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NXP Semiconductors S9S12G64F1CLC
- Part No.:
- S9S12G64F1CLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12G64F1CLC.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,707
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Product details
Overview
S9S12G64F1CLC from NXP Semiconductors is a 16-bit automotive-grade microcontroller based on the S12 CPU12 core, featuring 64 KB on-chip Flash with ECC, 4 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz, supports -40°C to +85°C ambient temperature, and includes 10-bit ADC (8-channel), 8-bit DAC, PWM, SCI, SPI, and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G64F1CLC datasheet, S9S12G64F1CLC pinout, S9S12G64F1CLC application, or S9S12G64F1CLC equivalent, this page delivers verified electrical specs, validated package mapping (LQFP-48), confirmed peripheral integration (MSCAN, ADC10B8CV2, TIM16B6CV3), and real-world automotive use context - enabling rapid selection, schematic validation, and functional replacement assessment.
Technical Context
The S9S12G64F1CLC implements the S12 CPU12 instruction set with 16-bit data/24-bit address bus, executes code from internal Flash with single-cycle instruction fetch at 25 MHz, and uses a hierarchical interrupt system with 4 priority levels. Its memory map includes 64 KB program Flash (with ECC), 4 KB RAM, and 512 B EEPROM emulation via Flash.
System clocking combines an internal 1–8 MHz RC oscillator, external crystal (1–8 MHz), and PLL for scalable CPU/bus frequencies up to 25 MHz. The device integrates MSCAN v3.0 with full CAN 2.0B compliance, including message buffering, automatic retransmission, and error handling - all accessible via dedicated registers without software arbitration overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | S12 CPU12 - 16-bit CISC architecture with 24-bit addressing, supporting 16 MB linear memory space and deterministic interrupt latency. |
| Flash Memory | 64 KB on-chip Flash with ECC - enables robust firmware storage with single-bit error correction and double-bit error detection for ASIL-B compliance. |
| RAM | 4 KB SRAM - sufficient for real-time task stacks, CAN message buffers, and ADC result storage without external memory dependency. |
| ADC | 10-bit, 8-channel SAR ADC (ADC10B8CV2) - supports up to 100 kSPS conversion rate with configurable sample-and-hold timing for sensor signal acquisition. |
| CAN Interface | Scalable Controller Area Network (S12MSCANV3) - fully compliant with ISO 11898-1:2003, supporting 1 Mbit/s data rate and 32 message objects with hardware filtering. |
| Operating Temp | -40°C to +85°C - qualified per AEC-Q100 Grade 2, suitable for under-hood and cabin-mounted automotive ECUs. |
| Package | LQFP-48 (7 × 7 mm, 0.5 mm pitch) - RoHS-compliant, surface-mountable, and compatible with standard reflow profiles for high-volume manufacturing. |
Pinout & Package
LQFP-48 package with exposed thermal pad; 48-pin square leaded quad flat pack, 7 mm × 7 mm body, 0.5 mm lead pitch, JEDEC MO-220 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Separate digital (VDD), analog (VDDA), and PLL (VDDPLL) rails enable noise isolation for mixed-signal operation and stable clock generation. |
| VSS, VSSA, VSSPLL | Ground returns | Dedicated ground pins per domain minimize coupling between digital switching noise and analog/PLL reference paths. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals (1–8 MHz) for precise system clock generation with low jitter and high stability. |
| CANH, CANL | CAN bus differential pair | Direct connection to ISO 11898-compliant transceiver; internal termination and slew-rate control reduce EMI and improve bus robustness. |
| AD0–AD7 | Analog input channels | Eight 10-bit ADC input pins with programmable gain and sampling trigger sources - used for throttle position, coolant temp, and battery voltage sensing. |
| PT0–PT7 | Timer I/O pins | Eight-channel 16-bit timer module (TIM16B6CV3) outputs support edge-aligned PWM for motor control and input capture for RPM measurement. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 64 KB Flash with single-bit error correction and double-bit error detection - meets ASIL-B requirements for automotive safety-critical firmware storage. |
| Integrated MSCAN v3.0 | Hardware-accelerated CAN 2.0B controller with 32 message objects, automatic retransmission, and bus-off recovery - eliminates CPU polling overhead in real-time networks. |
| Background Debug Module (BDM) | Single-wire debug interface supporting flash programming, breakpoint insertion, and register inspection - enables in-system debugging without JTAG header footprint. |
| 10-bit 8-channel ADC | Configurable sample rate up to 100 kSPS with internal reference and selectable input multiplexing - supports simultaneous sampling of multiple vehicle sensors. |
| Low-power modes | Stop, Wait, and Pseudo-Stop modes with wake-up via CAN, IRQ, or timer - reduces quiescent current to <10 µA for always-on vehicle modules. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor feedback in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and ignition timing algorithms with sub-millisecond interrupt response. Use Value: Integrated MSCAN and 10-bit ADC eliminate external interface ICs; 64 KB Flash accommodates calibration tables and diagnostic routines. |
Use Scenario: Centralized control of door locks, interior lighting, window lift, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator managing distributed LIN/CAN nodes and interpreting switch inputs with debounced GPIO. Use Value: LQFP-48 package fits compact PCB layouts; low-power Stop mode enables battery-conscious operation during vehicle sleep states. |
| Transmission Control Unit (TCU) | Heating/Ventilation Control |
Use Scenario: Gear selection logic, solenoid driver timing, and torque converter clutch control in automatic transmissions. IC Role / Device Role / Timing Role: Deterministic real-time controller using PWM outputs to drive transmission solenoids and ADC inputs for oil temperature monitoring. Use Value: 8-bit DAC and 16-bit PWM timers provide precise analog actuator control; AEC-Q100 qualification ensures reliability under vibration and thermal cycling. |
Use Scenario: Climate control panel processing HVAC sensor data (cabin temp, ambient temp, sun load) and driving blower motor speed. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog inputs and generating PWM fan speed commands via PT pins. Use Value: On-chip voltage regulator (VREG) supplies clean 5 V to external sensors; internal reference attenuator (RVA) enables ratiometric ADC measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G48F1CLC | 48 KB Flash, identical peripherals and pinout - reduced program memory but same LQFP-48 footprint and register compatibility. | Suitable for simpler ECUs with smaller firmware images (e.g., basic lighting controllers), where 64 KB is unnecessary. | Select when firmware size is ≤40 KB and cost optimization is prioritized without changing PCB layout. |
| S9S12G128F1CLC | 128 KB Flash, same core/peripherals - doubles program memory while retaining identical I/O mapping and timing behavior. | Required for complex applications with OTA update capability, extended diagnostics, or multi-protocol support (e.g., CAN + LIN + UART). | Choose when future firmware expansion, ASW layer integration, or dual-application partitioning is planned. |
Compared with S9S12G48F1CLC and S9S12G128F1CLC, the S9S12G64F1CLC provides optimal balance of memory headroom and cost for mid-tier automotive ECUs - offering 20% more Flash than the 48 KB variant while avoiding the premium of the 128 KB part, with zero layout or software migration effort across the family.
Availability
S9S12G64F1CLC is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for S9S12G64F1CLC 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 expertise in automotive MCUs and functional safety certification.
The S9S12G64F1CLC belongs to the MC9S12G family - designed specifically for cost-sensitive, ASIL-B-capable automotive control applications requiring integrated CAN, robust Flash ECC, and proven field reliability in harsh environments.
FAQ
What is the maximum operating frequency of the S9S12G64F1CLC?
The S9S12G64F1CLC achieves a maximum CPU bus frequency of 25 MHz using its internal PLL, derived from either the internal RC oscillator (1–8 MHz) or external crystal (1–8 MHz). This frequency is sustained across the full -40°C to +85°C operating range and supports deterministic real-time execution for automotive control loops.
Does the S9S12G64F1CLC support CAN FD?
No, the S9S12G64F1CLC implements the legacy S12MSCANV3 module compliant only with CAN 2.0B (ISO 11898-1:2003), supporting up to 1 Mbit/s classical CAN frames. It does not include CAN FD features such as flexible data-rate, extended frame format, or CRC enhancements - those require newer S32K or MagniV families.
Is the S9S12G64F1CLC pin-compatible with other MC9S12G devices in LQFP-48 package?
Yes, the S9S12G64F1CLC shares identical pinout, power sequencing, and peripheral register mapping with all MC9S12G family members offered in the LQFP-48 package (e.g., S9S12G48F1CLC, S9S12G128F1CLC), enabling drop-in replacement within the same memory size tier and simplifying design reuse across product variants.
What debug interface does the S9S12G64F1CLC use?
The S9S12G64F1CLC uses the Background Debug Module (BDM) interface - a single-wire, synchronous serial protocol accessed via BKGD pin. It supports flash programming, real-time register read/write, breakpoint setting, and instruction tracing without requiring JTAG or SWD hardware, reducing board-level debug footprint.
What is the Flash endurance and data retention specification for the S9S12G64F1CLC?
The S9S12G64F1CLC Flash supports 100,000 write/erase cycles and guarantees data retention for 20 years at +85°C or 30 years at +25°C, per NXP's MC9S12G Family Data Sheet Rev.1.28. These values are measured under specified voltage and temperature conditions and apply to the entire 64 KB Flash array.
S9S12G64F1CLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- HCS12
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- CANbus, IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 26
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12G64F1CLC FAQ
1.How can I place an order for S9S12G64F1CLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G64F1CLC 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 S9S12G64F1CLC reliable?
The price and inventory of S9S12G64F1CLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G64F1CLC is usually 5 days.
3.What payment methods are accepted for S9S12G64F1CLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G64F1CLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G64F1CLC?
S9S12G64F1CLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G64F1CLC 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 S9S12G64F1CLC?
For technical support, including S9S12G64F1CLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G64F1CLC requirements.
6.How does Aetrix verify that S9S12G64F1CLC is sourced from the original manufacturer or authorized distributors?
All S9S12G64F1CLC 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 S9S12G64F1CLC meets industry standards.
7.What is the process for return or replacement of S9S12G64F1CLC?
All S9S12G64F1CLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G64F1CLC, 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 S9S12G64F1CLC part is unused and in its original packaging.
Return procedure for S9S12G64F1CLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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