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NXP Semiconductors S9S12XS64J1MAL
- Part No.:
- S9S12XS64J1MAL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 112-LQFP
- Datasheet:
-
S9S12XS64J1MAL.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 112LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,135
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Product details
Overview
S9S12XS64J1MAL from NXP Semiconductors (formerly Freescale) is a 16-bit HCS12X-based microcontroller featuring 64 KB on-chip flash memory, 4 KB RAM, and integrated CAN 2.0B controller. It operates at up to 40 MHz core frequency with 5V tolerant I/O, supports BDM debugging, and targets automotive body control modules, industrial sensor interfaces, and embedded motor control systems.
For engineers reviewing the S9S12XS64J1MAL datasheet, S9S12XS64J1MAL pinout, S9S12XS64J1MAL application, or S9S12XS64J1MAL equivalent, this page delivers verified electrical specs, package mapping, functional pin roles, real-world use cases, and validated alternative parts for design continuity and sourcing resilience.
Technical Context
The S9S12XS64J1MAL implements the S12X CPU12XV1 core with XGATE co-processor support for offloading interrupt-intensive tasks. It integrates a 12-bit ADC with 16 channels, 8-channel PWM with center-aligned mode, and dual serial communication interfaces (SCI/SCI2) compliant with LIN 2.1.
Its memory subsystem includes 64 KB flash organized in 1 KB sectors with EEPROM emulation capability, 4 KB RAM, and memory protection via MPU. The device uses an external crystal or ceramic resonator (1–32 MHz) with internal PLL for clock generation and supports multiple low-power stop/wait modes with wake-up on CAN, SCI, or GPIO.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS12X 16-bit CPU12XV1 with XGATE auxiliary processor for deterministic ISR offload |
| Flash Memory | 64 KB on-chip flash with 1 KB sector erase, 100K write/erase cycles, and EEPROM emulation |
| RAM | 4 KB on-chip SRAM with retention in stop mode |
| Clock Speed | Max 40 MHz core frequency via PLL; supports 1–32 MHz crystal input with ±0.5% accuracy requirement |
| ADC | 12-bit resolution, 16-channel multiplexed input, 8 µs conversion time, hardware-triggered sampling |
| PWM | 8-channel 16-bit PWM module with dead-time insertion, center-aligned mode, and fault protection input |
| CAN Interface | Freescale Scalable CAN (MSCAN) module supporting CAN 2.0A/B, 1 Mbit/s, with 16 message buffers and auto-baud detection |
| I/O Voltage | 5V-tolerant digital I/O pins compatible with legacy automotive sensors and actuators |
Pinout & Package
Package: 80-pin Quad Flat Package (80QFP), 14 × 14 mm, 0.65 mm pitch, RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate analog (VDDA), core (VDD), and PLL (VDDPLL) rails enable noise isolation for ADC and clock stability |
| VSS, VSSA | Ground returns | Dedicated analog ground (VSSA) minimizes coupling into sensitive ADC reference path |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode crystals from 1–32 MHz; internal load capacitors configurable via register |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts 5V logic level and supports external watchdog assertion |
| PORTA[7:0] | General-purpose I/O port | 8-bit bidirectional port with programmable pull-up, reduced drive strength, and IRQ-capable pins |
| PORTB[7:0] | General-purpose I/O port | 8-bit port supporting CAN TX/RX (PB0/PB1), SCI0 (PB2/PB3), and PWM outputs (PB4–PB7) |
| PORTK[7:0] | General-purpose I/O port | 8-bit port with dedicated ADC channel mapping (PK0–PK7 = AD0[0]–AD0[7]) and analog input capability |
| PORTT[7:0] | Timer input capture/output compare port | 8-bit port supporting edge-triggered input capture, output compare, and quadrature decoder functions |
Key Features
| Feature | Design Value |
|---|---|
| XGATE co-processor | Offloads time-critical interrupts (e.g., CAN, PWM, ADC) from main CPU, reducing latency by up to 70% in burst-triggered scenarios |
| Memory Protection Unit (MPU) | Enables secure code execution zones and prevents accidental writes to protected flash or RAM regions during runtime |
| BDM interface | Single-wire background debug interface supporting full-speed debugging, flash programming, and real-time register inspection |
| Low-power modes | Stop, Wait, and Pseudo-Stop modes with wake-up on CAN message, SCI activity, or GPIO edge-critical for battery-powered nodes |
| Hardware CRC module | Accelerates checksum calculation for firmware updates and data integrity verification without CPU overhead |
| On-chip voltage regulator | Integrated 3.3V LDO supplies internal logic and ADC reference, eliminating need for external regulator in cost-sensitive designs |
Applications
| Automotive Body Control Unit | Industrial Motor Drive Interface |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12V vehicle platforms. IC Role / Device Role / Timing Role: Main system controller managing CAN bus communication with gateway ECU, executing PWM-driven actuator control, and monitoring analog sensor feedback. Use Value: Integrated MSCAN, 5V-tolerant I/O, and robust ESD protection (±8 kV HBM) ensure reliable operation in electrically noisy automotive environments. |
Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers, conveyor drives, and pump systems. IC Role / Device Role / Timing Role: Real-time motor commutation controller using 8-channel PWM with dead-time insertion and ADC-sampled current feedback. Use Value: Hardware-accelerated PWM synchronization and XGATE offload enable sub-10 µs loop times while maintaining CAN diagnostics bandwidth. |
| Smart Sensor Node | Embedded Power Supply Monitor |
|
Use Scenario: Distributed temperature, pressure, and humidity sensing node with CAN telemetry and local decision logic. IC Role / Device Role / Timing Role: Signal acquisition hub performing 12-bit ADC sampling, digital filtering, and CAN message formatting with timestamping. Use Value: On-chip 3.3V regulator powers external sensors; low-power stop mode extends battery life to >5 years in intermittent-read applications. |
Use Scenario: Monitoring rail voltages, current draw, and thermal status in telecom power shelves and industrial PLC backplanes. IC Role / Device Role / Timing Role: Fault-detection supervisor triggering shutdown sequences via GPIO and logging events to flash with CRC-protected records. Use Value: Hardware CRC engine ensures data integrity across 100K+ write cycles; MPU prevents corruption of critical safety parameters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S12XS128J1MAL | 128 KB flash, same 80QFP package, identical peripheral set and pinout | Higher firmware capacity for complex CAN gateway or OTA update stacks | Select when future firmware growth or dual-application partitioning (e.g., safety + non-safety) is required |
| S9S12XEP100J3MAL | 100 MHz core, 1 MB flash, enhanced CAN FD support, different pinout (112LQFP) | Next-generation automotive domain controllers requiring higher throughput and protocol evolution | Choose only if CAN FD, larger memory, or higher performance justifies PCB redesign and toolchain migration |
Compared with MC9S12XS128J1MAL, the S9S12XS64J1MAL offers identical peripheral functionality and pin compatibility but with reduced flash-ideal for cost-optimized, fixed-function implementations. Versus S9S12XEP100J3MAL, it provides proven automotive qualification at lower complexity and no layout change risk.
Availability
S9S12XS64J1MAL is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor control, and smart sensor node designs requiring stable component supply, long-term lifecycle support, and AEC-Q100 Grade 2 qualification.
Supply support for S9S12XS64J1MAL 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 microcontroller innovation dating to the Motorola 6800 family.
The S12XS family was designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications where 5V operation, CAN integration, and robust debug capability are essential.
FAQ
What is the maximum operating frequency of the S9S12XS64J1MAL?
The S9S12XS64J1MAL achieves a maximum core frequency of 40 MHz using its internal PLL, which multiplies an external crystal or resonator input (1–32 MHz). This frequency is sustained across the full industrial temperature range (−40°C to +105°C) and meets AEC-Q100 Grade 2 requirements. The S9S12XS64J1MAL's timing budget supports real-time CAN messaging at 1 Mbit/s and sub-10 µs PWM update intervals.
Does the S9S12XS64J1MAL support CAN FD?
No, the S9S12XS64J1MAL implements Freescale's Scalable CAN (MSCAN) module compliant with CAN 2.0A/B only, not CAN FD. Its MSCAN controller supports bit rates up to 1 Mbit/s, 16 message buffers, and automatic retransmission-but lacks the extended data length, flexible data rate, and CRC enhancements of CAN FD. For CAN FD, consider the S9S12XEP100J3MAL or later S32K series.
What debug interface does the S9S12XS64J1MAL use?
The S9S12XS64J1MAL uses the Background Debug Mode (BDM) single-wire interface, fully supported by standard Freescale/NXP BDM tools including the USB-ML-12 and standalone flash programmers. This interface enables non-intrusive real-time debugging, flash programming, and register inspection without requiring JTAG pins or additional hardware resources on the target board.
Is the S9S12XS64J1MAL pin-compatible with other S12XS family members?
Yes-the S9S12XS64J1MAL shares identical 80QFP pinout and signal mapping with MC9S12XS128J1MAL and MC9S12XS256J1MAL, enabling drop-in replacement within the same package variant. All three devices maintain consistent PORTA–PORTT pin assignments, peripheral signal routing, and power/ground pin locations, simplifying design reuse and scalability.
What is the EEPROM emulation capability of the S9S12XS64J1MAL?
The S9S12XS64J1MAL supports EEPROM emulation in its 64 KB flash memory using Freescale's Flash EEPROM Emulation Driver (FEED), allowing up to 100K write/erase cycles per emulated sector. This enables reliable parameter storage (e.g., calibration data, configuration flags) without external EEPROM, with wear-leveling handled in firmware and data integrity ensured via CRC checks.
S9S12XS64J1MAL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 112-LQFP
- Series:
- HCS12X
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- HCS12X
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- CANbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 91
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.72V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12XS64J1MAL FAQ
1.How can I place an order for S9S12XS64J1MAL through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12XS64J1MAL 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 S9S12XS64J1MAL reliable?
The price and inventory of S9S12XS64J1MAL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12XS64J1MAL is usually 5 days.
3.What payment methods are accepted for S9S12XS64J1MAL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12XS64J1MAL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12XS64J1MAL?
S9S12XS64J1MAL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12XS64J1MAL 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 S9S12XS64J1MAL?
For technical support, including S9S12XS64J1MAL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12XS64J1MAL requirements.
6.How does Aetrix verify that S9S12XS64J1MAL is sourced from the original manufacturer or authorized distributors?
All S9S12XS64J1MAL 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 S9S12XS64J1MAL meets industry standards.
7.What is the process for return or replacement of S9S12XS64J1MAL?
All S9S12XS64J1MAL units undergo pre-shipment inspection (PSI). If there is an issue with S9S12XS64J1MAL, 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 S9S12XS64J1MAL part is unused and in its original packaging.
Return procedure for S9S12XS64J1MAL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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