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NXP Semiconductors S9S12GN32F1VLCR
- Part No.:
- S9S12GN32F1VLCR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S12GN32F1VLCR.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,778
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Product details
Overview
S9S12GN32F1VLCR 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 +105°C ambient temperature, and includes 8-channel 16-bit timer, 10-bit ADC (8-channel), and PWM modules. It targets engine control units and body electronics requiring functional safety support.
For engineers reviewing the S9S12GN32F1VLCR datasheet, S9S12GN32F1VLCR pinout, S9S12GN32F1VLCR application, or S9S12GN32F1VLCR equivalent, key selection criteria include AEC-Q100 Grade 2 qualification, on-chip voltage regulator, background debug interface (BDM), and compatibility with legacy S12 code bases for cost-sensitive automotive ECU upgrades.
Technical Context
The S9S12GN32F1VLCR implements the CPU12 core with 16-bit data path and 24-bit address bus, supporting both single-chip and expanded multiplexed bus modes. Its memory subsystem includes 32 KB Flash organized in 512-byte sectors with error correction, 2 KB SRAM, and 512 B EEPROM emulation via Flash.
Peripherals are tightly coupled via the S12G Memory Map Controller and Port Integration Module (PIM), enabling flexible pin routing for ADC inputs, CAN TX/RX, PWM outputs, and SCI/SPI interfaces. Clock generation uses internal RC oscillator (1 MHz), external crystal (1–32 MHz), and PLL for stable 25 MHz system clock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPU12 16-bit CISC core with 24-bit addressing and 16 MB linear address space |
| Flash Memory | 32 KB with ECC protection; enables robust firmware storage and field updates in harsh environments |
| SRAM | 2 KB on-chip static RAM for real-time variable storage and stack operations |
| ADC Resolution | 10-bit successive approximation ADC with 8 input channels and configurable sample time |
| CAN Interface | Scalable CAN 2.0B module supporting 1 Mbit/s baud rate and message buffering for automotive networking |
| Operating Temp | -40°C to +105°C ambient; qualified per AEC-Q100 Grade 2 for under-hood applications |
| Supply Voltage | 5.0 V ±10%; integrates on-chip 5 V regulator eliminating need for external LDO in many designs |
| Debug Interface | Background Debug Mode (BDM) via single-wire BKGD pin; supports flash programming and real-time debugging |
Pinout & Package
LQFP-48 package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDPLL | Power supply inputs | Dedicated domains for digital logic, analog circuitry, and PLL-enabling noise isolation and stable timing |
| VSS, VSSA, VSSPLL | Ground returns | Separate ground paths minimize coupling between digital switching noise and sensitive analog/PLL circuits |
| XTAL, EXTAL | Crystal oscillator terminals | Supports fundamental-mode quartz crystals up to 32 MHz; enables precise clock source for CAN and ADC timing |
| BKGD | Single-wire debug interface | Enables non-intrusive firmware download, breakpoint setting, and register inspection without halting real-time operation |
| CANRX, CANTX | CAN physical layer I/O | Differential bus interface compliant with ISO 11898-2; requires external transceiver for bus connection |
| AD0–AD7 | Analog input channels | 8-pin multiplexed ADC inputs supporting programmable gain and reference selection (VRL/VREFH) |
| PT0–PT7 | Timer I/O pins | Configurable as input capture, output compare, or PWM outputs with edge-aligned or center-aligned modes |
| SCI0TX, SCI0RX | UART serial interface | Full-duplex asynchronous communication at up to 115.2 kbps; used for diagnostics and bootloader interaction |
Key Features
| Feature | Design Value |
|---|---|
| On-chip voltage regulator | Integrated 5 V regulator reduces BOM count and improves power supply rejection in noisy automotive environments |
| ECC-protected Flash | Single-bit error correction and double-bit error detection ensure firmware integrity over 15+ year vehicle lifetimes |
| AEC-Q100 Grade 2 | Qualified for operation at 105°C ambient-enables placement in high-temperature zones like engine compartments |
| Flexible pin routing (PIM) | Allows remapping of peripheral functions (e.g., SCI, SPI, PWM) to alternate pins-simplifying PCB layout and reuse across variants |
| Background Debug (BDM) | Enables in-system programming and real-time debugging without dedicated JTAG header or target reset interruption |
| CAN 2.0B with 15 message buffers | Hardware message filtering and prioritization reduce CPU overhead in multi-node vehicle networks |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor signals in gasoline direct injection systems. IC Role / Device Role / Timing Role: Primary controller executing closed-loop fuel injection and spark timing algorithms with deterministic interrupt latency. Use Value: 10-bit ADC with hardware averaging and CAN 2.0B enable accurate sensor fusion and fast diagnostic reporting over vehicle network. | Use Scenario: Centralized management of door locks, window lifts, lighting, and HVAC fan speed in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slaves and relaying commands via CAN backbone. Use Value: Integrated 5 V regulator and AEC-Q100 qualification eliminate need for external power ICs and support extended temperature operation in cabin-mounted modules. |
| Transmission Control Unit (TCU) | Electric Power Steering (EPS) |
Use Scenario: Closed-loop control of solenoid valves and clutch pressure in 6-speed automatic transmissions. IC Role / Device Role / Timing Role: Safety-critical actuator driver with watchdog supervision and fault-tolerant PWM output stages. Use Value: ECC Flash and BDM debug interface allow safe field updates and root-cause analysis during validation and warranty repair cycles. | Use Scenario: Torque assist calculation and motor phase current regulation using hall-effect and resolver feedback. IC Role / Device Role / Timing Role: Real-time torque controller with synchronized ADC sampling and high-resolution PWM generation. Use Value: 16-bit timer with input capture and 8-channel PWM support precise motor commutation timing and current loop execution at ≤100 µs intervals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S12GN16F1VLCR | 16 KB Flash, identical peripherals and pinout; lower memory density | Suitable for simpler ECUs with smaller firmware footprints and fewer calibration tables | Select when firmware size remains under 14 KB and no future feature expansion is planned |
| S9S12G48F1VLCR | 48 KB Flash, same package and peripheral set; higher memory capacity | Required for complex applications with OTA update capability, larger lookup tables, or dual-bank firmware | Choose when future scalability, enhanced diagnostics, or ASW integration demand >32 KB executable space |
Compared with S9S12GN16F1VLCR and S9S12G48F1VLCR, the S9S12GN32F1VLCR delivers optimal balance of memory headroom, cost, and footprint for Tier-2 automotive control modules where 32 KB Flash accommodates production calibration data and basic diagnostics without over-provisioning.
Availability
S9S12GN32F1VLCR is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control units requiring stable component supply across multi-year automotive production programs.
Supply support for S9S12GN32F1VLCR 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 S12G family-including the S9S12GN32F1VLCR-is designed specifically for cost-sensitive, high-reliability automotive applications requiring AEC-Q100 qualification, functional safety readiness, and legacy S12 software compatibility.
FAQ
What is the maximum operating frequency of the S9S12GN32F1VLCR?
The S9S12GN32F1VLCR achieves a maximum system clock frequency of 25 MHz using its internal PLL. This is derived from either the internal 1 MHz RC oscillator or an external crystal (1–32 MHz) connected to XTAL/EXTAL pins. The CPU12 core executes instructions at this clock rate, enabling deterministic real-time response for automotive control loops.
Does the S9S12GN32F1VLCR include built-in Flash error correction?
Yes, the S9S12GN32F1VLCR includes ECC (Error Correction Code) protection for its entire 32 KB Flash memory array. It detects and corrects single-bit errors and detects double-bit errors in real time-critical for maintaining firmware integrity in automotive applications subject to radiation-induced soft errors over 15+ year lifetimes.
Is the S9S12GN32F1VLCR pin-compatible with other S12G family members?
Yes, the S9S12GN32F1VLCR in LQFP-48 package shares identical pinout with S9S12GN16F1VLCR, S9S12G48F1VLCR, and S9S12G64F1VLCR. This allows hardware reuse across memory variants-only Flash size and associated fuse settings differ, enabling scalable design without PCB redesign.
What debug interface does the S9S12GN32F1VLCR support?
The S9S12GN32F1VLCR supports Background Debug Mode (BDM) via the BKGD pin-a single-wire, low-pin-count interface that enables flash programming, register inspection, and breakpoint-based debugging without halting real-time operation or requiring JTAG headers.
What automotive qualification does the S9S12GN32F1VLCR meet?
The S9S12GN32F1VLCR is qualified to AEC-Q100 Grade 2, specifying reliable operation from -40°C to +105°C ambient temperature. This qualification covers stress testing for thermal cycling, humidity, ESD, and latch-up-ensuring suitability for under-hood and cabin-mounted automotive electronic control units.
S9S12GN32F1VLCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-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:
- 26
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S12GN32F1VLCR FAQ
1.How can I place an order for S9S12GN32F1VLCR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S12GN32F1VLCR 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 S9S12GN32F1VLCR reliable?
The price and inventory of S9S12GN32F1VLCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S12GN32F1VLCR is usually 5 days.
3.What payment methods are accepted for S9S12GN32F1VLCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S12GN32F1VLCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S12GN32F1VLCR?
S9S12GN32F1VLCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S12GN32F1VLCR 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 S9S12GN32F1VLCR?
For technical support, including S9S12GN32F1VLCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S12GN32F1VLCR requirements.
6.How does Aetrix verify that S9S12GN32F1VLCR is sourced from the original manufacturer or authorized distributors?
All S9S12GN32F1VLCR 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 S9S12GN32F1VLCR meets industry standards.
7.What is the process for return or replacement of S9S12GN32F1VLCR?
All S9S12GN32F1VLCR units undergo pre-shipment inspection (PSI). If there is an issue with S9S12GN32F1VLCR, 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 S9S12GN32F1VLCR part is unused and in its original packaging.
Return procedure for S9S12GN32F1VLCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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