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NXP Semiconductors S9S12G64F0CLH
- Part No.:
- S9S12G64F0CLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S12G64F0CLH.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
S9S12G64F0CLH 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 +125°C ambient temperature, and includes 10-bit ADC (8-channel), PWM, SCI, SPI, and BDM debug interface - deployed in engine control units and body electronics modules.
For engineers reviewing the S9S12G64F0CLH datasheet, S9S12G64F0CLH pinout, S9S12G64F0CLH application, or S9S12G64F0CLH equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, 64 KB Flash with ECC protection, 16-pin CAN interface support, and compatibility with legacy S12G toolchains and development environments.
Technical Context
The S9S12G64F0CLH implements the CPU12 instruction set with 16-bit data/24-bit address bus, executes instructions at 1–25 MHz via internal PLL or external crystal (1–8 MHz). Its memory subsystem includes 64 KB Flash organized in 1-KB sectors with single-bit error correction and double-bit error detection, plus 4 KB of general-purpose SRAM with wait-state programmability.
Peripheral integration includes a 10-bit, 8-channel SAR ADC with configurable sample-and-hold and external trigger inputs; dual 8-bit PWM modules supporting center-aligned and edge-aligned modes; one MSCAN 2.0B module with 16 message buffers; and full-duplex SCI/SPI interfaces with independent baud rate generators and FIFO buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit addressing - enables deterministic real-time control and backward compatibility with legacy S12 codebases. |
| Flash Memory | 64 KB on-chip Flash with ECC - provides robust firmware storage for automotive applications requiring ASIL-B compliance. |
| SRAM | 4 KB on-chip SRAM - sufficient for stack, heap, and real-time variable storage in ECU boot and control loops. |
| ADC Resolution & Channels | 10-bit, 8-channel SAR ADC - supports precise sensor signal acquisition (e.g., throttle position, coolant temperature) with configurable conversion timing. |
| PWM Outputs | 8-channel 8-bit PWM with dead-time insertion - suitable for driving motor drivers and solenoid actuators in powertrain and chassis systems. |
| CAN Interface | One MSCAN 2.0B module (ISO 11898-1 compliant) - enables communication on vehicle CAN bus with message filtering and low-latency interrupt handling. |
| Operating Temperature | -40°C to +125°C ambient - qualified per AEC-Q100 Grade 1, enabling deployment in under-hood engine control modules. |
| Package | 80-pin LQFP (12 × 12 mm, 0.5 mm pitch) - provides mechanical stability and thermal performance for high-reliability automotive PCBs. |
Pinout & Package
Package: 80-pin LQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDX | Power supply inputs | Separate digital (VDD), analog (VDDA), and external oscillator (VDDX) rails - enable noise isolation for ADC and clock circuitry. |
| VSS, VSSA, VSSX | Ground returns | Dedicated digital (VSS), analog (VSSA), and oscillator (VSSX) grounds - reduce coupling between logic switching noise and sensitive analog/clock paths. |
| XTAL, EXTAL | Crystal oscillator terminals | Supports 1–8 MHz fundamental-mode crystals - provides stable system clock source with low jitter for timing-critical control loops. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up - ensures reliable initialization after power-on, brown-out, or watchdog timeout. |
| PORTA[7:0] | General-purpose I/O / ADC channel inputs | Configurable as GPIO or ADC inputs AD0–AD7 - allows flexible sensor interface routing without external multiplexing. |
| PORTB[7:0] | General-purpose I/O / PWM outputs | Supports PWM0–PWM7 outputs and IRQ inputs - enables direct drive of gate drivers and external interrupt handling. |
| CANRX, CANTX | CAN transceiver interface | Differential CAN bus physical layer interface - connects directly to ISO 11898-compliant transceivers for robust in-vehicle networking. |
| SCI0TX, SCI0RX | UART serial interface | Full-duplex asynchronous communication - used for diagnostics (KWP2000/UDS), calibration, and bootloader updates. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 64 KB Flash with single-bit correction/double-bit detection - prevents silent firmware corruption in safety-critical engine management functions. |
| Background Debug Module (BDM) | Single-wire debug interface compatible with standard BDM tools - enables non-intrusive real-time debugging and flash programming without halting CPU operation. |
| MSCAN 2.0B Controller | 16-message buffer with hardware ID filtering and transmit prioritization - reduces CPU overhead during high-bandwidth CAN traffic in multi-node networks. |
| Programmable Clock Generation | IPLL with selectable multiplication factor (1×–32×) and prescaler - allows dynamic clock scaling to balance performance vs. power consumption in stop/wait modes. |
| Low-Power Stop/Wait Modes | Multiple low-power states with wake-up on CAN, SCI, or external interrupt - extends battery life in always-on vehicle modules like body controllers. |
| AEC-Q100 Grade 1 Qualification | Validated for -40°C to +125°C operation with HTOL, TC, and ESD testing - meets functional safety requirements for automotive powertrain and chassis applications. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and OBD-II diagnostics in gasoline engines. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop PID algorithms with sub-millisecond interrupt latency. Use Value: 25 MHz CPU clock and deterministic interrupt response ensure precise actuator timing aligned with crankshaft position signals. |
Use Scenario: Centralized management of door locks, lighting, wipers, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and CAN gateway via integrated peripherals. Use Value: Integrated MSCAN and multiple SCI/SPI channels eliminate external protocol bridges, reducing BOM cost and board space. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
|
Use Scenario: Gear shift scheduling, clutch pressure control, and torque converter lock-up in automatic transmissions. IC Role / Device Role / Timing Role: Safety-aware controller with redundant ADC sampling and Flash ECC for ASIL-B compliance. Use Value: AEC-Q100 Grade 1 qualification and on-chip voltage monitoring ensure reliability under high-vibration, high-temperature transmission environments. |
Use Scenario: Motor current sensing, torque assist computation, and fault-safe shutdown in steer-by-wire systems. IC Role / Device Role / Timing Role: Real-time motor control MCU with synchronized PWM and ADC sampling for field-oriented control. Use Value: 8-channel 10-bit ADC with external trigger support enables precise current measurement across three motor phases. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12G48F0CLH | 48 KB Flash, same package and peripheral set - lacks 16 KB of program memory and associated sector ECC coverage. | Suitable for simpler BCM or sensor nodes where firmware footprint < 40 KB and ASIL-B redundancy is not required. | Select when cost-sensitive designs do not require full 64 KB firmware headroom or enhanced ECC coverage. |
| S9S12G128F0CLH | 128 KB Flash, identical pinout and peripheral complement - adds 64 KB of additional program memory and extended EEPROM emulation capability. | Targeted at complex ECUs requiring OTA update partitions, dual-bank firmware, or extensive diagnostic logging. | Choose when future-proofing for feature expansion, secure boot partitioning, or long-term software maintenance is critical. |
Compared with S9S12G48F0CLH, the S9S12G64F0CLH delivers higher firmware capacity and stronger ECC coverage for ASIL-B applications; versus S9S12G128F0CLH, it offers optimal cost/performance balance for mid-tier automotive control without over-provisioning memory.
Availability
S9S12G64F0CLH is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control systems requiring stable component supply, long lifecycle support, and automotive-grade traceability.
Supply support for S9S12G64F0CLH 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 markets, with deep expertise in automotive MCUs and functional safety.
The S9S12G64F0CLH belongs to the MC9S12G family - designed specifically for cost-optimized, AEC-Q100-qualified automotive control applications requiring real-time determinism, on-chip safety features, and legacy S12 software compatibility.
FAQ
What is the maximum operating frequency of the S9S12G64F0CLH?
The S9S12G64F0CLH achieves a maximum core clock frequency of 25 MHz using its internal PLL, which accepts 1–8 MHz crystal or external clock inputs. This frequency enables deterministic execution of control algorithms with sub-millisecond loop times required in engine and transmission control applications. The S9S12G64F0CLH maintains timing integrity across its full -40°C to +125°C operating range.
Does the S9S12G64F0CLH support CAN FD?
No, the S9S12G64F0CLH integrates the legacy MSCAN 2.0B module compliant with ISO 11898-1, supporting only Classical CAN (up to 1 Mbps) - not CAN FD. It does not implement the CAN FD protocol stack, bit-rate switching, or extended data length frames. For CAN FD requirements, designers must select newer S32K or SPC5 families instead of the S9S12G64F0CLH.
Is the S9S12G64F0CLH pin-compatible with other MC9S12G devices?
Yes, the S9S12G64F0CLH in the 80-pin LQFP package shares identical pinout and signal mapping with other MC9S12G family members in the same package option (e.g., S9S12G48F0CLH, S9S12G128F0CLH), enabling hardware reuse across firmware variants. All share common power, ground, clock, reset, and peripheral pin assignments per the MC9S12G Family Reference Manual Rev. 1.28.
What debug interface does the S9S12G64F0CLH use?
The S9S12G64F0CLH uses the Background Debug Module (BDM) interface - a single-wire, synchronous serial protocol compatible with standard BDM debuggers (e.g., P&E Multilink, SEGGER J-Link with BDM firmware). It supports full read/write memory access, breakpoint setting, and flash programming without requiring dedicated JTAG pins or external debug headers.
How is Flash memory protected against corruption in the S9S12G64F0CLH?
The S9S12G64F0CLH implements ECC (Error Correction Code) on its 64 KB Flash memory, providing single-bit error correction and double-bit error detection per 64-bit word. This protection is active during both normal execution and flash programming, ensuring firmware integrity in harsh automotive environments where radiation-induced bit flips or voltage transients could otherwise cause silent corruption.
S9S12G64F0CLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 54
- 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:
S9S12G64F0CLH FAQ
1.How can I place an order for S9S12G64F0CLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12G64F0CLH 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 S9S12G64F0CLH reliable?
The price and inventory of S9S12G64F0CLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12G64F0CLH is usually 5 days.
3.What payment methods are accepted for S9S12G64F0CLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12G64F0CLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12G64F0CLH?
S9S12G64F0CLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12G64F0CLH 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 S9S12G64F0CLH?
For technical support, including S9S12G64F0CLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12G64F0CLH requirements.
6.How does Aetrix verify that S9S12G64F0CLH is sourced from the original manufacturer or authorized distributors?
All S9S12G64F0CLH 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 S9S12G64F0CLH meets industry standards.
7.What is the process for return or replacement of S9S12G64F0CLH?
All S9S12G64F0CLH units undergo pre-shipment inspection (PSI). If there is an issue with S9S12G64F0CLH, 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 S9S12G64F0CLH part is unused and in its original packaging.
Return procedure for S9S12G64F0CLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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