shares the same 112-pin LQFP package and pinout with MC9S12E128CPVE and MC9S12E32CPVE. This allows direct hardware reuse across variants differing only in Flash/RAM size-enabling scalable platform design where firmware complexity determines memory requirements without layout changes.
What debug interface does the MC9S12E64CPVE support, and how is it implemented?
The MC9S12E64CPVE supports the Background Debug Module (BDMV4) using the BKGD pin. This single-wire interface enables full in-circuit debugging-including flash programming, register read/write, breakpoint insertion, and real-time variable monitoring-without halting CPU execution. It requires only a standard BDM pod or compatible debugger (e.g., P&E Multilink), making development and field diagnostics highly accessible.
MC9S12E64CPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- 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:
MC9S12E64CPVE FAQ
1.How can I place an order for MC9S12E64CPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12E64CPVE 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 MC9S12E64CPVE reliable?
The price and inventory of MC9S12E64CPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12E64CPVE is usually 5 days.
3.What payment methods are accepted for MC9S12E64CPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12E64CPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12E64CPVE?
MC9S12E64CPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12E64CPVE 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 MC9S12E64CPVE?
For technical support, including MC9S12E64CPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12E64CPVE requirements.
6.How does Aetrix verify that MC9S12E64CPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12E64CPVE 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 MC9S12E64CPVE meets industry standards.
7.What is the process for return or replacement of MC9S12E64CPVE?
All MC9S12E64CPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12E64CPVE, 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 MC9S12E64CPVE part is unused and in its original packaging.
Return procedure for MC9S12E64CPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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