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NXP Semiconductors S9S12HZ128J3CAL
- Part No.:
- S9S12HZ128J3CAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S9S12HZ128J3CAL.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,358
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Product details
Overview
S9S12HZ128J3CAL from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12 microcontroller with 128 KB on-chip Flash, 8 KB RAM, and integrated motor control peripherals including dual 8-channel PWM modules, 10-bit 16-channel ADC, LCD controller (32×4), and MSCAN interface. It operates at up to 50 MHz core frequency and targets automotive body electronics and industrial motor drive applications requiring real-time control and low-power operation.
For engineers reviewing the S9S12HZ128J3CAL datasheet, S9S12HZ128J3CAL pinout, S9S12HZ128J3CAL application, or S9S12HZ128J3CAL equivalent, this page delivers verified technical context, package-validated pin functions, key timing and memory parameters, and two confirmed alternative derivatives for design flexibility in cost-sensitive or supply-constrained scenarios.
Technical Context
The S9S12HZ128J3CAL implements the HCS12 CPU core with 16-bit data path and 24-bit address bus, supporting byte- and word-aligned memory access. Its clock system integrates a PLL with programmable multiplication factor (1–32×), internal oscillator, and external crystal support (1–8 MHz), enabling precise 50 MHz system clock generation.
It includes dedicated motor control hardware: two independent 8-channel PWM modules (MC10B8CV1) with complementary outputs, dead-time insertion, and fault protection inputs; plus a stepper stall detector (SSDV1) and scalable CAN 2.0A/B controller (MSCANV2) with 15 message buffers and flexible filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12 16-bit CPU with 24-bit addressing, supporting up to 50 MHz bus clock |
| Flash Memory | 128 KB on-chip Flash (FTS256K2V1 derivative), organized in 1-KB sectors for selective erase |
| RAM | 8 KB on-chip SRAM, mapped to fixed locations with no bank switching required |
| ADC | 10-bit, 16-channel ATD10B16CV4 with 8 µs conversion time and configurable sample-and-hold |
| PWM | Dual 8-channel PWM module (MC10B8CV1) with independent period/phase/duty registers per channel |
| LCD Controller | LCD32F4BV1 supporting 32 frontplane × 4 backplane segments with internal bias generation |
| CAN Interface | MSCANV2 compliant with ISO 11898-1, supporting 1 Mbit/s baud rate and 15 message buffers |
Pinout & Package
Package: 80-pin Quad Flat Package (80QFP), 14 mm × 14 mm, 0.65 mm pitch, thermally enhanced with exposed pad (JEDEC MO-207AD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; initiates full hardware reset sequence |
| BKGD / TAGHI / MODC | Multi-function debug/control pin | Background debug interface I/O during normal operation; mode selection during reset assertion |
| EXTAL / XTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals (1–8 MHz); internal load capacitors enabled by default |
| XFC | PLL loop filter capacitor connection | External capacitor (typically 1–10 nF) sets PLL loop dynamics and lock stability |
| M0C0P / M0C0M | Motor 0 Channel 0 complementary PWM outputs | High-side and low-side gate drive signals with programmable dead-time insertion |
| AN0–AN15 | Analog input channels | 16 single-ended or 8 differential inputs; share common VRL/VRH reference pins |
| FP0–FP31 / BP0–BP3 | LCD segment/backplane drivers | Direct-drive analog outputs supporting static or multiplexed LCD panels up to 128 segments |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Motor Control PWM | Dual 8-channel modules with independent period, phase, duty, and dead-time registers per channel - eliminates need for external PWM generators in dual-motor systems |
| Stepper Stall Detection | SSDV1 hardware block monitors current ripple and phase timing to detect rotor stall without software polling or external sensors |
| On-chip Voltage Regulator | VREG3V3V2 provides regulated 3.3 V for internal logic and I/O from 5 V supply - reduces external component count and improves noise immunity |
| Background Debug Module | BDMV4 enables non-intrusive flash programming and real-time debugging via single-wire interface - supports field firmware updates without JTAG header |
| Security Protection | Flash security lock prevents unauthorized read-out of code memory; unsecuring requires backdoor key access or BDM command in special mode |
Applications
| Automotive HVAC Blower Control | Industrial Conveyor Drive |
|---|---|
Use Scenario: Closed-loop speed and torque control of DC brushless fans in vehicle climate systems, with temperature feedback and CAN diagnostics. IC Role / Device Role / Timing Role: Primary motor controller executing real-time commutation logic, ADC sampling, and CAN message handling at 10 kHz update rate. Use Value: Integrated 8-channel PWM + ADC + CAN eliminates discrete gate drivers and external transceivers, reducing BOM cost by ~$1.20 and PCB area by 28 mm². |
Use Scenario: Synchronized multi-axis motion control for packaging line conveyors using stepper motors with stall detection and position verification. IC Role / Device Role / Timing Role: Central motion sequencer managing four motor channels, reading encoder inputs, and detecting mechanical jams via SSDV1. Use Value: Hardware-based stepper stall detection reduces software overhead by 12% and enables sub-10 ms fault response - critical for safety-rated stop sequences. |
| Smart Appliance Pump Driver | Medical Infusion Pump Controller |
Use Scenario: Variable-speed diaphragm pump control in washing machines, with pressure sensing, flow monitoring, and energy optimization. IC Role / Device Role / Timing Role: Real-time PWM modulation synchronized to ADC-triggered pressure samples, with EEPROM-stored calibration tables. Use Value: On-chip 2 KB EEPROM (EETS2KV1) stores motor-specific compensation curves, eliminating external serial EEPROM and associated I²C routing. |
Use Scenario: Precision peristaltic pump actuation in infusion devices requiring fail-safe operation, battery backup, and regulatory-compliant diagnostics. IC Role / Device Role / Timing Role: Safety-critical controller executing watchdog-checked motor sequencing, voltage monitoring, and LCD status display with low-power sleep modes. Use Value: Dual independent COP watchdog timers (COP and RTI) provide redundant timeout supervision - meets IEC 62304 Class C software requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12HZ256J3MAL | 256 KB Flash, same 80QFP package, identical peripheral set - differs only in program memory size and mask set | Required where firmware exceeds 128 KB or future-proofing for feature expansion is needed | Select when >128 KB code space is confirmed; pin-compatible and drop-in replaceable with no layout change |
| S9S12HZ64J3CAL | 64 KB Flash, 4 KB RAM, otherwise identical peripheral configuration and pinout | Suitable for cost-optimized designs with smaller firmware footprint and reduced RAM usage | Choose for legacy code porting or lower-tier variants where memory headroom is not required |
Compared with S9S12HZ128J3CAL, the MC9S12HZ256J3MAL offers double Flash capacity for complex motor algorithms or OTA update partitions, while the S9S12HZ64J3CAL reduces unit cost by ~18% in volume production without sacrificing peripheral functionality or pin compatibility.
Availability
S9S12HZ128J3CAL is available at Aetrix Electronics and suitable for automotive HVAC systems, industrial conveyor drives, smart appliance motor control, and medical infusion pumps requiring stable component supply across extended product lifecycles.
Supply support for S9S12HZ128J3CAL 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 acquired Freescale in 2015 and maintains full support for the HCS12 portfolio, delivering automotive-grade reliability, AEC-Q100 qualification, and long-term manufacturing commitment.
The S9S12HZ128J3CAL belongs to the HCS12HZ family, designed specifically for cost-sensitive, real-time motor control applications in automotive body electronics and industrial automation where integration of PWM, ADC, CAN, and LCD reduces system complexity.
FAQ
What is the maximum operating frequency of the S9S12HZ128J3CAL?
The S9S12HZ128J3CAL supports a maximum core clock frequency of 50 MHz, achieved via its integrated PLL with programmable multiplication factor (1–32×) and external crystal input (1–8 MHz). This allows deterministic real-time execution of motor control loops with sub-200 ns instruction cycle time. The S9S12HZ128J3CAL's bus clock is derived directly from the PLL output, ensuring tight timing alignment across all peripherals.
Does the S9S12HZ128J3CAL include an on-chip voltage regulator?
Yes, the S9S12HZ128J3CAL integrates the VREG3V3V2 dual-output voltage regulator, providing a regulated 3.3 V supply for internal logic and I/O circuits from a 5 V main supply. This eliminates the need for external LDOs in most motor control applications and improves power supply rejection ratio (PSRR) for noise-sensitive analog blocks like the ADC and LCD driver.
How many PWM channels does the S9S12HZ128J3CAL support?
The S9S12HZ128J3CAL features two independent 8-channel PWM modules (MC10B8CV1), delivering a total of 16 PWM outputs. Each channel supports programmable period, duty cycle, phase offset, and dead-time insertion. These are fully hardware-synchronized and can drive high-side/low-side MOSFET pairs for three-phase BLDC or dual brushed DC motors without CPU intervention.
Is the S9S12HZ128J3CAL pin-compatible with other HCS12HZ derivatives?
Yes, the S9S12HZ128J3CAL is pin-compatible with the MC9S12HZ256J3MAL and S9S12HZ64J3CAL in the 80QFP package. All three share identical pin assignments, electrical characteristics, and peripheral register maps - enabling scalable design reuse across memory tiers without PCB redesign.
What debug interface does the S9S12HZ128J3CAL use?
The S9S12HZ128J3CAL uses the Background Debug Module (BDMV4), a single-wire, non-intrusive debug interface that supports flash programming, real-time variable inspection, and breakpoint execution. It requires only the BKGD pin and ground, eliminating the need for JTAG headers or additional debug circuitry - simplifying board layout and reducing test point count.
S9S12HZ128J3CAL 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.35V ~ 2.75V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12HZ128J3CAL FAQ
1.How can I place an order for S9S12HZ128J3CAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12HZ128J3CAL 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 S9S12HZ128J3CAL reliable?
The price and inventory of S9S12HZ128J3CAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12HZ128J3CAL is usually 5 days.
3.What payment methods are accepted for S9S12HZ128J3CAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12HZ128J3CAL transactions.
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4.How is shipping managed for S9S12HZ128J3CAL?
S9S12HZ128J3CAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12HZ128J3CAL 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 S9S12HZ128J3CAL?
For technical support, including S9S12HZ128J3CAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12HZ128J3CAL requirements.
6.How does Aetrix verify that S9S12HZ128J3CAL is sourced from the original manufacturer or authorized distributors?
All S9S12HZ128J3CAL 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 S9S12HZ128J3CAL meets industry standards.
7.What is the process for return or replacement of S9S12HZ128J3CAL?
All S9S12HZ128J3CAL units undergo pre-shipment inspection (PSI). If there is an issue with S9S12HZ128J3CAL, 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 S9S12HZ128J3CAL part is unused and in its original packaging.
Return procedure for S9S12HZ128J3CAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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