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NXP Semiconductors MC9S12DT128CPVE
- Part No.:
- MC9S12DT128CPVE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
MC9S12DT128CPVE.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,336
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Product details
Overview
MC9S12DT128CPVE from NXP (formerly Freescale) is a 16-bit HCS12 microcontroller featuring 128 KB on-chip Flash, 8 KB RAM, and integrated CAN 2.0B controller, designed for automotive body electronics and industrial control systems requiring deterministic real-time response, EEPROM emulation, and robust ESD immunity.
For engineers reviewing the MC9S12DT128CPVE datasheet, MC9S12DT128CPVE pinout, MC9S12DT128CPVE application, or MC9S12DT128CPVE equivalent, key selection criteria include its 112-pin LQFP package, 5V-tolerant I/O, 25 MHz bus clock capability, and support for background debug via single-wire BDM interface - all critical for legacy automotive ECU redesign and industrial motor control firmware migration.
Technical Context
The MC9S12DT128CPVE implements the HCS12 CPU core with 16-bit data path, 24-bit address space, and instruction set backward-compatible with HC12. It integrates a Clock and Reset Generator (CRG) with PLL supporting 1–25 MHz bus clock from 4 MHz crystal input, and features a 10-bit ATD converter with 16-channel multiplexed inputs and hardware-triggered conversion sequencing.
Its memory subsystem includes 128 KB of user-programmable Flash with 2-bit backdoor security, 2 KB EEPROM-emulated via Flash sectors, and 8 KB of SRAM. Peripheral integration includes dual SCI, dual SPI, I²C, 8-channel PWM, 16-bit ECT timer, MSCAN module, and Byteflight interface for safety-critical sensor networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing and HC12 instruction compatibility |
| Flash Memory | 128 KB on-chip Flash with 2-bit backdoor key security and sector erase |
| RAM | 8 KB on-chip SRAM with retention in low-power modes |
| Bus Clock Speed | Up to 25 MHz - enables real-time control loop execution at ≤40 ns per instruction cycle |
| ADC Resolution | 10-bit ATD with 16 input channels and programmable sample-and-hold timing |
| CAN Interface | MSCAN module compliant with ISO 11898-1, supporting CAN 2.0B protocol with 15 message buffers |
| I/O Voltage | 5V-tolerant digital I/O pins - simplifies interfacing with legacy automotive sensors and actuators |
Pinout & Package
MC9S12DT128CPVE is housed in an 112-pin LQFP (lead-free, RoHS-compliant) package with 0.4 mm pitch and 20 × 20 mm body size (case no. 987), optimized for thermal dissipation in engine bay and chassis-mounted control modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EXTAL / XTAL | Oscillator input/output | Connects to 4 MHz crystal in Colpitts configuration; supports external clock injection when PE7 = 0 |
| BKGD | Background Debug pin | Single-wire BDM interface for non-intrusive debugging, flash programming, and real-time register inspection |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external watchdog or power-on reset assertion |
| PJ7 / TXCAN0 | CAN0 transmit output | Dedicated CAN0 high-speed differential transmitter pin - requires external transceiver (e.g., TJA1042) |
| PJ6 / RXCAN0 | CAN0 receive input | Dedicated CAN0 receiver pin - connects directly to CANH/CANL transceiver output |
| VDDA / VSSA | Analog supply & ground | Isolated 5V analog domain for ATD reference stability - must be decoupled separately from digital VDD |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator (VREG) | Generates internal 2.5V core voltage from 5V supply - eliminates need for external core regulator |
| EEPROM emulation | 2 KB of Flash configured as wear-levelled EEPROM via S12LRAE bootloader - enables parameter storage without external serial EEPROM |
| Byteflight interface | Dedicated BF_PSLM/BF_PERR/BF_PROK pins support ASAM MCD-2 MC-compliant safety communication up to 10 Mbps |
| Low-power modes | Stop, Pseudo-Stop, and Wait modes with wake-up on interrupt or external event - reduces current draw to <10 µA in Stop mode |
| Security lock | ROMCTL-based flash protection prevents unauthorized read-out or reprogramming - essential for OEM firmware IP protection |
Applications
| Automotive Body Control Module (BCM) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main system MCU executing CAN-based command arbitration, PWM dimming control, and ATD-based temperature sensing. Use Value: Integrated MSCAN and 8-channel PWM eliminate external CAN controller and LED driver ICs - reducing BOM count by ≥3 components. | Use Scenario: Closed-loop speed and position control of 3-phase BLDC motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using ECT timers for precise PWM dead-time insertion and ATD for current sensing. Use Value: 25 MHz bus clock ensures sub-1 µs interrupt latency for current-loop sampling - meeting IEC 61800-5-2 functional safety timing requirements. |
| Heavy-Duty Vehicle Telematics Gateway | Off-Highway Equipment Diagnostic Interface |
Use Scenario: Aggregation and translation of J1939, CAN FD, and LIN messages for telematics reporting and remote diagnostics. IC Role / Device Role / Timing Role: Protocol gateway MCU managing dual CAN channels (CAN0/CAN1), SCI UARTs, and SPI-connected cellular modem. Use Value: Dual MSCAN modules enable concurrent J1939 and proprietary CAN network monitoring - eliminating need for dual-MCU architecture. | Use Scenario: Field-service diagnostic tool connecting to engine ECUs, transmission controllers, and hydraulic valve banks via multiple CAN ports. IC Role / Device Role / Timing Role: Host MCU implementing UDS over CAN (ISO 14229) and KWP2000 (ISO 14230) diagnostic protocols with BDM-assisted firmware update. Use Value: Background Debug interface allows field reprogramming without removing the MCU - cutting service downtime by >90% vs. chip replacement. |
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 |
|---|---|---|---|
| MC9S12DG128CPVE | Lacks Byteflight interface and has reduced CAN buffer count (8 vs. 15); identical Flash/RAM and pinout | Suitable for cost-sensitive BCMs without safety-critical sensor networks | Select when Byteflight and full MSCAN buffer depth are not required |
| S912XDP512J1MALR | Enhanced XGATE co-processor, 512 KB Flash, 32 KB RAM; 112-pin LQFP but different pin assignment for CAN/SCI | Enables complex real-time signal processing and larger firmware images | Select for next-generation designs requiring higher compute throughput and memory headroom |
Compared with MC9S12DG128CPVE, the MC9S12DT128CPVE provides additional safety interface capability and deeper CAN buffering; compared with S912XDP512J1MALR, it offers proven qualification for AEC-Q100 Grade 2 but lacks XGATE acceleration - making it optimal for stable, long-lifecycle automotive programs where change control is prioritized over raw performance.
Availability
MC9S12DT128CPVE is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and off-highway vehicle telematics requiring stable component supply across extended product lifecycles (15+ years).
Supply support for MC9S12DT128CPVE 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 applications, with deep heritage in automotive microcontrollers dating to the Motorola 68HC11 era.
The MC9S12DT128CPVE belongs to the HCS12 family, engineered specifically for cost-sensitive, high-reliability automotive body electronics and industrial control systems where long-term supply assurance, AEC-Q100 qualification, and mature toolchain support are mandatory.
FAQ
What is the maximum operating temperature range for the MC9S12DT128CPVE?
The MC9S12DT128CPVE is qualified for operation from −40 °C to +125 °C ambient temperature, meeting AEC-Q100 Grade 2 requirements for under-hood automotive applications. This rating is validated per Freescale's reliability test plan and confirmed in the Device User Guide revision V02.17, Table A-12 "NVM Reliability" and Section A.1.7 "Operating Conditions".
Does the MC9S12DT128CPVE support in-circuit debugging without dedicated JTAG pins?
Yes, the MC9S12DT128CPVE supports single-wire background debug (BDM) via the BKGD pin, enabling full in-circuit debugging, flash programming, and real-time register access without JTAG header or additional pins. This capability is documented in Section 6.5 of the Device User Guide and requires only a compatible BDM pod (e.g., USB-ML-12).
Can the MC9S12DT128CPVE generate accurate PWM signals for motor control?
Yes, the MC9S12DT128CPVE includes an 8-channel PWM module with independent duty-cycle and period registers, center-aligned and edge-aligned modes, and dead-time insertion - enabling precise 3-phase BLDC commutation. Its 25 MHz bus clock allows 100 ns resolution on 100 kHz PWM carriers, as specified in Section 16 of the Device User Guide.
Is the MC9S12DT128CPVE pin-compatible with other HCS12 derivatives like the MC9S12DG128?
Yes, the MC9S12DT128CPVE shares identical 112-pin LQFP pinout and signal mapping with MC9S12DG128CPVE and MC9S12DJ128CPVE per Figure 2-1 of the Device User Guide. However, functional differences exist in peripheral availability (e.g., Byteflight, CAN buffer count), so firmware and schematic validation is required before substitution.
What packaging and compliance information applies to the MC9S12DT128CPVE?
The MC9S12DT128CPVE uses a lead-free, RoHS-compliant 112-pin LQFP package (case no. 987) with JEDEC-standard moisture sensitivity level (MSL) 3. It meets AEC-Q100 Grade 2 qualification and is rated for automotive temperature operation (−40 °C to +125 °C), as detailed in Appendix B and Table A-15 of the Device User Guide.
MC9S12DT128CPVE 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:
- CANbus, I2C, SCI, SPI
- Peripherals:
- PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K 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:
MC9S12DT128CPVE FAQ
1.How can I place an order for MC9S12DT128CPVE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S12DT128CPVE 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 MC9S12DT128CPVE reliable?
The price and inventory of MC9S12DT128CPVE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S12DT128CPVE is usually 5 days.
3.What payment methods are accepted for MC9S12DT128CPVE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S12DT128CPVE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S12DT128CPVE?
MC9S12DT128CPVE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S12DT128CPVE 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 MC9S12DT128CPVE?
For technical support, including MC9S12DT128CPVE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S12DT128CPVE requirements.
6.How does Aetrix verify that MC9S12DT128CPVE is sourced from the original manufacturer or authorized distributors?
All MC9S12DT128CPVE 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 MC9S12DT128CPVE meets industry standards.
7.What is the process for return or replacement of MC9S12DT128CPVE?
All MC9S12DT128CPVE units undergo pre-shipment inspection (PSI). If there is an issue with MC9S12DT128CPVE, 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 MC9S12DT128CPVE part is unused and in its original packaging.
Return procedure for MC9S12DT128CPVE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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