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NXP Semiconductors MC9S12A64CPVE
- Part No.:
- MC9S12A64CPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12A64CPVE.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,496
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Product details
Overview
MC9S12A64CPVE 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 (10-bit, 16-channel), 8-channel PWM, and enhanced capture timer for real-time control in automotive body electronics and industrial embedded systems.
For engineers reviewing the MC9S12A64CPVE datasheet, MC9S12A64CPVE pinout, MC9S12A64CPVE application, or MC9S12A64CPVE equivalent, key selection criteria include its 80-pin QFP package, single-chip mode operation, 5V-tolerant I/Os, on-chip voltage regulator support, and compatibility with HCS12 development tools including BDM debugging.
Technical Context
The MC9S12A64CPVE implements the HCS12 CPU12 core with 16-bit data path and 24-bit address space, executing instructions at one cycle per bus clock in most cases. Its memory architecture includes paged Flash, RAM, and register-mapped peripherals accessible via unified addressing.
It integrates a Clock and Reset Generator (CRG) block supporting crystal, external clock, or RC oscillator inputs, plus a PLL for bus clock multiplication. The device lacks CAN0 hardware - confirmed in the "Derivative Differences" table - distinguishing it from MC9S12DJ64 and MC9S12D64 variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 CPU12 - 16-bit CISC core with 24-bit addressing, enabling direct access to 16 MB memory space. |
| Flash Memory | 64 KB on-chip Flash - supports in-circuit programming, EEPROM emulation, and secure code protection. |
| RAM Size | 4 KB on-chip RAM - used for variables, stack, and runtime buffers; retains data only during Run/Wait modes. |
| Bus Frequency | Up to 25 MHz - determines instruction throughput and peripheral timing; derived from PLL-multiplied oscillator input. |
| I/O Voltage Tolerance | 5V-tolerant inputs - allows direct interfacing with legacy 5V logic without level shifters in mixed-voltage systems. |
| ADC Resolution | 10-bit ATD0 and ATD1 - dual independent converters with 16 input channels total, programmable sample time and conversion triggers. |
| PWM Channels | 8-channel 8-bit PWM - supports center-aligned and edge-aligned modes, dead-time insertion, and fault protection inputs. |
Pinout & Package
MC9S12A64CPVE is housed in an 80-pin Quad Flat Package (QFP), RoHS-compliant, with 0.65 mm pitch and exposed thermal pad. Pin assignments match the MC9S12DJ64 80-pin QFP layout per Figure 2-2 of the Device User Guide, excluding CAN0 signals (RXCAN0/TXCAN0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous hardware reset; initiates cold start sequence and initializes all registers and I/O states. |
| BKGD / TAGHI / MODC | Background debug pin | Single-wire BDM interface for programming, breakpoint setting, and real-time register inspection during development. |
| VDDX, VSSX | I/O power supply pair | Provides 5V supply and ground for digital I/O drivers; decoupling required within 10 mm of pins. |
| VDDA, VSSA | Analog power supply pair | Separate 5V analog domain for ATD converters and voltage regulator reference; must be filtered independently. |
| EXTAL / XTAL | Crystal oscillator inputs | Supports Pierce or Colpitts crystal configurations (4–8 MHz typical); PE7 configures oscillator mode. |
| PORT A [7:0] | Multiplexed address/data bus | In expanded multiplexed mode, provides upper byte of 16-bit address and 8-bit data; configurable as general-purpose I/O. |
| PORT B [7:0] | Multiplexed address/data bus | Provides lower byte of 16-bit address and 8-bit data; also supports general-purpose I/O and interrupt-capable inputs. |
| PORT P [7:0] | PWM output port | Dedicated 8-channel PWM outputs with programmable polarity, period, and duty cycle; supports complementary mode. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 10-bit ATD converters | ATD0 (8-channel) and ATD1 (8-channel) with simultaneous sampling capability and flexible trigger sources including ECT and PWM events. |
| Enhanced Capture Timer (ECT) | 16-bit timer with four input capture channels, four output compare channels, and two pulse accumulators for encoder or frequency measurement. |
| On-chip voltage regulator support | VREGEN pin enables internal 2.5V regulator for VDDPLL; reduces external component count and improves PLL stability under varying load. |
| Security and protection | Flash security byte prevents unauthorized read-out; unsecuring requires mass erase, ensuring firmware IP protection in production units. |
| Low-power operation modes | Stop, Pseudo-Stop, and Wait modes reduce current to ≤100 µA (Stop), enabling battery-backed applications with wake-on-interrupt capability. |
Applications
| Automotive Body Control Module | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and lighting in 12V vehicle platforms. IC Role / Device Role / Timing Role: Main system MCU managing sensor inputs, actuator outputs, and LIN/CAN gateway functions. Use Value: 5V-tolerant I/Os interface directly with switches and relays; dual ATD converters monitor battery voltage and motor current simultaneously. |
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers or conveyor systems. IC Role / Device Role / Timing Role: Real-time motion controller executing PID algorithms and generating precise PWM drive signals. Use Value: ECT module captures quadrature encoder feedback with sub-microsecond resolution; 8-channel PWM supports 3-phase inverter control with dead-time management. |
| Smart Power Distribution Unit | Diagnostic Communication Gateway |
Use Scenario: Fuseless electronic circuit protection and load switching in commercial vehicle power distribution panels. IC Role / Device Role / Timing Role: Fault-monitoring MCU sampling current sense resistors and controlling solid-state switches. Use Value: Dual ATD converters enable concurrent monitoring of multiple branch currents; low-power Stop mode extends standby battery life. |
Use Scenario: Protocol translation between J1850 VPW (GM) and ISO 9141-2 (Chrysler) diagnostic interfaces in service tools. IC Role / Device Role / Timing Role: Protocol bridge MCU handling physical layer timing, message framing, and checksum validation. Use Value: HCS12's deterministic interrupt latency ensures strict J1850 bit timing compliance; 64 KB Flash stores multiple protocol stacks and calibration tables. |
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 |
|---|---|---|---|
| MC9S12D64CPVE | Includes MSCAN module (CAN 2.0B controller); same 64 KB Flash, 4 KB RAM, and 80-pin QFP package. | Required where CAN bus communication is mandatory (e.g., engine control gateways, chassis networks). | Select MC9S12D64CPVE when CAN interface is needed; MC9S12A64CPVE is suitable for CAN-free subsystems to reduce cost and software complexity. |
| S912XDP512J1MAL | Enhanced S12X core, 512 KB Flash, 32 KB RAM, 112-pin LQFP; supports CAN, LIN, and enhanced BDM. | Targeted at next-generation platforms requiring higher code density, faster execution, and multi-protocol support. | Choose S912XDP512J1MAL for scalability and future-proofing; MC9S12A64CPVE remains optimal for cost-sensitive, functionally stable designs. |
Compared with MC9S12D64CPVE, the MC9S12A64CPVE omits CAN hardware-reducing silicon area and BOM cost-while retaining identical memory, I/O, and timing capabilities for non-CAN applications. Against S912XDP512J1MAL, it offers proven qualification, smaller footprint, and lower power in legacy 80-pin layouts.
Availability
MC9S12A64CPVE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, smart power distribution, and diagnostic tool development requiring stable component supply across extended product lifecycles.
Supply support for MC9S12A64CPVE 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 MC9S12A64CPVE belongs to the HCS12 family, designed specifically for cost-effective, high-reliability embedded control in automotive body electronics and industrial automation where functional safety and long-term supply stability are critical.
FAQ
What is the maximum bus frequency supported by the MC9S12A64CPVE?
The MC9S12A64CPVE supports a maximum bus frequency of 25 MHz, achieved using the on-chip Phase-Locked Loop (PLL) to multiply the input oscillator frequency. This frequency governs instruction execution speed, peripheral timing, and ATD conversion rates. Operation above 25 MHz is not guaranteed and violates the device's electrical specifications.
Does the MC9S12A64CPVE include a CAN controller?
No, the MC9S12A64CPVE does not include a CAN controller. Per the "Derivative Differences" table in the MC9S12DJ64 Device User Guide (V01.20), the MC9S12A64 variant explicitly omits CAN0 functionality present in MC9S12DJ64 and MC9S12D64. It is intended for CAN-free applications such as body control modules with LIN or discrete I/O.
What package type and pin count does the MC9S12A64CPVE use?
The MC9S12A64CPVE uses an 80-pin Quad Flat Package (QFP) with 0.65 mm lead pitch and RoHS-compliant finish. Its pinout matches the 80-pin QFP configuration shown in Figure 2-2 of the MC9S12DJ64 Device User Guide, supporting single-chip, expanded multiplexed, and expanded demultiplexed memory modes.
How much Flash and RAM memory does the MC9S12A64CPVE integrate?
The MC9S12A64CPVE integrates 64 KB of on-chip Flash memory for program storage and 4 KB of on-chip RAM for data and stack operations. Flash supports in-system programming and security locking; RAM is volatile and loses contents upon reset or power loss unless retained via external backup.
Is the MC9S12A64CPVE compatible with standard HCS12 development tools?
Yes, the MC9S12A64CPVE is fully compatible with standard HCS12 development tools, including P&E Micro BDM interfaces, CodeWarrior Development Studio, and S12-specific flash programming utilities. Its BKGD pin implements the single-wire Background Debug Mode protocol defined for all HCS12 derivatives.
MC9S12A64CPVE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- 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 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S12A64CPVE FAQ
1.How can I place an order for MC9S12A64CPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12A64CPVE 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 MC9S12A64CPVE reliable?
The price and inventory of MC9S12A64CPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12A64CPVE is usually 5 days.
3.What payment methods are accepted for MC9S12A64CPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12A64CPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12A64CPVE?
MC9S12A64CPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12A64CPVE 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 MC9S12A64CPVE?
For technical support, including MC9S12A64CPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12A64CPVE requirements.
6.How does Aetrix verify that MC9S12A64CPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12A64CPVE 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 MC9S12A64CPVE meets industry standards.
7.What is the process for return or replacement of MC9S12A64CPVE?
All MC9S12A64CPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12A64CPVE, 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 MC9S12A64CPVE part is unused and in its original packaging.
Return procedure for MC9S12A64CPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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