S9S12GN16F1VLC - 16-Bit 25MHz S12G MCU 16KB Flash | NXP
MPN: S9S12GN16F1VLC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.25 | $4.25 |
| 10 | $3.32 | $33.20 |
| 80 | $2.72 | $217.60 |
| 440 | $2.66 | $1,170.40 |
| 1,250 | $2.24 | $2,800.00 |
| 2,500 | $2.13 | $5,325.00 |
S9S12GN16F1VLC Overview
A microcontroller is a programmable system-on-chip that combines a CPU core, program memory (Flash), working memory (RAM), and a rich set of analog and digital peripherals onto a single die. Within the broader semiconductor hierarchy, an MCU sits between a microprocessor (which requires external peripherals) and an ASIC (fixed-function IC). The S12G family specifically targets automotive body and chassis modules, industrial control, and consumer appliances requiring deterministic real-time performance. S12G devices use a 16-bit CISC instruction set inherited from the original Freescale HCS12 core, offering a balance between code density and processing throughput.
Key features of the S9S12GN16F1VLC include 16 KB Flash with ECC for robust code storage, 2 KB RAM for data and stack operations, a 10-bit analog-to-digital converter (ADC) for sensor interfacing, an 8-channel timer module (TIM) for PWM and capture/compare, and integrated CAN and LIN/SAE J2602 controllers. The device operates from a 3.3 V or 5 V supply and supports an industrial temperature range of -40 C to +105 C, with AEC-Q100 automotive qualification.
The S12G architecture combines a 16-bit HCS12 CPU core with a peripheral coprocessor that handles serial communication, timing, and analog acquisition, allowing deterministic interrupt response without CPU intervention. Built-in memory protection and ECC protect Flash integrity in harsh environments.
Typical applications include automotive body controllers (door modules, seat controllers), LIN/CAN nodes in vehicle networks, industrial sensor interface boards, HVAC fan controllers, and small appliance motor control. Its low pin count and integrated peripherals minimize external component count.
When designing with this device, ensure the power supply decoupling network follows the application note recommendations and that the reset pin is properly held during power-up sequencing. BDM (Background Debug Mode) is available for in-circuit programming and debugging, requiring a dedicated 6-pin connector per the HCS12 specification.
This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for S9S12GN16F1VLC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S9S12GN16F1VLC (same form factor and footprint) — differing in CPU Frequency, Core Processor, Core Size, Number of I/O, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12GN16BVLC
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12GN16F1MLC
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
S9S12GN16VLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S12GC128CPBER
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →MC9S08LH36CLK
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →S9S12GN16F1VLC Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS12 (16-bit CISC) |
| CPU Frequency | 25 MHz |
| Program Memory (Flash) | 16 KB |
| RAM | 2 KB |
| Operating Voltage | 3.3 V / 5 V |
| Operating Temperature Range | -40 C to +105 C |
| Package | 32-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Communication Interfaces | CAN, LIN/SAE J2602, SCI, SPI, I2C |
| ADC | 10-bit |
| Timer Module | 8-channel TIM (PWM/capture/compare) |
| Automotive Qualification | AEC-Q100 |
| Debug Interface | BDM (Background Debug Mode) |
| Flash ECC | Yes |
| RoHS Status | Compliant |
S9S12GN16F1VLC Pin Configuration
| Pin 1 | VDDR — Regulator voltage supply for internal logic |
| Pin 2 | VDD — Digital supply voltage |
| Pin 3 | VSS — Ground reference |
| Pin 4 | RESET — External reset input (active low) |
| Pin 5 | BKGD — Background Debug Mode pin |
| Pin 6 | MODC — Mode selection for BDM/PLL configuration |
| Pin 7 | PAD0/AN0 — GPIO / ADC analog input channel 0 |
| Pin 8 | PAD1/AN1 — GPIO / ADC analog input channel 1 |
| Pin 9 | PAD2/AN2 — GPIO / ADC analog input channel 2 |
| Pin 10 | PAD3/AN3 — GPIO / ADC analog input channel 3 |
| Pin 11 | PAD4/AN4 — GPIO / ADC analog input channel 4 |
| Pin 12 | PAD5/AN5 — GPIO / ADC analog input channel 5 |
| Pin 13 | PAD6/AN6 — GPIO / ADC analog input channel 6 |
| Pin 14 | PAD7/AN7 — GPIO / ADC analog input channel 7 |
| Pin 15 | PP0/TIOC0 — GPIO / Timer channel 0 I/O |
| Pin 16 | PP1/TIOC1 — GPIO / Timer channel 1 I/O |
| Pin 17 | PP2/TIOC2 — GPIO / Timer channel 2 I/O |
| Pin 18 | PP3/TIOC3 — GPIO / Timer channel 3 I/O |
| Pin 19 | PP4/TIOC4 — GPIO / Timer channel 4 I/O |
| Pin 20 | PP5/TIOC5 — GPIO / Timer channel 5 I/O |
| Pin 21 | PP6/TIOC6 — GPIO / Timer channel 6 I/O |
| Pin 22 | PP7/TIOC7 — GPIO / Timer channel 7 I/O |
| Pin 23 | PM0/CANRX — GPIO / CAN receive input |
| Pin 24 | PM1/CANTX — GPIO / CAN transmit output |
| Pin 25 | PM2/LINTX — GPIO / LIN transmit output |
| Pin 26 | PM3/LINRX — GPIO / LIN receive input |
| Pin 27 | PM4/SCIRX — GPIO / SCI receive input |
| Pin 28 | PM5/SCITX — GPIO / SCI transmit output |
| Pin 29 | PS0/SPSCK — GPIO / SPI clock |
| Pin 30 | PS1/MOSI — GPIO / SPI MOSI |
| Pin 31 | PS2/MISO — GPIO / SPI MISO |
| Pin 32 | PS3/SS — GPIO / SPI slave select / I2C SDA |
Typical Applications
S9S12GN16F1VLC is suitable for 6 applications: Automotive Body Control Module, LIN Sensor Node, Industrial CAN Bus Controller, HVAC Fan Controller, Small Appliance Motor Control, Automotive Lighting Controller.
Automotive Body Control Module
The S9S12GN16F1VLC fits automotive body control modules (BCMs) due to its 25 MHz HCS12 core, 16 KB Flash for application code plus CAN/LIN stack, and 2 KB RAM for runtime data structures. The integrated CAN 2.0A/B and LIN 2.1/SAE J2602 controllers connect directly to vehicle bus networks without external bridge ICs, reducing BOM. AEC-Q100 qualification and -40 C to +105 C operation support under-hood and body-mounted installations. The 32-LQFP 7x7 mm footprint enables compact PCBs suitable for door modules, seat controllers, and mirror adjusters.
Recommended
LIN Sensor Node
The S9S12GN16F1VLC is well-suited for LIN/SAE J2602 sensor nodes such as rain/light sensors, seat-occupancy detectors, and HVAC airflow modules. The LIN 2.1 controller with hardware frame handling offloads protocol processing from the CPU, while 16 KB Flash holds the LIN slave stack plus application logic. The 10-bit ADC with multiple channels directly digitizes analog sensor outputs. AEC-Q100 automotive qualification and the industrial temperature range ensure operation across vehicle environments.
Recommended
Industrial CAN Bus Controller
For industrial CAN 2.0A/B nodes such as factory automation I/O blocks, motor starters, and process sensor interfaces, the S9S12GN16F1VLC delivers 25 MHz CPU performance with deterministic interrupt response. The integrated msCAN controller with hardware acceptance filtering simplifies CANopen and DeviceNet slave implementations. Flash ECC protects program memory integrity in electrically noisy factory environments. Designers can implement basic industrial protocols in 16 KB Flash when using compact stack libraries.
Recommended
HVAC Fan Controller
The S9S12GN16F1VLC's 8-channel timer module supports multiple PWM outputs for HVAC blower speed control, damper actuators, and valve drivers. The 10-bit ADC reads thermistor and pressure sensor inputs for closed-loop control. 16 KB Flash accommodates the control algorithm plus LIN/CAN communication stacks for climate module networking. AEC-Q100 and the -40 C to +105 C range ensure reliable operation in cabin and engine-bay HVAC installations.
Recommended
Small Appliance Motor Control
In washing machine drum motors, dishwasher pumps, and refrigerator compressors, the S9S12GN16F1VLC drives BLDC or brushed DC motors using its timer/PWM channels and ADC for current sensing. The 16 KB Flash stores field-oriented control (FOC) algorithms or simple scalar control loops. The 32-LQFP compact footprint enables integration into small motor control PCBs. LIN bus connectivity allows communication with the main appliance controller.
Recommended
Automotive Lighting Controller
The S9S12GN16F1VLC controls LED headlights, tail lamps, and interior mood lighting through its PWM channels, while the LIN bus integrates with the vehicle body network. 16 KB Flash stores dimming curves, fault detection logic, and LIN diagnostics. AEC-Q100 qualification and the wide operating temperature range meet automotive environmental requirements. The 32-LQFP package fits compact lamp driver PCBs.
Recommended
Recommended Products Summary
Engineering reference data for S9S12GN16F1VLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12GN16BVLC | S9S12GN16VLC | MC9S12GC128CPBER |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP - same |
| Core Architecture | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 16 KB | 16 KB | 16 KB | 128 KB |
| RAM | 2 KB | 2 KB | 1 KB | 8 KB |
| CAN Controller | msCAN (CAN 2.0A/B) | msCAN | msCAN | msCAN |
| LIN Controller | Yes (LIN 2.1/SAE J2602) | Yes | Yes | Yes |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
Key Differentiators
- 16 KB Flash with ECC in 32-LQFP at lower cost (vs MC9S12GC128CPBER)
- True drop-in compatibility within S12G family (vs S9S12GN16BVLC)
- Integrated CAN 2.0A/B and LIN 2.1 controllers (vs MC9S08LH36CLK)
Design Notes
The S9S12GN16F1VLC has an internal voltage regulator that supplies the core logic from the external VDD supply. Place a 100 nF ceramic decoupling capacitor on each VDD pin and a 4.7 uF bulk capacitor on VDDR. For automotive applications subject to load-dump transients, add a TVS diode and series inductor on the battery input to protect the VDD pin, per the S12G datasheet automotive section.
Do not leave the RESET pin floating - it requires a 10 kohm pull-up to VDD to ensure proper operation. The MODC pin must be pulled low or high to select BDM or normal mode; floating it can cause indeterminate startup behavior. Always verify the PLL filter component values on the XFC pin match the datasheet for the chosen bus frequency.
Route the BDM signals (BKGD, MODC) to a 6-pin standard BDM header for in-circuit programming and debugging. Keep CAN/LIN differential pairs routed with controlled impedance (typically 120 ohm differential) and matched lengths. Place the external crystal or resonator close to the XTAL pins with short traces to minimize EMI. Ground the PCB reference plane directly under the LQFP thermal pad if present.
When using the ADC, add an anti-aliasing RC filter on each analog input pin to prevent out-of-band noise from folding back into the conversion result. The S12G ADC reference (VRH/VRL) pins require a 100 nF bypass capacitor. Sample sequences should allow at least 10 us of acquisition time for 10-bit accurate conversions at the maximum ADC clock rate.
Compliance Information
AEC-Q100 qualified per NXP product page. RoHS compliance confirmed. Halogen-free status not explicitly stated in the verified web data.