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NXP Semiconductors S9S12HZ256J3VAL
- Part No.:
- S9S12HZ256J3VAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S9S12HZ256J3VAL.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,469
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Product details
Overview
S9S12HZ256J3VAL from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller with 256 KB on-chip Flash, 12 KB RAM, and integrated motor control peripherals including dual 8-channel PWM modules, 10-bit 16-channel ADC, LCD controller for up to 128 segments, and CAN 2.0B interface - designed for automotive body electronics and industrial motor drive applications.
For engineers reviewing the S9S12HZ256J3VAL datasheet, S9S12HZ256J3VAL pinout, S9S12HZ256J3VAL application, or S9S12HZ256J3VAL equivalent, key selection criteria include its 80-pin QFP package, 5V operation, PLL-based clock generation up to 50 MHz, background debug module (BDM), and dedicated stepper stall detection hardware - all critical for real-time embedded motor control systems requiring functional safety and long-term supply stability.
Technical Context
The S9S12HZ256J3VAL implements the HCS12 CPU core with 16-bit data path and 24-bit addressing, supporting single-cycle instruction execution for deterministic timing. Its memory subsystem includes 256 KB Flash with EEPROM emulation, 2 KB dedicated EEPROM, and 12 KB RAM with configurable wait states.
Peripherals are tightly integrated via a crossbar switch: the Motor Controller (MC10B8CV1) supports four independent motors with complementary PWM outputs and dead-time insertion; the Stepper Stall Detector (SSDV1) provides hardware-accelerated stall sensing without CPU intervention; and the MSCANV2 module delivers full CAN 2.0B compliance with message buffering and error handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS12 16-bit CISC core with 24-bit address bus and 1–2 cycle instruction execution |
| Flash Memory | 256 KB on-chip Flash (FTS256K2V1) with 100k write/erase cycles and 10-year data retention |
| RAM | 12 KB on-chip SRAM with bit manipulation and wait-state control |
| ADC | 10-bit, 16-channel ATD10B16CV4 with programmable sample time, scan modes, and external trigger support |
| PWM | Dual 8-channel PWM8B6CV1 modules with center-aligned/edge-aligned modes, dead-time insertion, and fault protection inputs |
| CAN Interface | Freescale MSCANV2 module compliant with ISO 11898-1, supporting 1 Mbit/s, 64-message buffers, and automatic retransmission |
| LCD Driver | LCD32F4BV1 supporting up to 32 × 4 multiplexing (128 segments), internal charge pump, and static/dynamic bias control |
| Operating Voltage | 4.5 V to 5.5 V supply range with internal 3.3 V regulator (VREG3V3V2) for core logic |
Pinout & Package
Package: 80-pin Quad Flat Package (QFP), 14 mm × 14 mm, 0.65 mm pitch, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates cold start or watchdog-triggered recovery |
| BKGD / TAGHI / MODC | Multi-function debug/control pin | Background Debug interface I/O during programming; Tag High for trace; Mode select during reset |
| EXTAL / XTAL | Crystal oscillator terminals | Supports 4–8 MHz crystal or external clock source for PLL reference input |
| XFC | PLL loop filter capacitor connection | External capacitor sets PLL loop bandwidth and stability; required for frequency synthesis |
| M0C0P / M0C0M | Motor 0 PWM output pair | Complementary high-side/low-side PWM outputs with programmable dead time for half-bridge gate driving |
| AN0–AN15 | Analog input channels | 16 single-ended or 8 differential ADC inputs with selectable reference (VRH/VRL) |
| FP0–FP31 / BP0–BP3 | LCD frontplane/backplane drivers | Direct segment and common outputs for static or multiplexed LCD panels up to 128 segments |
| CANL / CANH | CAN bus differential pair | Physical layer interface for ISO 11898-2 compliant transceiver connection |
Key Features
| Feature | Design Value |
|---|---|
| Stepper Stall Detection | Hardware SSDV1 module monitors back-EMF and current slope to detect motor stall without CPU polling or software overhead |
| Motor Control PWM | Two independent 8-channel PWM modules with synchronized timers, fault blanking, and emergency shutdown inputs |
| Integrated Voltage Regulator | VREG3V3V2 provides regulated 3.3 V for core logic and peripherals, eliminating need for external LDO in 5 V systems |
| Background Debug | BDMV4 module enables non-intrusive debugging, flash programming, and real-time register inspection via single-wire interface |
| Security Protection | Flash security byte and backdoor key access prevent unauthorized read-out of firmware and configuration data |
| Low-Power Modes | Run, Wait, Stop, and Pseudo-Stop modes with selective peripheral clock gating and wake-up on interrupt or external event |
Applications
| Automotive HVAC Blower Control | Industrial Conveyor Drive |
|---|---|
Use Scenario: Closed-loop speed and torque control of DC brushless fans in vehicle climate systems under varying load and temperature conditions. IC Role / Device Role / Timing Role: Primary motor controller executing PID loops, generating complementary PWM, monitoring hall sensors and thermistors via ADC, and communicating status over CAN bus. Use Value: Integrated stall detection prevents fan lock-up failure; on-chip 5 V-to-3.3 V regulation simplifies power design; CAN interface enables integration into vehicle network diagnostics. | Use Scenario: Synchronized multi-motor control for belt-driven conveyor sections in packaging machinery with emergency stop and load monitoring. IC Role / Device Role / Timing Role: Central motion controller managing four independent motors using dual PWM modules, reading encoder feedback via timer capture, and reporting faults via CAN. Use Value: Hardware-accelerated stepper stall detection eliminates software latency in jam detection; 256 KB Flash supports field-upgradable motion profiles and safety logic. |
| Medical Infusion Pump | Smart Power Tool Motor Control |
Use Scenario: Precision micro-stepping control of peristaltic pump motors with flow rate verification and occlusion detection. IC Role / Device Role / Timing Role: Real-time motor sequencer using PWM and GPIO, sampling pressure sensors via 10-bit ADC, driving LCD display, and logging events to EEPROM. Use Value: On-chip 2 KB EEPROM stores calibration data and usage logs with guaranteed endurance; LCD controller drives segmented display without external driver IC. | Use Scenario: Brushless DC motor commutation in cordless drills with battery voltage monitoring, thermal protection, and torque limiting. IC Role / Device Role / Timing Role: Sensorless FOC-capable controller using ADC for BEMF sampling, PWM for inverter switching, and CAN for tool-battery communication. Use Value: Dual PWM modules enable 3-phase inverter control with dead-time compensation; integrated voltage regulator ensures stable core operation across 10–18 V battery range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XHZ256MAL | Enhanced XGATE co-processor, 1 MB Flash option, higher max frequency (80 MHz), additional CAN channel | Targeted at more complex real-time control tasks requiring parallel processing (e.g., sensor fusion, advanced FOC) | Select when needing >50 MHz CPU performance, dual CAN, or offloading time-critical ISR to XGATE |
| S912ZVMC256F0MLFR | Z-series 16-bit core, integrated LIN PHY, enhanced ESD/EMC robustness, AEC-Q100 Grade 1 qualified | Designed specifically for automotive powertrain and chassis applications with stricter qualification requirements | Select for new automotive designs requiring AEC-Q100 compliance, LIN interface, or higher ambient temperature operation |
Compared with MC9S12XHZ256MAL and S912ZVMC256F0MLFR, the S9S12HZ256J3VAL offers optimal balance of proven reliability, mature toolchain support, and cost-effective integration for mid-tier motor control - especially where legacy code base, long-term availability, and 5 V system compatibility are prioritized over raw performance or automotive qualification.
Availability
S9S12HZ256J3VAL is available at Aetrix Electronics and suitable for automotive HVAC systems, industrial conveyor drives, medical infusion pumps, and smart power tools requiring stable component supply and long-lifecycle support.
Supply support for S9S12HZ256J3VAL 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 company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S12HZ256J3VAL belongs to NXP's legacy HCS12 microcontroller family, engineered for cost-sensitive, high-reliability embedded motor control applications where deterministic real-time response, integrated analog/motor peripherals, and long-term product availability are essential.
FAQ
What is the maximum operating frequency of the S9S12HZ256J3VAL?
The S9S12HZ256J3VAL achieves a maximum core frequency of 50 MHz using its internal PLL, which accepts a 4–8 MHz crystal input on EXTAL/XTAL and multiplies it via programmable dividers. This frequency is sustained across the full industrial temperature range (–40°C to +105°C) and 4.5–5.5 V supply, enabling deterministic real-time motor control loops with sub-microsecond timing resolution. The S9S12HZ256J3VAL datasheet specifies PLL lock time and jitter characteristics for stable operation.
Does the S9S12HZ256J3VAL support CAN FD or only classical CAN?
The S9S12HZ256J3VAL integrates the MSCANV2 module, which supports only Classical CAN (ISO 11898-1, CAN 2.0B) at up to 1 Mbit/s. It does not support CAN FD features such as flexible data-rate, extended data length, or CRC enhancements. For CAN FD capability, designers must consider newer NXP families like S32K1 or S32K3. The S9S12HZ256J3VAL remains fully compatible with existing CAN 2.0B networks in automotive and industrial systems.
How is the 2 KB EEPROM implemented in the S9S12HZ256J3VAL?
The S9S12HZ256J3VAL includes a dedicated 2 KB EEPROM module (EETS2KV1) with separate erase/write cycles, 100,000 endurance cycles, and 10-year data retention at 85°C. Unlike Flash-emulated EEPROM, this is a physically distinct memory array with hardware-controlled wear leveling and page erase granularity. It supports byte-write capability and is accessible via standard register interface - making it suitable for storing calibration constants, device IDs, and runtime logs in the S9S12HZ256J3VAL.
Can the S9S12HZ256J3VAL drive an LCD without external bias circuitry?
Yes, the S9S12HZ256J3VAL integrates the LCD32F4BV1 module with an internal charge pump capable of generating VLCD voltages up to 5.5 V, supporting static and 2–4 multiplex LCDs without external bias components. It provides direct drive for up to 128 segments (32 frontplane × 4 backplane) and includes software-configurable waveform polarity, frame frequency, and contrast control - enabling standalone LCD interfacing in the S9S12HZ256J3VAL for instrument clusters and HMI displays.
What debug interface does the S9S12HZ256J3VAL use, and is JTAG supported?
The S9S12HZ256J3VAL uses the Background Debug Module (BDMV4), a single-wire serial interface for programming, debugging, and real-time register inspection. It does not support IEEE 1149.1 JTAG. BDM requires only the BKGD pin and ground, with optional RESET for forced entry; no dedicated TCK/TMS/TDO/TDI pins exist. Development tools like P&E Micro's Cyclone programmers and CodeWarrior IDE fully support BDM for the S9S12HZ256J3VAL.
S9S12HZ256J3VAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- HCS12
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, SCI, SPI
- Peripherals:
- LCD, Motor control PWM, POR, PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.75V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12HZ256J3VAL FAQ
1.How can I place an order for S9S12HZ256J3VAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12HZ256J3VAL 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 S9S12HZ256J3VAL reliable?
The price and inventory of S9S12HZ256J3VAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12HZ256J3VAL is usually 5 days.
3.What payment methods are accepted for S9S12HZ256J3VAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12HZ256J3VAL transactions.
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4.How is shipping managed for S9S12HZ256J3VAL?
S9S12HZ256J3VAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12HZ256J3VAL 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 S9S12HZ256J3VAL?
For technical support, including S9S12HZ256J3VAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12HZ256J3VAL requirements.
6.How does Aetrix verify that S9S12HZ256J3VAL is sourced from the original manufacturer or authorized distributors?
All S9S12HZ256J3VAL 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 S9S12HZ256J3VAL meets industry standards.
7.What is the process for return or replacement of S9S12HZ256J3VAL?
All S9S12HZ256J3VAL units undergo pre-shipment inspection (PSI). If there is an issue with S9S12HZ256J3VAL, 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 S9S12HZ256J3VAL part is unused and in its original packaging.
Return procedure for S9S12HZ256J3VAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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