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NXP Semiconductors S9S12GN32F0MLFR
- Part No.:
- S9S12GN32F0MLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S12GN32F0MLFR.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,182
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Product details
Overview
S9S12GN32F0MLFR from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 32 KB on-chip Flash with ECC, 2 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 (8-channel), and background debug interface. It is used in engine control modules, body electronics, and transmission control units.
For engineers reviewing the S9S12GN32F0MLFR datasheet, S9S12GN32F0MLFR pinout, S9S12GN32F0MLFR application, or S9S12GN32F0MLFR equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, 32 KB Flash with ECC protection, 8-channel 10-bit ADC with external trigger support, and native CAN 2.0B compliance for automotive network integration.
Technical Context
The S9S12GN32F0MLFR implements the S12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions from on-chip Flash or RAM. Its memory subsystem includes 32 KB Flash (organized as 16 K × 16), 2 KB SRAM, and 512 B EEPROM emulation via Flash. The device integrates a 16-bit Timer Module (TIM) with input capture/output compare, and a Pulse-Width Modulator (PWM) with 8 independent channels and dead-time insertion.
It features dual clock sources: a 1–8 MHz external crystal oscillator (XOSC) and an internal RC oscillator (IRC) at 1 MHz, both feeding an internal PLL to generate system clocks up to 25 MHz. The MCU supports multiple low-power modes (Wait, Stop, and Freeze), with wake-up capability via IRQ, timer, or CAN interrupt - critical for battery-sensitive automotive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | S12 CPU12 16-bit CISC core with 16 MB linear address space and 25 MHz max bus frequency |
| Flash Memory | 32 KB on-chip Flash with ECC, supporting in-application programming (IAP) and 100K erase/write cycles |
| RAM | 2 KB on-chip SRAM with retention during Stop mode for critical state storage |
| ADC | 10-bit successive approximation ADC with 8 input channels, 12.5 µs conversion time, and external trigger support |
| CAN Interface | Scalable Controller Area Network (MSCAN) module compliant with ISO 11898-1:2003, supporting CAN 2.0B protocol with 32 message buffers |
| Operating Temperature | -40°C to +125°C ambient, qualified per AEC-Q100 Grade 1 for under-hood automotive use |
| Supply Voltage | 4.5 V to 5.5 V single supply, with on-chip 5 V voltage regulator (VREG) for internal logic and analog blocks |
Pinout & Package
Package: 48-pin QFP (MLF48, 7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| 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 ADC and clock circuits |
| VSS, VSSA, VSSPLL | Ground terminals | Dedicated digital (VSS), analog (VSSA), and PLL (VSSPLL) grounds minimize coupling between domains |
| XTAL, EXTAL | Crystal oscillator connections | Supports 1–8 MHz fundamental-mode crystals for precise timing and AEC-Q100 clock stability requirements |
| CANH, CANL | CAN differential bus interface | Direct connection to ISO 11898-compliant physical layer transceiver; no external termination required |
| PT0–PT7 | Timer input capture/output compare pins | 8 dedicated timer I/O pins support edge-triggered capture, PWM output, and quadrature decoding |
| AD0–AD7 | Analog input channels | 8 single-ended ADC inputs with programmable gain and reference selection (VRL/VREFH) |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with ECC | 32 KB Flash includes error detection and correction logic to meet ASIL-B functional safety requirements |
| Background Debug Module (BDM) | Single-wire debug interface enables non-intrusive flash programming, real-time register inspection, and breakpoint debugging |
| Integrated MSCAN Controller | Hardware-accelerated CAN 2.0B with 32 message buffers, automatic retransmission, and flexible filtering |
| Low-Power Stop Mode | Current draw < 10 µA in Stop mode with RTC and selected wakeup sources active - extends battery life in always-on systems |
| Programmable Clock Generation | Internal PLL with selectable multiplication factors (1×–16×) allows dynamic clock scaling for performance vs. power trade-offs |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline direct injection engines. IC Role / Device Role / Timing Role: Primary engine management MCU executing closed-loop fuel and spark timing algorithms with sub-millisecond interrupt latency. Use Value: 10-bit ADC with external trigger synchronization ensures precise sampling aligned to crankshaft encoder edges, improving combustion efficiency by ±0.5° timing accuracy. |
Use Scenario: Centralized control of door locks, window lifts, lighting, and HVAC actuators in premium vehicle platforms. IC Role / Device Role / Timing Role: System coordinator managing LIN slave nodes and local PWM-driven motor drivers via integrated 8-channel PWM. Use Value: Integrated CAN and LIN-compatible SCI interfaces reduce external transceiver count; 8-channel PWM enables concurrent control of 4 bidirectional motors with programmable dead time. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
Use Scenario: Gear shift logic, solenoid driver control, and torque converter clutch management in 6-speed automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical actuator controller with watchdog supervision, CRC-protected Flash, and dual-clock domain validation. Use Value: AEC-Q100 Grade 1 qualification and ECC-protected Flash ensure reliable operation at 125°C under-hood temperatures for >15-year service life. |
Use Scenario: Signal conditioning and preprocessing of radar or ultrasonic sensor outputs before forwarding to ADAS domain controller. IC Role / Device Role / Timing Role: Edge-triggered ADC acquisition node synchronizing to external sensor pulse triggers for time-of-flight measurement. Use Value: ADC external trigger input (ETRIG0) enables deterministic sampling aligned to sensor emission pulses, reducing jitter-induced range error to <1 cm. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN16F0MLFR | 16 KB Flash, identical package and peripheral set; lacks 16 KB additional Flash and associated memory mapping flexibility | Suitable for simpler body electronics where code footprint remains below 16 KB; not recommended for full ECU implementations | Select when cost sensitivity outweighs future firmware scalability needs and Flash headroom is confirmed ≥20%. |
| MC9S12XEP100MALR | Enhanced S12X core, 1 MB Flash, 50 MHz bus speed, and XGATE coprocessor; larger 112-pin LQFP package | Targeted at high-end powertrain and chassis control requiring parallel processing and larger memory footprint | Choose only when application demands >32 KB Flash, hardware-accelerated math, or multi-core offload - not a drop-in replacement. |
Compared with S9S12GN32F0MLFR, the S9S12GN16F0MLFR offers identical peripheral functionality at lower Flash density and cost, while the MC9S12XEP100MALR delivers significantly higher performance and memory but requires PCB redesign and software migration due to architectural and packaging differences.
Availability
S9S12GN32F0MLFR is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across extended automotive production lifecycles.
Supply support for S9S12GN32F0MLFR 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S12GN32F0MLFR belongs to the S12G family - a line of AEC-Q100-qualified 16-bit MCUs designed specifically for cost-sensitive, thermally demanding automotive body and powertrain applications requiring functional safety and long-term supply stability.
FAQ
What is the maximum operating frequency of the S9S12GN32F0MLFR?
The S9S12GN32F0MLFR supports a maximum bus frequency of 25 MHz, achieved via its internal Phase-Locked Loop (IPLL) that multiplies the input clock (from external crystal or internal RC oscillator). This frequency is validated across the full -40°C to +125°C temperature range and meets AEC-Q100 Grade 1 specifications for sustained operation in under-hood environments.
Does the S9S12GN32F0MLFR include hardware-based error correction for Flash memory?
Yes, the S9S12GN32F0MLFR includes on-chip ECC (Error Correction Code) logic for its 32 KB Flash memory. This feature detects and corrects single-bit errors and detects double-bit errors in real time, supporting functional safety requirements such as ISO 26262 ASIL-B for automotive control applications.
Can the S9S12GN32F0MLFR operate without an external crystal?
Yes, the S9S12GN32F0MLFR can operate using its internal 1 MHz RC oscillator (IRC) as the clock source, enabling basic functionality during startup or in crystal-failure scenarios. However, for CAN communication, precise timing-critical ADC sampling, or AEC-Q100 compliance, an external 4–8 MHz crystal on XTAL/EXTAL is required.
How many CAN message buffers does the S9S12GN32F0MLFR support?
The S9S12GN32F0MLFR integrates the MSCAN module with 32 configurable message buffers, each supporting standard (11-bit) or extended (29-bit) CAN identifiers, programmable acceptance filtering, and automatic retransmission. This enables robust handling of mixed-priority messages in automotive networks without CPU intervention.
Is the S9S12GN32F0MLFR pin-compatible with other S12G family members in the same package?
Yes, the S9S12GN32F0MLFR in the 48-pin QFP (MLF48) package shares identical pinout with S9S12GN16F0MLFR and S9S12GNA32F0MLFR. This allows hardware reuse across variants differing only in Flash size or analog feature sets, simplifying design scalability and inventory management.
S9S12GN32F0MLFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HCS12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 12V1
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- IrDA, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.13V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12GN32F0MLFR FAQ
1.How can I place an order for S9S12GN32F0MLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN32F0MLFR 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 S9S12GN32F0MLFR reliable?
The price and inventory of S9S12GN32F0MLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN32F0MLFR is usually 5 days.
3.What payment methods are accepted for S9S12GN32F0MLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN32F0MLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN32F0MLFR?
S9S12GN32F0MLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN32F0MLFR 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 S9S12GN32F0MLFR?
For technical support, including S9S12GN32F0MLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN32F0MLFR requirements.
6.How does Aetrix verify that S9S12GN32F0MLFR is sourced from the original manufacturer or authorized distributors?
All S9S12GN32F0MLFR 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 S9S12GN32F0MLFR meets industry standards.
7.What is the process for return or replacement of S9S12GN32F0MLFR?
All S9S12GN32F0MLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN32F0MLFR, 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 S9S12GN32F0MLFR part is unused and in its original packaging.
Return procedure for S9S12GN32F0MLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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